Mixed crop-livestock systems in semiarid regions

Dryland Agriculture

Volumn 23, Issue , 2015, Pages 227-291

  Schiere, Hans J B ^a   Baumhardt, R Louis ^b   Van Keulen, Herman ^c   Whitbread, Anthony M ^d   Bruinsma, Anne S ^a   Goodchild, Tony A V ^e   Gregorini, Pablo ^f   Slingerland, Maja M A ^c   Hartwell, Birgitte ^g,h  

^a La Ventana ASA and D   (Netherlands)

^b Conservation and Production Research Laboratory ^*  (United States)

^c WAGENINGEN UNIVERSITY   (Netherlands)

^d CSIRO   (Australia)

^e Universidad Nacional de La Plata ^*  (United Kingdom)

^f FACULTAD DE CIENCIAS AGRARIAS Y FORESTALES   (Argentina)

^g INTERNATIONAL CENTER FOR AGRICULTURAL RESEARCH IN THE DRY AREAS ICARDA   (Syrian Arab Republic)

^h UNIVERSITY OF COPENHAGEN   (Denmark)

Author keywords

Crop farming; Dry region; Mixed crop system; Mixed farming mixed blessing; Semiarid region

Indexed keywords

EID: 85087783243     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.2134/agronmonogr23.2ed.c8     Document Type: Chapter

References (192)

