Yield decline of sweet potato in the humid lowlands of Papua New Guinea

Agriculture, Ecosystems and Environment

Volumn 79, Issue 2-3, 2000, Pages 259-269

  Hartemink, Alfred E ^a   Poloma, S ^b   Maino, M ^b   Powell, K S ^c   Egenae, J ^b   O'Sullivan, J N ^d  

^a ISRIC WORLD SOIL INFORMATION   (Netherlands)

^b PAPUA NEW GUINEA UNIVERSITY OF TECHNOLOGY   (Papua New Guinea)

^c AGRICULTURE VICTORIA RESEARCH   (Australia)

^d UNIVERSITY OF QUEENSLAND   (Australia)

Author keywords

El Nino effect; Nematodes; Papua New Guinea; Soil fertility decline; Sweet potato; Weevils; Yield decline; Yield variation

Indexed keywords

HUMID ENVIRONMENT; ROOT VEGETABLE; YIELD;

PAPUA NEW GUINEA;

CYLAS FORMICARIUS; IPOMOEA BATATAS; MELOIDOGYNE; ROTYLENCHULUS RENIFORMIS;

EID: 0034120234     PISSN: 01678809     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0167-8809(00)00139-0     Document Type: Article

References (34)

1. Allen B.J., Bourke R.M., Hide R.L. The sustainability of Papua New Guinea agricultural systems: the conceptual background. Global Environ. Change. 5:1995;297-312.
2. Barker K.R., Koenning S.R. Developing sustainable systems for nematode management. Annu. Rev. Phytopathol. 36:1998;165-205.
3. Bourke, R.M., 1983. Crop micronutrient deficiencies in Papua New Guinea. Report 83/3, Department of Primary Industry, Highlands Experimental Station, Aiyura.
4. Bourke R.M. Sweet potato (Ipomoea batatas) production and research in Papua New Guinea. Papua New Guinea J. Agric. For. Fisheries. 33:1985;89-108.
5. Bridge, J., Page, S.L.J., 1984a. Plant Nematodes of Papua New Guinea: their Importance as Crop Pests. Commonwealth Institute of Parasitology, Harpenden, 91 pp.
6. Bridge J., Page S.L.J. Plant nematode pests of crops in Papua New Guinea. J. Plant Prot. Tropics. 1:1984b;99-109.
7. Bruns H.A., Bouwkamp J.C. Nutrient concentration, content, and uptake by sweet potatoes grown in varying intra-row plant spacings. Field Crops Res. 22:1989;17-26.
8. Cassman K.G., Peng S.B., Dobermann A. Nutritional physiology of the rice plants and productivity decline of irrigated rice systems in the tropics. Soil Sci. Plant Nutrition. 43:1997;1101-1106.
9. Clark C.A., Wright V.L. Effect and reproduction of Rotylenchulus reniformis on sweet potato selections. J. Nematol. 15:1983;197-203.
10. Constantin R.J., Jones L.G., Hernandez T.P. Sweet potato quality as affected by soil reaction (pH) and fertilizer. J. Am. Soc. Hortic. Sci. 100:1975;604-607.
11. de la Peña, R.S., 1996. Root crops in the Pacific region: their dietary, cultural and economic significance. In: Craswell, E.T., Asher, C.J., O'Sullivan, J.N. (Eds.), Mineral Nutrient Disorders of Root Crops in the South Pacific. Australian Centre for International Agricultural Research, Canberra, pp. 19-27.
12. de Steenhuijsen Piters, B., 1995. Diversity of field and farmers - explaining yield variations in northern Cameroon. Doctoral Thesis, Agricultural University, Wageningen.
13. Greenland, D.J., Gregory, P.J., Nye, P.H., 1997. Introduction and conclusions. In: Greenland, D.J., Gregory, P.J., Nye, P.H. (Eds.), Land Resources: on the Edge of the Malthusian precipice? The Royal Society, London, pp. 861-867.
14. Hahn, S.K., Hozyo, Y., 1984. Sweet potato. In: Goldsworthy, P.R., Fisher, N.M. (Eds.), The Physiology of Tropical Field Crops. Wiley, New York, pp. 551-567.
