Effects of Newbouldia laevis on soil subjected to shifting cultivation in the Ibadan area, southwestern Nigeria

Land Degradation and Development

Volumn 14, Issue 1, 2003, Pages 51-56

  Aweto, A O ^a   Iyanda, A O ^a  

^a UNIVERSITY OF IBADAN   (Nigeria)

Author keywords

Micronutrients; Newbouldia laevis; Nigeria; Shifting cultivation; Soil; Tree canopy

Indexed keywords

CULTIVATION; FORESTRY; POSITIVE IONS;

SHIFTING CULTIVATION;

SOILS;

BULK DENSITY; SHIFTING CULTIVATION; SOIL CHEMISTRY; SOIL PROPERTY; TREE;

CATION EXCHANGE; CULTIVATION; FORESTRY; SOIL;

NIGERIA;

NEWBOULDIA; NEWBOULDIA LAEVIS;

EID: 0037284510     PISSN: 10853278     EISSN: None     Source Type: Journal    
DOI: 10.1002/ldr.517     Document Type: Article

References (26)

1. Adriano DC. 1986. Trace Elements in the Terrestrial Environment. Springer-Verlag: New York.
2. Aweto AO. 1981. Organic matter build-up in fallow soil in a part of south-western Nigeria and its effects on soil properties. Journal of Biogoegraphy 8: 67-74.
3. Aweto AO. 2001. Trees in shifting and continuous cultivation farms in Ibadan area, southwestern Nigeria. Landscape and Urban Planning 53: 163-171.
4. Aweto AO, Obe O, Ayanniyi OO. 1992. Effects of shifting and continuous cultivation of cassava (Manihot esculenta) intercropped with maize (Zea mays) on a forest alfisol in south-western Nigeria. Journal of Agricultural Science, Cambridge 118: 195-198.
5. Aihou K, Sangiga N, Vanlauwe B, Lyasse O, Diels J, Merckx R. 1999. Alley cropping in the moist savanna of West Africa. I. Restoration and maintenance of soil fertility on 'terre de barre' soils in Benin Republic. Agroforestry Systems 42: 213-227.
6. Barrios E, Kwesiga F, Buresh RH, Sprent JI. 1997. Light fraction organic matter and and available nitrogen following trees and maize. Soil Science of America Journal 61: 826-831.
7. Blake GR. 1965. Bulk density. In Methods of Soil Analysis, Black CA (ed.). Agronomy Monograph No. 9. American Society of Agronomy: Madison, WI; 374-390.
8. Bouyoucos GK. 1926. Estimation of colloidal materials in soils. Science 64: 632.
9. Brady NC, Weil RR. 1996. The Nature and Properties of Soils. Prentice-Hall: Upper Saddle River.
10. Bray RH, Kurtz LT. 1945. Determination of total, organic and available forms of phosphorus in soils. Soil Science 59: 39-46.
11. Drechsel P, Glaser B, Zech W. 1991. Effect of four multipurpose tree species on soil amelioration during tree fallow in Central Togo. Agroforestry Systems 16: 193-202.
12. Ghuman BS, Lal R. 1990. Nutrient addition into the soil by leaves of Cassia siamea and Gliricidia sepium grown on acid ultisol in southern Nigeria. Agroforestry Systems 10: 131-133.
13. Hopkins B. 1974. Forest and Savanna. Heinemann: Ibadan.
14. Hulugalle NR, Ndi JN. 1993. Effects of no-tillage and alley cropping on soil properties and crop yields in a typic kandiudult of southern Cameroon, Agroforestry Systems 22: 207-220.
15. Kang BT, Wilson GF, Lawson TL. 1984. Alley Cropping: A Stable Alternative to Shifting Cultivation. International Institute of Tropical Agriculture: Ibadan.
16. Kwesiga F, Coe R. 1994. The effect of short rotation Sesbania sesban planted fallows on maize yield. Forest Ecology and Management 64: 199-208.
17. Lal R. 1989a. Agroforestry systems and soil surface management of a tropical alfisol: III. Changes in soil chemical properties. Agroforestry Systems 8: 113-132.
18. Lal R. 1989b. Agroforestry systems and surface management of a tropical alfisol: IV. Effects on soil physical and mechanical properties. Agroforestry Systems 8: 197-215.
19. Mapa RB, Gunasena HPM. 1995. Effect of alley cropping on soil aggregate stability of a tropical alfisol. Agroforestry Systems 32: 237-245.
20. Mazzarino MJ, Szott L, Jimenez M. 1993. Dynamics of soil total C and N, microbial biomass, and water-soluble C in tropical agroecosystems. Soil Biology and Biochemistry 25: 205-214.
21. Rhoades CC. 1997. Single-tree influences on soil properties in agroforestry: lessons from natural forest and savanna ecosystems. Agroforestry Systems 35: 71-94.
22. Salako FK, Babalola O, Hauser S, Kang BT. 1999. Soil macroaggregate stability under different fallow management systems and cropping intensities in southwestern Nigeria. Geoderma 91: 103-123.
23. Soil Survey Staff. 1994. Keys to Soil Taxonomy. USDA Natural Resources Conservation Service: Washington, DC.
24. Torquebiau E, Kwesiga F. 1996. Root development in a Sesbania sesban fallow-maize system in eastern Zambia. Agroforestry Systems 34: 193-211.
25. Vomocil JA. 1965. Porosity. In Methods of Soil Analysis, Black CA (ed.). Agronomy Monograph No. 9. American Society of Agronomy: Madison, WI; 299-314.
26. Young A. 1997. Agroforestry for Soil Management. CAB International: Wallingford.