1. Ackoff, R.L. 1999. Disciplines, the two cultures and the scianities. Syst. Res. Behav. Sci. 16:533-537.
2. Alberda, Th., H. van Keulen, N.G. Seligman, and C.T. de Wit (ed.) 1992. Food from dry lands. An integrated approach to planning of agricultural development. Systems Approaches for Sustainable Agricultural Development. Vol. I. Kluwer Academic Publ., Dordrecht, The Netherlands.
3. Allen, R.R., and C.R. Fenster. 1986. Stubble-mulch equipment for soil and water conservation in the Great Plains. J. Soil Water Conserv. 41:11-16.
4. Altieri, M.A. 2002. Agro-ecology: The science of natural resource management for poor farmers in marginal environments. Agric. Ecosyst. Environ. 1971:1-24.
5. Annamuhamedov, O., H. Khanchaev, J. Aitmammedov, M. Bounejmate, and B.E. Norton. 2002. Use of drainage water to produce cultivated forages. Dryland Pasture, Forage and Range Network Newsl. Issue 21, Jan. 2002. ICARDA, Aleppo, Syria.
6. Arthur, W.B. 1990. Positive feedbacks in the economy. Sci. Am. 262:92-99.
7. Ashby, W.R. 1958. Requisite variety and its implications for the control of complex systems. Cyber-netica 1:83-99.
8. Bahhady, F., E.F. Thomson, and M. Boulad. 1997. Red meat production, marketing and trade in Syria. p. 89-100. In T. Belhadj et al. (ed.) Filiere des viandes rouges dans les pays mediterraneen. Red meat industry in the Mediterranean countries: CIHEAM-IAMZ (Options Mediterraneennes: Serie A. Seminaires Mediterraneens, no. 35). Seminaire Int. sur la Filiere des Viandes Rouges dans les Pays Mediterraneens, Zaragoza.
9. Baumhardt, R.L. 2003. The Dust Bowl Era. p. 187-191. In B.A. Stewart and T.A. Howell (ed.) Encyclopedia of water science. Marcel-Dekker, New York.
10. Baumhardt, R.L., and R. Anderson. 2006. Crop choices and rotation principles. p. 113-140. In G. Peterson et al. (ed.) Dryland agriculture. 2nd ed. Agron. Monogr. 23. ASA, CSSA, and SSSA, Madison, WI.
11. Baumhardt, R.L., and R.J. Lascano. 1999. Water budget and yield of dryland cotton intercropped with terminated winter wheat. Agron. J. 91:922-927.
12. Baumhardt, R.L., and J. Salinas-Garcia. 2006. Dryland agriculture in Mexico and the U.S. southern Great Plains. p. 341-364. In G. Peterson et al. (ed.) Dryland agriculture. 2nd ed. Agron. Monogr. 23. ASA, CSSA, and SSSA, Madison, WI.
13. Baumhardt, R.L., P.W. Unger, and B.A. Stewart. 2000. Long-term dryland grain sorghum and winter wheat production using stubble-mulch and no-tillage residue management. p. 199-209. In Niu Dun (ed.) Mechanized dryland and water-saving farming for the 21st century. Proc. China Int. Conf. On Dryland and Water-saving Farming, Beijing, China. 21-23 Nov. 2000. China Agric. Univ. Press, Beijing.
14. Behnke, R.H., I. Scoones, and C. Kerven (ed.) 1995. Range ecology at disequilibrium, new models of natural variability and pastoral adaptation in African savannahs. (ISBE 0 85003 195 8.) Overseas Develop. Inst., Int. Inst. for Environment and Develop. Commonwealth Secretariat, London.
15. Belloti, W.D. 2001. The role of forages in sustainable cropping systems of Southern Australia. p. 729-734. In J.A. gomide et al. (ed.) Proc. of the 19th Int. Grassland Congr., Sao Pedro, Sao Paulo, Brazil. Fundacao de Estudos Agrários Luiz de Queiroz, Piracicaba, SP.
16. Boserup, E. 1965. The conditions of agricultural growth, the economics of agrarian change under population pressure. George Allen & Unwin, London.
17. Bosma, R., M. Bos, S. Kante, K. Kebe, and W. Quak. 1999. The promising impact of ley introduction and herd expansion on soil organic matter content in southern Mali. Agric. Syst. 91:1-15.
18. Breman, H. 1990. Integrating crops and livestock in southern Mali: Rural development or environmental degradation? p. 277-294. In R. Rabbinge et al. (ed.) Theoretical production ecology: Reflections and prospects. Simulation Monogr. 34. Pudoc, Wageningen, The Netherlands.
19. Breman, H., and C.T. De Wit. 1983. Rangeland productivity and exploitation in the Sahel. Science (Washington, DC) 221(4618):1341-1347.
20. Brennan, L., M. Robertson, N. Dalgliesh, S. Brown, B. Keating, J. Ive, and C. Smith. 2004. Mosaic farming feasibility. A report of the Heartlands Initiative. Publ. HL11-04. CSIRO and Murray-Darling Basin Commission, Canberra, Australia.
21. Bromley, D. (ed.) 1992, Making the Commons work: Theory, practice and policy. ICS Press, San Francisco, CA.
22. Campbell, C.A. 1996. Land literacy in Australia; Landcare and other new approaches to inquiry and learning for sustainability. p. 169-184. In A. Budelman (ed.) Agricultural R&D at the crossroads: Merging systems research and social actor approach. Royal Tropical Inst., Amsterdam.
23. Carter, E.D., E.C. Wolfe, and C.M. Francis. 1982. p. 68-82. In Proc. of the 2nd Australian Agron. Conf., Wagga Wagga. The Australian Soc. of Agron., Carlton, Victoria.
24. Chambers, R.A., and G. Conway. 1992. Sustainable rural livelihoods: Practical concepts for the 21st century. Discussion paper 296. Inst. of Develop. Studies, Brighton, UK.
25. Chapman, A.L., J.D. Sturtz, A.L. Cogle, W.S. Mollah, and R.J. Bateman. 1996. Farming systems in the Australian semi-arid tropics-A recent history. Aust. J. Exp. Agric. 36:915-928.
