The influence of soil variability on tree establishment at an experimental agroforestry site in North East Nigeria

Soil Use and Management

Volumn 13, Issue 1, 1997, Pages 1-8

  Adderley, W P ^a   Jenkins, D A ^a   Sinclair, F L ^a   Stevens, P A ^a   Verinumbe, I ^b  

^a BANGOR UNIVERSITY   (United Kingdom)

^b UNIVERSITY OF MAIDUGURI   (Nigeria)

Author keywords

agroforestry; lacustrine soils; Nigeria; soil variability; Trees

Indexed keywords

AGROFORESTRY; LACUSTRINE SOIL; SEEDLING ESTABLISHMENT; SEMIARID REGION; SOIL PROPERTIES; SOIL PROPERTY; SOIL VARIATION; SPATIAL VARIATION; TREE ESTABLISHMENT;

NIGERIA;

EID: 0030619713     PISSN: 02660032     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1475-2743.1997.tb00549.x     Document Type: Article

References (29)

1. BEAVINGTON, F. 1978. Studies of some cracking soils in the Lake Chad basin of North East Nigeria. Journal of Soil Science 29, 575-583.
2. BLAIKIE, P. & BROOKFIELD, H. 1987. Land Degradation and Society. Methuen, London.
3. BRAUKÄMPER, U, KIRSCHT, H., PLATTE, E. & THIEMEYER, H. 1993. Systems of land use in the Firgi plains of the Chad Basin In: Berichte des Sonderforschungsbereichs 268, Frankfurt am Main 2, 43-50.
4. BROUWER, J., FUSSELL, L.K. & HERRMANN, L. 1993. Soil and crop growth micro-variability in the West African semi-arid tropics: a possible risk-reducing factor for subsistence farmers. Agriculture, Ecosystems and Environment 45, 229-238.
5. CROSS, N. & BARKER, R. 1991. At the desert's edge: oral histories from the Sahel. PANOS - SOS Sahel, London.
6. DENT, D. & YOUNG, A. 1981. Soil Survey and Land Evaluation. E. and F.N. Spon, London.
7. DUDAL, R. 1965. Dark clay soils of the tropical and sub-tropical regions. Development paper 83, Food and Agriculture Organization of the United Nations, Rome.
8. DURAND, A. 1982. Oscillations of Lake Chad over the past 50,000 years: new data and new hypothesis. Paleogeography, Paleoclimatology, Paleoecology 39, 37-53.
9. FOOD AND AGRICULTURE ORGANIZATION. 1974. Soil map of the World 1:5,000,000 Vol. VI Africa. Unesco, Paris.
10. FOOD AND AGRICULTURE ORGANIZATION. 1984. Agroclimatological data for Africa, Vols. 1 & 2. FAO Plant production and protection series 22, FAO, Rome.
11. GEIGER, S.C. & MANU, A. 1993. Soil surface characteristics and variability in the growth of millet in the plateau and valley region of Western Niger. Agriculture, Ecosystems and Environment 45, 203-211.
12. HODGSON, J.M. 1976. Soil survey field handbook. Technical Monograph No. 5, Soil Survey, Harpenden.
13. KESSLER, J.J. & BREMAN, H. 1991. The potential of agroforestry to increase primary production in the Sahelian and Sudanian zones of West Africa. Agroforestry Systems 13, 41-62.
14. KLUTE, A. (ed.) 1986. Methods of Soil Analysis Part 1 (2nd Edition), American Society of Agronomy; Soil Science Society of America, Madison, Wisconsin.
15. LAMERS, J.P.A., FELL, P.R. & BUERKERT, A. 1995. Spatial crop growth variability in Western Niger: the knowledge of farmers and researchers. Indigenous Knowledge and Development Monitor 3, 17-19.
16. LAND RESOURCE CENTRE. 1970. Land Use Systems map 6A (1:500,000). Map accompanying The Land Resources of North East Nigeria. Land Resource Centre, Tolworth, London.
17. MCTAINSH, G. 1984. The nature and origin of the aeolian mantles of central northern Nigeria. Geoderma 33, 13-37.
18. PAGE, A.L. (ed.) 1982. Methods of soil analysis Part 2 (2nd edition), American Society of Agronomy; Soil Science Society of America Madison, Wisconsin.
19. PAYNE, R.W., LANE, P.W. et al. 1987. Genstat 5 Reference Manual. Oxford University Press, Oxford.
20. PETTERS, S.W. 1981. Stratigraphy of Chad and Illmedden basins (West Africa). Ecologae Geologicae Helvetiae 74, 139-159.
21. SAS. 1989. SAS/STAT User's Guide, Version 6, Fourth Edition, Volumes 1 & 2. SAS Institute Inc., Cary.
22. SERVANT, M. 1983. Séquences continentiales et variations climatiques: Evolution du bassin du Tchad au Cenozoïque superieur. Travaux et Document du. ORSTOM 159, Paris.
23. SINCLAIR, F.L., VERINUMBE, I. & HALL, J.B. 1994. The role of tree domestication in agroforestry. In: Tropical trees: the potential for domestication and the rebuilding of forest resources (eds R.R.B. Leakey & A. Newton), HMSO, London, pp. 124-136.
24. SOIL SURVEY STAFF. 1994. Keys to Soil Taxonomy. Pochahontas Press, Iowa.
25. 14C-record from Konduga area, Borno State, Nigeria. Zeitschrift für Geomorphologie 36, 113-118.
26. TULEY, P. (ed.) 1972. The Land Resources of North East Nigeria: Volume 1 The Environment. Land Resources Division, Overseas Development Administration, London.
27. WEBSTER, R. & MCBRATNEY, A.B. 1987. Mapping of soil fertility at Broom's Barn by simple kriging. Journal of the Science of Food and Agriculture 38,97-115.
28. WHITE, F. 1983. The Vegetation of Africa. UNESCO Natural Resources Research 20, 1-356.
29. WRIGHT, J.B., HASTINGS, D.A., JONES, W.B. & WILLIAMS, H.R. 1985. Geology and mineral resources of West Africa. George Allen & Unwin, London.