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close this book Abstracts on sustainable agriculture 1992 Gate- GTZ
close this folder Abstracts on soil fertility
View the document Acknowledgements
View the document 1. Soil constraints on sustainable plant production in the tropics.
View the document 2. Impact of agricultural practices on soil pollution.
View the document 3. The use of organic biostimulants to help low input sustainable agriculture.
View the document 4. Nitrogen cycling in high-input versus reduced-input arable farming.
View the document 5. Green manure in rice farming.
View the document 6. Role of green manure in low-input farming in the humid tropics.
View the document 7. Green manuring with vetch on acid soil in the highland region of Rwanda.
View the document 8. Tropical lowland rice response to preceding crops, organic manures and nitrogen fertilizer.
View the document 9. Pearl millet and cowpea yields in sole and intercrop systems, and their after-effects on soil and crop productivity.
View the document 10. Influence of some characteristics of bean seed and seedlings on the tolerance to low phosphorus availability in the soil. (Infuencia de algunas caracteristicas de las semillas y plantulas de frijol Phaseolus vulgaris L. sobre la tolerancia a la baja disponibilidad de f├│sforo en el suelo )
View the document 11. Evaluation of diverse effects of phosphate application on legumes of arid areas.
View the document 12. Effect of n and p fertilizers on sustainability of pigeonpea and sorghum systems in sole and intercropping.
View the document 13. Efficient fertilizer use in acid upland soils of the humid tropics.
View the document 14. Vesicular-arbuscular mycorrhiza management.
View the document 15. Impact of tropical va mycorrhizae on growth promotion of cajanus cajan as influenced by p sources and p levels.
View the document 16. Benefit and cost analysis and phosphorus efficiency of va mycorrhizal fungi colonizations with sorghum (sorghum bicolor) genotypes grown at varied phosphorus levels.

Abstracts on soil fertility