26. Checkland, P.B. 1999. Systems thinking, systems practice, including a 30-year retrospective. John Wiley & Sons, Chichester.
27. Checkland, P.B., and J. Scholes. 1990. Soft systems methodology in action. John Wiley & Sons, Chichester.
28. Cocks, P.S. 1985. Integration of cereal/livestock production in the farming systems of North Syria. Int. Centre for Agric. Res. in the Dry Areas, Aleppo, Syria.
29. Conway, G.R. 1987. The properties of agro-ecosystems. Agric. Syst. 24:95-117.
30. Cooke, M.L., H.H. Bennett, F.H. Fowler, F.C. Harrington, R.C. Moore, J.C. Page, H.A. Wallace, and R.G. Tugwell. 1936 Report of the Great Plains Drought Area Committee, Hopkins Papers. Franklin D. Roosevelt Library. Available at http://newdeal.feri.org/texts/450.htm (verified Apr. 2004).
31. Coppock, D.L., J.E. Ellis, and D.M. Swift. 1986. Livestock feeding ecology and resource utilization in a nomadic pastoral ecosystem. J. Appl. Ecol. 23:573-583.
32. Council for Aricultural Science and Technology. 1999. Animal agriculture and global food supply. Task Force Rep.135. CAST, Ames, IA.
33. Cox, T.S., C. Picone, and W. Jackson. 2004. Research priorities in natural systems agriculture. p. 511-531. In D. Clements and A. Shrestha (ed.) New dimensions in agroecology. Food Products Press and Haworth Press, Binghamton, NY.
34. Crotty, R. 1980. Cattle, economics and development. Commonwealth Agric. Bureaux, Farnham Royal, Slough, UK.
35. De Haan, S. 1977. Humus, its formation, its relation with the mineral part of the soil and it significance for soil productivity. p. 21-30. In Soil organic matter studies. Vol. I. Int. Atomic Energy Agency, Vienna.
36. De Haan, C., H. Steinfeld, and H. Blackburn. 1997. Livestock and the environment: Finding a balance. WREN media, Fressingfield, Eye, Suffolk, UK. FAO, Rome, the U.S. Agency for Int. Develop. and the World Bank, Washington, DC.
37. Delgado, C., M. Rosegrant, H. Steinfeld, S. Ehui, and C. Courbois. 1999. Livestock to 2020: The next food revolution. Outlook Agric. 30:27-29.
38. De Ridder, N., and H. Van Keulen. 1990. Some aspects of the role of organic matter in sustainable intensified arable farming systems in the West-African semi-arid-tropics (SAT). Fert. Res. 26:299-310.
39. Devendra, C., and C. Sevilla (ed.) 1995. Crop-animal interaction. IRRI Discussion Paper Ser. no. 6. Int. Rice Res. Inst., Manilla, Phillipines.
40. Donald, C.M. 1981. Competitive plants, communal plants, and yield in wheat crops. p. 223-247. In L.T. Evans and W.J. Peacock (ed.) Wheat science-Today and tomorrow. Cambridge Univ. Press, Cambridge.
41. Doughton, J.A., M.J. Conway, V.A. Osten, K.J. McCosker, M. McCosker, G.B. Spackman, B.C. Pengelly, S.R. Buck, T.M. Lever, G.A. Lambert, and R.M. Kelly. 2001. The impact of a farming systems approach on adoption of Butterfly Pea in Central Queensland. In B. Rowe et al. (ed.) Proc. of the 10th Australian Agron. Conf., Hobart, Tas. Available at http://www.regional.org.au/au/asa/2001 (verified 23 Jan. 2006).
42. Dregne, H.E., and W.O. Willis (ed.) 1983. Dryland agricuture. ASA, CSSA, and SSSA, Madison, WI.
43. Durning, A.B., and H.B. Brough. 1991. Taking stock: Animal farming and the environment. World Watch Paper 103. World Watch Inst., Washington, DC.
44. Editorial Board of Rangeland Resources of China. 1997. Rangeland resources in China. China Agric. Press, Beijing.
45. Elenbaas, P.F.M. 1994. Field and lab work on ecology in Zimbabwe. Centre for Development Coop. Serv., Vrije Univ., Amsterdam.
46. Enyong, L.A., S.K. Debrah, and A. Bationo. 1999. Farmer's perceptions and attitudes towards introduced soil-fertility enhancing technologies in western Africa. Nutr. Cycl. Agroecosyst. 53:177-187.
47. Faye, A., and S.T. Fall. 1999. La production de viande en Afrique subsaharienne: Note introductive. p. 5-18. In S.T. Fall and A. Faye (ed.) Production intensive de viande en Africque subsagerrienne. Acte d'un seminair-Atelier tenu a Saly Portudal Mbour, Senegal. 13-17 Mar. 1995. Direction des recherches sur la Sante et les Productions Animales; Lab. Natl. d'elevage et de Recherches Veterinaires, BP 2057 Dakar-Hann, Senegal.
48. Feldstein, H., and S. Poats. 1989. Working together; gender analysis in farming systems research. Kumarian Press, CT.
49. Feng, Y.L., and Z.Y. Zhang. 2001. The nutritive values and rational utilization of low-quality roughages. J. Anim. Husbandry China 37(6):3-5.
50. Fresco, L.O., and S.B. Kroonenberg. 1992. Time and spatial scales in ecological sustainability. Land Use Policy 9:155-168.
51. Funes, F., L. Garcia, M. Bourque, N. Perez, and P. Rosset. 2001. Sustainable agriculture and resistance. Transforming food production in Cuba (from the Spanish). Inst. for Food and Develop. Policy, Assoc. Cubana de Technicos Agricolas y Forestales, and Centro de Estudios de Agric. Sostenible. LPC Group, Milford, CT.
52. Fussel, L.K. 1992. Semi-arid and grazing systems of West Africa. Ch. 21. In C.J. Pearson (ed.) Ecosystems of the world, field crop ecosystems. Elsevier, New York.
53. Garbrecht, J.D., and J.M. Schneider. 2000. Precipitation variations in Central Oklahoma and in the Great Plains. p. 11-14. In USDA/ARC, 2000. Reports of Research on Climate and Natural Resources. Grazinglands Res. Lab., El Reno, OK.
