共 38 条
[1]
Agboola A.A., Oko B.D.F., An attempt to evaluate plant available P in Western Nigeria soil under shifting cultivation, Agron J, 69, pp. 798-801, (1976)
[2]
Bationo A., Mokwunye A.U., Baanante C.A., Agronomic Evaluation of alternative fertilizer sources in Niger, Appropriate technologies for farmers in Semi-Arid West Africa, (1985)
[3]
Bationo A., Mughogho S.K., Mokwunye, Agronomic evaluation of phospate fertilizers in Tropical Africa, Management of Nitrogen and Phosphorus Fertilizers in Sub-Saharan Africa, (1986)
[4]
Bationo A., Chien S.H., Mokwunye A.U., Chemical characteristics and agronomic values of some phosphate rocks in West Africa, Food grain production in Semi-Arid Africa, (1987)
[5]
Charreau C., Vidal P., Influence de l'Acacia Albida Del sur la nutrition minérale et rendements des mils pennisetum au Senegal, Agron trop, 20, pp. 600-626, (1965)
[6]
Chien S.H., Hammond L.L., A comparison of various laboratory methods for predicting the agronomic potential of phosphate rock for direct application, Soil Science Society of America Journal, 42, pp. 935-939, (1978)
[7]
Dancette C., Water requirements of millet in Senegal Adaptation in the Semi-Arid Tropics, Agron Trop, 38, pp. 267-293, (1983)
[8]
Diamond R.B., Views on marketing of phosphate rock for direct application. Haifa, Israel, March 20–23, 1978, pp. 448-463, (1979)
[9]
Dugue P., Soil preparation in the Sudan-Sahelian zone: Prospects and constraints, Appropriate technologies for farmers in Semi-Arid West Africa, (1985)
[10]
Fox R.L., Kamprath E.J., Phosphate sorption isotherm for evaluating the P requirements of soils, Soil Science Society of America Journal, 34, pp. 902-907, (1970)