15. Hartemink, A.E., Johnston, M., O'Sullivan, J.N., Poloma, S., 2000. Nitrogen use efficiency of taro and sweet potato in the humid lowlands of Papua New Guinea. Agric. Ecosyst. Environ. 79, 271-279.
16. Hill W.A., Dodo H., Hahn S.K., Mulongoy K., Adeyeye S.O. Sweet potato root and biomass production with and without nitrogen fertilization. Agron. J. 82:1990;1120-1122.
17. Horton D.E. World patterns and trends in sweet potato production. Trop. Agric. 65:1988;268-270.
18. Horton, D.E., 1989. Recent trends in world sweet potato production and use. In: Mackay, K.T., Palomar, M.K., Sanico, R.T. (Eds.), Sweet Potato Research and Development for Small Farmers. IDRC, Ottawa, pp. 17-33.
19. Howeler R.H. Long-term effects of cassava cultivation on soil productivity. Field Crops Res. 26:1991;1-18.
20. Lal, R., Ragland, J., 1993. Agricultural sustainability in the tropics. In: Ragland, J., Lal, R. (Eds.), Technologies for Sustainable Agriculture in the Tropics. ASA Special Publication No 56, ASA-CSSA-SSSA, Madison, pp. 1-6.
21. Levett M.P. Effects of various hand-weeding programmes on yield and components of yield of sweet potato (Ipomoea batatas) grown in the tropical lowlands of Papua New Guinea. J. Agric. Sci. 118:1992;63-70.
22. Linn D.M., Doran J.W. Effect of water-filled pore space on carbon dioxide and nitrous oxide production in tilled and nontilled soils. Soil Sci. Soc. Am. J. 48:1984;1267-1272.
23. Martin F.W. Variation of sweet potatoes with respect to the effects of waterlogging. Trop. Agric. 60:1983;117-121.
24. Martin F.W., Flores N.A., Carmer S.G. Identification of a key environment for determination of yield stability in sweet potato. Trop. Agric. 65:1988;313-316.
25. O'Sullivan, J.N., Asher, C.J., Blamey, F.P.C., 1997. Nutrient disorders of sweet potato. ACIAR Monograph No. 48, Canberra.
26. Parkinson, S., 1984. The contribution of aroids in the nutrition of people in the South Pacific. In: Chandra, S. (Ed.), Edible Aroids. Clarendon Press, Oxford, pp. 215-224.
27. Roberts-Nkrumah L.B., Wilson L.A., Ferguson T.U. Responses of four sweet potato cultivars to levels of shade. 2. Tuberization. Trop. Agric. 63:1986;265-270.
28. Sutherland J.A. Damage by Cylas formicarius Fab. to sweet potato vines and tubers, and the effect of infestations on total yield in Papua New Guinea, and the effect of infestations on total yield in Papua New Guinea. Trop. Pest Manage. 32:1986;316-323.
29. Teli V.S., Salunke G.N. Behavioural studies on sweet potato weevil, Cylas formicarius Fab. (Coleoptera: Curculionidae). J. Insect Sci. 7:1994;54-57.
30. Thomas R.J., Clark C.A. Population dynamics of Meloidogyne incognita and Rotylenchulus reniformis alone and in combination, and their effects on sweet potato. J. Nematol. 15:1983;204-211.
31. Ton C.S., Hernandez T.P. Wet soil stress effects on sweet potatoes. J. Am. Soc. Hortic. Sci. 103:1978;600-603.
32. Torquebiau E. Are tropical agroforestry home gardens sustainable? Agric. Ecosyst. Environ. 41:1992;189-207.
33. Walker D.W. Nitrogen rate and cultivar effects on nitrogen and nitrate concentration of sweet potato leaf tissue. Commun. Soil Sci. Plant Analysis. 18:1987;529-541.
34. Young, A., 1997. Agroforestry for Soil Management, 2nd Edition. CAB International, Wallingford.