54. Garcia, R.V. 1981. Drought and man, the 1972 case history. Vol. 1. Nature pleads not guilty. Pergamon Press, New York.
55. Giampietro, M. 1997. Socioeconomic constraints to farming with biodiversity. Agric. Ecosyst. Environ. 62:145-167.
56. Giller, K.E. 2000. Translating science into action for agricultural development in the tropics: An example from decomposition studies. Appl. Soil Ecol. 14:1-3.
57. Giller, K., E. Rowe, N. De Ridder, and H. Van Keulen. 2006. Resource use dynamics and interactions in the tropics: Scaling up in space and time. Agric. Syst. (in press).
58. Gleick, J. 1987. Chaos, making a new science. Viking Penguin, New York.
59. Gray, L.C., J.B. Bennett, E. Kraemer, and W.N. Sparhawk. 1938. The causes: Traditional attitudes and institutions. p. 111-136. In G. Hambridge (ed.) Soils and men. USDA Yearbook of agriculture. U.S. Gov. Print. Office, Washington, DC.
60. Greb, B.W., D.E. Smika, and J.R. Welsh. 1979. Technology and wheat yields in the Central Great Plains: Experiment station advances. J. Soil Water Conserv. 34:264-268.
61. Gunderson, L.H., and C.S. Holling. 2002. Panarchy, understanding transformation in human and natural systems. Island Press, Washington.
62. Habtemariam Kassa, B. 2003. Livestock and livelihood security in the Harar Highlands of thiopia; implications for research and development. Ph.D. thesis. Acta Agraria 388, Swedish Univ. of Agric. Sci., Uppsala.
63. Haddad, N. 1997. Improvement of crop-livestock integration systems in West Asia and North Africa. In N. Haddad et al. (ed.). Improvement of crop-livestock integration systems in West Asia and North Africa. Proc. of the Regional Symp. on Integrated Crop-Livestock Systems in West Asia and North Africa, Amman, Jordan. 6-8 Nov. 1995. ICARDA, Aleppo, Syria.
64. Hamadeh, S.K., F. Shomo, T. Nordblom, A. Goodchild, and G. Gintzburger. 1996. Small ruminant production in Lebanon's Bekaa Valley. Small Ruminant Res. 21:173-180.
65. Hardin, G. 1968. The tragedy of the commons. Science (Washington, DC) 162:1243-1248.
66. Harris, F. 1996, Intensification of agriculture in semi-arid areas: Lessons from the Kano close-settled zone, Nigeria. Gatekeeper Ser., no. 59. Int. Inst. for Environ. and Develop., London.
67. Hartwell, B.W., and L. Iniguez. 2004. Awassi lamb fattening production systems in Syria. In Y. Van der Honing (ed.) Book of Abstracts of the 55th Annual Meet. of the European Assoc. for Animal Production, Bled, Slovenia. 5-9 Sept. 2004. Wageningen Academic Publ., The Netherlands. p. 239.
68. Hatch, M.D., and C.R. Slack. 1970. Photosynthetic CÛ2-fixation pathways. Annu. Rev. Plant Physiol. 21:141-162.
69. Heitschmidt, R.K., L.T. Vermeire, and E.E. Grings. 2004. Is rangeland agriculture sustainable? J. Anim. Sci. 82 (E Suppl):E138-146.
70. Ho, P. 2000. China's rangelands under stress: A comparative study of pasture commons in the Ningxia Hui Autonomous Region. Develop. Change 31(2):385-412.
71. Ho, P. 2001. 2001 Rangeland degradation in North China revisited? A preliminary statistical analysis to validate non-equilibrium range ecology. J. Develop. Studies 37(3):99-132.
72. Ho, Y.W., and Y.K. Chan (ed.) 1998. Proceedings of the regional workshop on area-wide integration of crop-livestock activities, Bangkok. 18-20 June1998. RAP Publ. 1998/19. FAÛ Regional Ûf-fice for Asia and the Pacific, Bangkok, Thailand.
73. Hochman, Z., G.J. Ûsbourne, P.A. Taylor, and B. Cullis. 1990. Factors contributing to reduced productivity of subterranean clover (Trifolium subterraneum L.) pastures on acidic soils. Aust. J. Agric. Res. 41:669-682.
74. Hodgson, G.M. 1996. Economics and evolution; bringing lifebackinto economics. Univ. ofMichigan Press, Ann Arbor.
75. Hoffland, E., G.R. Findenegg, and A.J. Nelemans. 1989. Solubilisation of rock phosphate by rape. II. Local root exudation of organic acids as a response to P-starvation. Plant Soil 113:161-165.
76. Holling, C.S. 1973. Resilience and stability of ecological systems. Annu. Rev. Ecol. Syst. 4:1-23.
77. Hurt, R.D. 1981. The Dust Bowl, An agricultural and social history. Nelson-Hall, Chicago, IL.
78. Hussein, K., J. Sumberg, and D. Seddon. 1999. Increasing violent conflict between herders and farmers in Africa. Develop. Policy Rev. 17(4):397-418.
79. International Center for Agricultural Research in the Dry Areas. 2002. ICARDA in Central Asia and the Caucasus. Ties that Bind, No. 12 (revised). ICARDA, Aleppo, Syria.
80. International Center for Agricultural Research in the Dry Areas. 2003. ICARDA Annual Report 2002. Aleppo, Syria.
81. International Center for Agricultural Research in the Dry Areas. 2005. Sustainable agricultural development for marginal dry areas. Khanasser Valley Integrated Research Site. p. 38-39. ICARDA/BMZ/Bonn Univ./AECS. Workshop on Sustainable Agricultural Development for Marginal Dry Areas, ICARDA, Aleppo. 12-13 Jan. 2005. ICARDA, Aleppo, Syria.
82. International Livestock Research Institute. 2000. ILRI strategy to 2010. Making the livestock revolution work for the poor. ILRI, Nairobi.
83. Ison, R.L., and D.B. Russell. 1999. Agricultural extension and rural development: Breaking out of traditions. A second-order systems perspective. Cambridge Univ. Press, Cambridge, UK.
