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Found: 223 | Record 201-223 |
Brabant, P. (1992) | |
La dégradation des terres en Afrique | |
Afrique contemporaine. #161. p. 90-108. |
Mulenga, N.C.; Stoop, W.A. (1992) | |
Soil fertility constraints and sustained land use in the farming systems of Western Province, Zambia (a soil fertility mission) | |
Proceedings of the Annual Scientific Conference of the SADCC-Land and Water Management Research Programme. October 5-7. p. 111-126. |
Nyamapfene, K. (1992) | |
A geographical overview of the soils of Zimbabwe and their agricultural potential | |
Geographical Education Magazine. Volume 15 #1. March. p. 63-73. |
Sekhwela, M.B.M. (1992) | |
Wind erosion and nutrient balance in an arable field in Botswana-theoritical analysis based on a limited case study of wind erosion activity in an arable field | |
Proceedings of the Annual Scientific Conference of the SADCC-Land and Water Management Research Programme. October 5-7. p. 185-201. |
MacRobert, J.F.; Wells, P.D.; Savage, M.J. (1991) | |
A survey of farm wheat root profiles | |
Zimbabwe Science News. Volume 25 #10-12. October-December. p. 83-86. |
Manuel, F. (1991) | |
Agricultura em Tete, quando se dão nozes a quem não tem dentes | |
Tempo. #1071. 21 de abril. p. 18-24. |
Mkangwa, C.Z. (1991) | |
Nutrient deficiencies and agroforestry potentials in dry season cropping of Southern Kilosa District | |
Tanzania Agricultural Research & Training Newsletter. Volume 6 #1-4. December. p. 25-26. |
Nyamudeza, P.; Nyakatawa, E.Z.; Jones, E.; Maringa, D. (1991) | |
Water and soil fertility management for increased crop production on the light soils of the South Eastern Lowveld of Zimbabwe | |
Proceedings of the Annual Scientific Conference of the SADCC-Land and Water Management Research Programme. October 7-9. p. 232-240. |
Lupwayi, N.Z. (1990) | |
The nutrient status of cultivated soils at Bunda | |
Bunda Journal of Agricultural Research. Volume 2. p. 38-57. |
MacColl, D. (1990) | |
The effects of lime, minimum tillage, and the return of stover to the soil on the yields of maize over seven years | |
Bunda Journal of Agricultural Research. Volume 2. p. 85-99. |
Shongwe, G.N. (1990) | |
Effects of aluminium loading and ortho-phosphate addition on the concentration of phosphate in soil solution with increasing pH | |
Swaziland Journal of Science and Technology. Volume 11 #1-2. November. p. 9-15. |
Wilson, J.R. (1990) | |
Agroforestry and soil fertility: the eleventh issue: shade | |
Agroforestry Today. Volume 2 #1. January-March. p. 14-15. |
Young, A. (1989) | |
10 hypotheses for soil-agroforestry research | |
Agroforestry Today. Volume 1 #1. January-March. p. 13-16. |
Mehretu, Assefa (1987) | |
Regions under Stress: Catastrophic Collapse of the Subsistence Base in Ethiopia's Geographic Margins | |
Northeast African Studies. Volume 9 #2. p. 55-67. |
Chimbuya, S. (1986) | |
The influence of soil type on the trophic status of small impoundments | |
Zimbabwe Agricultural Journal. Volume 83 #3. May-June. p. 115-120. |
Pieri, C. (1985) | |
Bilans mineraux des systèmes de cultures pluviales en zones arides et semi-arides | |
L'agronomie tropicale. Volume 40 #1. p. 1-20. |
Mathieu, C. (1982) | |
Problèmes agro-pédologiques posés par la mise en valeur hydro-agricole des sols des zones méditerranéennes semi-arides: exemple de la Basse-Moulouya, Maroc oriental | |
L'agronomie tropicale. Volume 37 #1. p. 30-55. |
Fourati, Habib (1979) | |
L'evolution recente et le niveau actuel de la fécondite en Tunisie | |
Géographie et développement: revue de l'Association des géographes tunisiens. Volume 1 #2. p. 27-42. |
Morel, R.; Quantin, P. (1972) | |
Observations sur l'évolution à long terme de la fertilité des sols cultivés à Grimari (Rép. Centrafricaine): résultats d'essais de culture mécanisée semi-intensive, sur des sols rouges ferrallitiques moyennement désaturés en climat soudano-guinéen d'Afrique Centrale | |
L'agronomie tropicale, Série 3. Volume 27 #6. p. 667-739. |
Siband, P. (1972) | |
Étude de l'évolution des sols sous culture traditionnelle en Haute-Casamance: principaux résultats | |
L'agronomie tropicale, Série 2: Agronomie générale. Études techniques. Volume 27 #5. p. 574-591. |
Anonymous (1958) | |
Aménagement agricole de la Sakay par le B.D.P.A. | |
Bulletin de Madagascar. Volume 8 #147. p. 677-692. |
Douib, A. (1958) | |
La region de Zarzis | |
Les cahiers de Tunisie: revue de sciences humaines. Volume 6 #24. p. 311-316. |
Prothero, R. Mansell (1957) | |
Land use, land holdings and land tenure at Soba, Zaria Province, Northern Nigeria | |
Bulletin de l'Institut Français d'Afrique Noire, Série B: Sciences humaines. Volume 19 #3. p. 558-563. |
Search: su=soil fertility | ||||||||
Found: 223 | Record 201-223 |
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