Similar Items: The use of nuclear techniques in the management of nitrogen fixation by trees to enhance fertility of fragile tropical soils.
- Soil nitrogen as fertilizer or pollutant.
- Improving yield and nitrogen fixation of grain legumes in the tropics and sub-tropics of Asia.
- Enhancement of biological nitrogen fixation of common bean in Latin America.
- Soils and fertilizers
- Management and conservation of tropical acid soils for sustainable crop production.
- Optimizing nitrogen fertilizer application to irrigated wheat.