84. Jackson, W., and L.L. Jackson. 1999. Developing high seed yielding perennial polycultures as a mimic of mid-grass prarie. p. 1-37. In E.C. Lefroy et al. (ed.) 1999. Agriculture as a mimic of natural ecosystems. Kluwer Academic Publ., Dordrecht, The Netherlands.
85. Jahnke, H.E. 1982. Livestock production systems and livestock development in tropical Africa. Kieler Wissenschaftsverlag Vauk, Kiel, Germany.
86. Johnson, W.C., and R.G. Davis. 1972. Research on stubble-mulch farming of winter wheat. USDA Conserv. Res. Rep. 16. U.S. Gov. Print. Ûffice, Washington, DC.
87. Jones, Û.R., and T.W. Popham. 1997. Cropping and tillage systems for dryland grain production in the Southern High Plains. Agron. J. 89:222-232.
88. Jones, R.J., and R.L. Sandland. 1974. The relation between animal gain and stocking rate. J. Agric. Sci. 83:335-342.
89. Jorgensen. 2002. Integration of ecosystem theories: A pattern. 3rd ed. Kluwer, Dordrecht, The Netherlands.
90. Kang, B.T., L. Reynolds, and R.N. Atta-Krah. 1990. Alley farming. Adv. Agron. 43:315-359.
91. Kersten, S., and R. Ison. 1994. Diversity in yearly calendars on pastoral properties in western New South Wales: A constructivist perspective. Rangeland J. 16(2):206-220.
92. Kiran Singh and J.B. Schiere (ed.) 1995. Handbook for straw feeding systems: Principles and applications with emphasis on Indian livestock production. Dep. of Animal Production Systems, Wageningen, The Netherlands.
93. Klir, G.J. 1991. Facets of systems science. Int. Foundation for System Res. Int. Ser. of System Sci. and Eng. Vol. 15. 2nd ed. Ûctober 2001. Plenum Press, New York.
94. Krall, J., R. Delaney, A. Haag, L. Held, and D. Claypool. 2002. Austrian winter peas for dryland grazing with lambs. B-1128. Univ. of Wyoming Coop. Ext. Serv., Laramie.
95. Lantinga, E.A., G.J.M. Oomen, and J.B. Schiere. 2004. Nitrogen efficiency in mixed farming systems. Co-published in J. Crop Improvement 12, no.1/2, #23/24:437-455 and New Dimensions in AgroEcol. David Clements and Anil Shrestha (ed.) Food Products Press and Haworth Press, Binghamton, NY.
96. La Rovere, R., P. Hiernaux, H. Van Keulen, J.B. Schiere, and J.A. Szonyi. 2005. Co-evolutionary scenarios of intensification and privatization of resource use in rural communities of southwestern Niger. Agric. Syst. 83 (3):251-276.
97. Leach, M., R. Mearns, and I. Scoones. 1999. Environmental entitlements: Dynamics and institutions in community-based natural resource management. World Develop. 27(2):225-247.
98. Lefroy, E.C., R.J. Hobbs, M.H. O'Connor, and J.S. Pate. 1999. Agriculture as a mimic of natural ecosystems. Kluwer Academic, Boston, MA.
99. Loomis, R.S., and D.J. Connor. 1992. Crop ecology: Production and management in agricultural systems. Cambridge Univ. Press, Cambridge.
100. Lopez-Bellido, L. 1992. Mediterranean cropping systems. Ch. 14. In C.J. Pearson (ed.) Ecosystems of the world, field crop ecosystems. Elsevier, New York.
101. Lujan, L. and S. Zapata Blanca. 2001. A panoramic vision of eight centuries Dehesa (in Spanish). In F. Pulido et al. (ed.) La gestion forestal de las dehesas, Capítulo II. Junta de Extremadura; Inst. del Corcho la Madera y el Carbon Vegetal, Merida.
102. Mandelbrot, B.B. 2000. The fractal geometry of nature, updated and augmented. W.H. Freeman and Cy., New York.
103. Marcussen, H.S. 1999. Environmental paradigms, knowledge systems and policy. The case of Burkina Faso. Geogr. Tidsskr. Danish J. Geogr. Special Issue 2:93-103.
104. McCown, R.L.. 1996. Being realistic about no-tillage, legume ley farming for the Australian semiarid tropics. Aust. J. Exp. Agric. 36:1069-1080.
105. McCown, R.L., A.L. Cogle, A.P. Ockwell, and T.G. Reeves. (1987). Nitrogen supply to cereals in legume ley systems under pressure. p. 292-314. In J.R. Wilson (ed.) Advances in nitrogen cycling in agricultural ecosystems. CAB Int., Wallingford, Oxon, UK.
106. McLennan, W. 1996. Australian agriculture and the environment. Australian Bureau of Statistics. Catologue no. 4606.0. Australian Gov. Publ. Serv., Canberra.
107. Metral, F. 2000. Managing risk: Sheep-rearing and agriculture in the Syrian Steppe. p. 123-144. In M. Mundy and B. Musallam (ed.) The transformation of Nomadic Society in the Arab East. Cambridge Univ. Press, Cambridge.
108. Moll, H.A.J. 2005. Costs and benefits of livestock systems and the role of market and non-market relationships. Agric. Econ. 32(2):181-193.
109. Monteith, J.L. 1978. Reassessment of maximum growth rates for C3 and C4 crops. Exp. Agric. 14:1-5.
110. Morrison, D.A., R.S. Kingwell, D.J. Pannell, and M.A. Ewing. 1987. A mathematical programming model of a crop-livestock farm system. Agric. Syst. 20:243-268.
111. Murgueito, R.E. 2002. Integrated systems: The experiences from CIPAV in Comobia. LEISA (magazine on Low External Input and Sustainable Systems) 18 (1):14-16.
112. National Research Council. 1989. Alternative agriculture. Natl. Academy Press, Washington, DC.
113. Nell, A.J. (ed.) 1998. Livestock and the environment. In Proc. of the Int. Conf. on Livestock and the environment, Ede-Wageningen. 16-20 June1997. Organized by the World Bank and the FAO. Int. Agric. Centre, Wageningen, The Netherlands.
114. Nitis, I.M. 1995. Research methodology for semi-arid crop-animal systems in Indonesia. p. 301-318. In C. Devendra and C. Sevilla (ed.) Crop-animal interaction. IRRI discussion paper Ser. no. 6. Int. Rice Res. Inst., Manilla, Phillipines.
115. Nordblom, T.L. 1983. Livestock-crop interactions. The decision to harvest or to graze mature grain crops. Farming Systems Program, Discussion Paper no.10. ICARDA, Aleppo, Syria.
116. Noy-Meir, I., and N.G. Seligman. 1979. Management of semi-arid ecosystems in Israel. p. 113-160. In B.H. Walker (ed.) Management of semi-arid ecosystems. Elsevier, The Netherlands.
117. Nygaard, D.F., and P. Amir. 1988. Research strategies for development: Improving sheep and goat production in developing countries. p. 37-50. In E.F. Thomson et al. (ed.) Increasing small ruminant productivity in semi-arid areas, ICARDA, Alleppo, Syria. 30 November-3 December. Kluwer Academic Publ., Dordrecht, The Netherlands.
118. Odum, E.P. 1975. Diversity as a function of energy flow. p. 11-14. In W.H. Van Dobben and R.H. Lowe-McConnell (ed.) Unifying concepts in ecology. Report of the plenary sessions of the 1st international congress of ecology, The Hague, The Netherlands. 8-14 Sept. 1974. Dr. W. Junk B.V. Publ., The Hague, PUDOC, Wageningen, The Netherlands.
119. Odum, H.T. 1971. Environment, power, and society. Wiley Interscience, New York.
120. Ohlsson, E.L. 1999. Agroforestry for improved nutrient cycling on small farms in western Kenya. Doctoral thesis. Swedish Univ. of Agric. Sci., Uppsala.
121. Owen, E., and M.C.N. Jayasuriya. 1989. Use of crop residues as animal feeds in developing countries-A review. Res. Develop. Agric. 6:129-138.
122. Palm, C.E., C.N. Gachengo, R.J. Delve, G. Cadisch and K.E. Giller. 2001b. Organic inputs for soil fertility management in tropical agroecosystems: Application of an organic resource database. Agric. Ecosyst. Environ. 83: 27-42.
123. Palm, C.E., K.E. Giller, P.L. Mafongoya, and M.J. Swift, 2001a. Management of organic matter in the tropics: Translating theory into practice. Nutrient Cycl. Agroecosyst. 61: 63-75.
124. Parker, D., and R. Stacey. 1994. Chaos, management and economics: The implications of non-linear thinking. Hobart paper 125. The Inst. of Economic Affairs, London.
125. Patil, B.R., D.V. Rangnekar, and J.B. Schiere. 1993. Modelling of crop livestock integration: Effect of choice of animals on cropping pattern. p. 336-343. In Feeding of ruminants on fibrous crop residues. Proc. of a workshop at the National Dairy Res. Inst., Karnal, India. 4-8 Feb.1991. Indian Council of Agric. Res., New Delhi.
126. Payne, W.A., P.E. Rasmussen, C. Chen, and R.E. Ramig. 2001. Assessing simple wheat and pea models using data from a long-term tillage experiment. Agron. J. 93:250-260.
127. Pearson, C.J. (ed.) 1992. Ecosystems of the world, field crop ecosystems. Elsevier, New York.
128. Perry, M.W. 1992. Cereal and fallow/pasture systems in Australia. Ch. 20. In C.J. Pearson (ed.) Ecosystems of the world, field crop ecosystems. Elsevier, New York.
129. Pimm, S.L. 1997. In search of perennial solutions. Nature (London) 39:126-127.
130. Powell, J.M., S. Fernandez-Rivera, T.O. Williams, and C. Renard (ed.). 1995. Livestock and sustainable nutrient cycling in mixed farming systems of sub-Saharan Africa. Vol. II. Technical papers. Proc. of an Int. Conf., Addis Ababa, Ethiopia. 22-26 Nov. 1993. Int. Livestock Center for Africa, Addis Ababa, Ethiopia.
131. Powell, J.M., R.A. Pearson, and P.H. Hiernaux. 2004. Crop-livestock interactions in the West African drylands. Agron. J. 96:469-483.
132. Powell, J.M., F.N. Ikpe, Z.C. Somda, and S. Fernandez-Rivera. 1998. Urine effects on soil chemical properties and impact of dung and urine on pearl millet yield. Exp. Agric. 34:259-276.
133. Price, B.B., and F.W. Rathjen. 1986. The golden spread: An illustrated history of Amarillo and the Texas Panhandle. Windsor Publ., Northridge, CA.
134. Prigogine, I., and I. Stengers. 1985. Order out of chaos: Man's new dialogue with nature. Flamingo, London.
135. Puckridge, D.W., and R.J. French. 1983. The annual legume pasture in cereal-ley farming systems of southern Australia: A review. Agric. Ecosyst. Environ. 9:229-267.
136. Rasmussen, K. 1999. Land degradation in the Sahel-Sudan: The conceptual basis. Geogr. Tidsskr., Danish J. Geogr. Special Issue 2:151-159.
137. Rickert, K.G. 2004. Emerging challenges for farming systems-Lessons from Australian and Dutch agriculture. Publ. 03/053. Rural Industries Res. and Develop. Corp., Kingston Act.
138. Ridley, A.M., P.J. Haines, K.F. Wilson, and A. Ellington. 1998. Phase farming using lucerne in crop rotations. p. 803-806. In D.L. Michalk and J.E. Pratley (ed.) Proc. of the 9th Australian Agron. Conf., Wagga Wagga. Available at http://www.regional.org.au/au/asa/1998/ (verified 23 Jan. 2006).
139. Roberts, K., and J. Coutts. 1997. A broader approach to common resource management: Landcare and integrated catchment management in Queensland, Australia. ODI Agric. Res. and Extension Network, Network Paper no 70. Overseas Dev. Inst., London.
140. Robson, A.D. 1990. The role of self-regenerating pasture in rotation with cereals in mediterranean areas. p. 217-236. In E.A. Osman (ed.) The role of legumes in farming systems of the Mediterranean areas. Kluwer, Dordrecht, The Netherlands.
141. Roling, N. 1994. Platforms for decision making about ecosystems. Ch. 24. In L.O. Fresco et al. (ed.) The future of the land: Mobilizing and integrating knowledge for land use options. Wiley, London.
142. Roose, E., and B. Barthes. 2001. Organic matter management for soil conservation and productivity restoration in Africa: A contribution from Francophone research. Nutr. Cycl. Agroecosyst. 61:159-170.
143. Rowland, J.R.J.(ed.) 1993. Dryland farming in Africa. MacMillan and CTA.
144. Ruthenberg, H. 1980. Farming systems in the tropics. 3rd ed. Clarendon Press, Oxford, UK.
145. Sanchez, P.A. 1976. Properties and management of soils in the tropics. John Wiley & Sons, New York.
146. Savory, A., and J. Butterfield. 1999. Holistic management, a new framework for decision making. Island Press, Washington, DC.
147. Scheffer, M., S. Carpenter, J.A. Foley, C. Folke, and B. Walker. 2001. Catastrophic shifts in ecosystems. Nature (London) 413:591-596.
148. Schiere, J.B., and J. De Wit. 1995. Livestock and farming systems research. II: Development and classifications. P. 40-61. In J.B. Schiere (ed.) Cattle straw and system control, a study of straw feeding systems. Ph.D. thesis. Wageningen, The Netherlands.
149. Schiere, J.B., J. De Wit, F.A. Steenstra, and H. Van Keulen. 1999. Design of farming systems for low input conditions: Principles and implications based on scenario studies with feed allocation in livestock production. Neth. J. Agric. Sci. 47(2):169-183.
150. Schiere, J.B., R. Groenland, A. Vlug, and H. Van Keulen. 2004a System thinking in agriculture: An overview. p. 57-86 In K. Rickert (ed.) Emerging challenges for farming systems-Lessons from Australian and Dutch agriculture. Publ. 03/053. Rural Industries Res. and Dev. Corp., Kingston Act.
151. Schiere, J.B., M.N.M. Ibrahim, and H. Van Keulen. 2002. The role of livestock for sustainability in mixed farming: Criteria and scenario studies under varying resource allocation. Agric. Ecosyst. Environ. 90:139-153.
152. Schiere, J.B., A.L. Joshi, A. Seetharam, S.J. Oosting, A.V. Goodchild, B. Deinum, and H. Van Keulen. 2004b. Grain and straw for whole crop value: Implications for crop management and genetic improvement strategies, a review paper. Exp. Agric. 40:277-294.
153. Schiere, J.B., and L. Kater. 2001. Mixed crop-livestock farming. A review of traditional technologies. An FAO report based on literature and field experiences. FAO (AGAH)/La Ventana, Rome.
154. Schiere, J.B., and A.J. Nell. 1993. Feeding of urea treated straw. A review of its technical principles and economics. Anim. Feed Sci. Technol. 43:135-147.
155. Schlecht, E., and A. Buerkert. 2004. Organic inputs on millet fields in western Niger: The implications of farmers' practices for sustainable agricultural production. Geoderma 121:271-289.
156. Schlecht, E., and P. Hiernaux. 2004. Beyond adding up inputs and outputs: Process assessment and upscaling in modelling nutrient flows. Nutr. Cycl. Agroecosyst. 70:303-319.
157. Schlegel, A.J., and J.L. Havlin. 1997. Green fallow for the central Great Plains. Agron. J. 89:762-767.
158. Sere, C., and H. Steinfeld. 1996. World livestock production systems: Current status, issues and trends. Food and Agriculture Organization Animal Production and Health Paper 127. FAO, Rome.
159. Sinclair, M., and M. Thompson. 2001. Cuba, going against the grain; agricultural crisis and transformation. An Oxfam America report. Oxfam Am., Boston.
160. Sissoko, K. 1998. Et demain l'agriculture? Options techniques et mesures politiques pour un devel-oppement durable en Africque subsaharenienne. Cas du cercle de Koutiala en zone sud du Mali. Ph.D. thesis. Wageningen, The Netherlands.
161. Slingerland, M.A. 2000. Mixed farming: Scope and constraints in West African Savanna. Ph.D. thesis. Wageningen, The Netherlands.
162. Slingerland, M.A. 2001. Crops and livestock: Living apart together. p. 115-128. In E. Tielkes et al. (ed.) Elevage et gestion de parcours au sahel, implications pour le developpement. Verlag Ulrich E. Grauer, Beuren, Stuttgart, Germany.
163. Spedding, C.R.W. 1979. An introduction to agricultural systems. Elsevier Appl. Sci. Publ., London. Spedding, C.R.W. 1979. An introduction to agricultural systems. Elsevier Appl. Sci. Publ., London. Staniforth, A.R. 1982. Straw for fuel, feed and fertilizer. Farming Press, Ipswich, Suffolk, UK. Stewart, B.A. 2003. Aquifers, Ogallala. p. 43-44. In B.A. Stewart and T.A. Howell (ed.) Encyclopedia of water science. Marcel-Dekker, New York.
164. Stobbs, T.H. 1962. The design, working and profitability of small stall feeding units for cattle in Uganda. East Afr. Agric. For. J. 27:260-263.
165. Street, K., M. Bounejmate, M. Makhmudov, R. Haitbaev, and A. Rebio. 2002. Preserving Central Asian desert native range plants. Dryland Pasture, Forage and Range Network News. Issue 21. ICARDA, Aleppo, Syria.
166. Suleimanov, M. 2000. 2000. Central Asian farmers benefit from West Asia visit. ICARDA Caravan 13:35-38.
167. Sumberg, J. 1998. Mixed farming in Africa: The search for order, the search for sustainability. Land Use Policy 15 (4):293-317.
168. Sundstol, F., and E. Owen. 1984. Straw and other fibrous by-products as feed. Developments in Animal and Veterinary Sciences 14. Elsevier Sci. Publ., Amsterdam.
169. Swallow, B. 1994. The role of mobility within the risk management strategies of pastoralists and agro-pastoralists. Gatekeeper Ser. 47. Int. Inst. for Environ. and Develop., London.
170. Thelin, G.P., and R.J. Pike. 1991. Landforms of the conterminous United States-A digital shaded-relief portrayal. Misc. Investigations Ser. Map I-2206. U.S. Dep. of Interior, U.S. Geol. Surv., Denver, CO.
171. Thomson, E.F. 1987, Feeding systems and sheep husbandry in the Barley Belt of Syria. ICARDA, Aleppo, Syria.
172. Tiffen, M., M. Mortimer, and A.C. Ackello-Ogutu. 1993. From agropastoralism to mixed farming: The evolution of farming systems in Mackakos, Kenya, 1930-1990. Agric. Admin. (Research and Extension) Network. Network Paper 45. Overseas Develop. Inst., London.
173. Tiffen, M., M. Mortimer, and F. Gichuki. 1994. Population growth and environmental recovery: Policy lessons from Kenya. Gatekeeper Ser. 45. Int. Inst. for Environ. and Develop., London.
174. Mannetje, L. 1997. Potential and prospects of legume-based pastures in the tropics. Trop. Grassl. 31:81-94.
175. Mannetje, L. (ed.) 2000. Silage making in the tropics with particular emphasis on smallholders. Plant Production and Protection Paper 161. Rome.
176. Treacher, T.T. 2000. Livestock and agricultural systems in Syria. p. 187-196. In M. Mundy and B. Musallam (ed.) The transformation of Nomadic Society in the Arab East. Cambridge Univ. Press, Cambridge, UK.
177. Turner, R.E., and N.N. Rabalais. 2003. Linking landscape and water quality in the Mississippi river basin for 200 years. BioScience 53:563-572.
178. Tutweiler, R., N. Haddad, and E. Thomson. 1997. Crop-livestock integration in the drier areas of West Asia and North Africa. In N. Haddad et al. (ed.). Improvement of crop-livestockintegration systems in West Asia and North Africa. Proc. of the Regional Symp. on Integrated CropLivestock Systems in West Asia and North Africa, Amman, Jordan. 6-8 Nov. 1995. ICARDA, Aleppo, Syris.
179. U.S. Department of Agriculture-Agricultural Adjustment Administration. 1937. Better-balanced farming for the Oklahoma and Texas wheat and grain-sorghum area: Including special provisions for wind erosion area. SR Leafl. 102. U.S. Gov. Print. Office, Washington, DC.
180. Van Der Pol, F. 1992. Soil mining, an unseen contributor to farm income in southern Mali. Bull. 325. Royal Tropical Inst. (KIT), Amsterdam, The Netherlands.
181. Van Haaften, E.H. 2002. Linking ecology and culture: Towards a psychology of environmental de-gration. Ph.D. thesis. Faculty of Social and Behavioral Sci., Tilburg Univ., The Netherlands.
182. Van Keulen, H., and J.B. Schiere. 2004. Crop-livestock systems: Old wine in new bottles? In R.A. Fischer et al. (ed.) New directions for a diverse planet. Proc. for the 4th Int. Crop Sci. Congr., Brisbane, Australia. 26 Sept.-1 Oct 2004. Available at http://www.cropscience.org.au (verified 23 Jan. 2006).
183. Vanlauwe, B., and N. Sanginga. 2004. The multiple roles of organic resources in implementing integrated soil fertility management strategies. p. 13-24. In R, J. Delve and M.E. Probert (ed.) Modelling nutrient management in tropical cropping systems. ACIAR Workshop Proc. no. 114. Australian Centre for Int. Agric. Res., Canberra.
184. Von Berthalanffy, L. 1968. General systems theory: Foundations, development applications. Allen Lane, The Penguin Press, London.
185. Wafula, B.M. 1993. Response farming for maize production in the dry tropics. p. 145-153. In D.R. Buxton et al. (ed.) International crop science I. CSSA, Madison, WI.
186. Walker, B.H., and M.A. Janssen. 2002. Rangelands, pastoralists and governments: Interlinked systems of people and nature. Philos. Trans. R. Soc. London B 357:719-725.
187. Walsh, M.J., R.H. Delaney, R.W. Groose, and J.M. Krall. 2001. Performance of annual medic species (Medicago spp.) in southeastern Wyoming. Agron. J. 93:1249-1256.
188. Whitbread, A.M., B.C. Pengelly, and B.R. Smith. 2005. An evaluation of three tropical ley legumes for use in mixed farming systems on clay soils in Queensland, Australia. Trop. Grassl. 39:9-21.
189. Wortman, C., and B. Kirungu. 2000. Adoption of legumes for soil improvement and forage by smallholder farmers in Africa. p. 140-148. In W.W. Stur et al. (ed.) Working with farmers: The key to adoption of forage technologies. ACIAR Proc. 95. Australian Centre for Int. Agric. Res., Canberra.
190. Wright, J. 2005. Falta Pretroleo, perspectives on the emergence of a more ecological farming and food system in post-crisis Cuba. Ph.D. thesis. Wageningen Univ., Wageningen, The Netherlands.
191. Zemmelink, G. 1986. Ruminant production and availability of feed. p. 37-49. In M.N.M. Ibrahim and J.B. Schiere (ed.) Rice straw and related feeds in ruminant feeding. Proc. of an Int. Conf., Kandy, Sri Lanka. 24-28 Mar.1986. Straw Utilization Project. Dep. of Animal Sci., Peradeniya Univ, and Dep. of Tropical Animal Production, Agric. Univ., Wageningen, The Netherlands.
192. Zhambakyn, Z., B. Makhatov, M. Bounejmate, and B.E. Norton. 2002. Empowering smallholders to revive rotational grazing. Dryland Pasture, Forage and Range Network Newsl. Issue no. 21. ICARDA, Aleppo, Syria.