• 10 Journals, Magazines, Newspapers
• 8 Books

• 6 Agriculture
• 6 Tropical crops
• 5 International Institute of Tropical Agriculture
• 3 Research
• 2 Bananas
• 2 Plantain banana
• 2 Root crops
• 1 Biotechnology
• 1 Breeding
• 1 Cassava
• 1 Clearcutting
• 1 Clearing of land
• 1 Crop yields
• 1 Deforestation
• 1 Farm management
• 1 Fixation
• 1 Grain
• 1 Legumes
• 1 Nitrification
• 1 Nitrogen
• 1 Nitrogen content
• 1 Nitrogen cycle
• 1 Nitrogen fertilizers
• 1 Plant physiology
• 1 Soils

• 13 International Institute of Tropical Agriculture
• 2 International Society for Tropical Root Crops
• 1 Bokanga, M
• 1 Craenen, Kathelyne
• 1 Cummings, R. W., Jr
• 1 Dubois, T. (Thomas)
• 1 Farming Systems Program (International Institute of Tropical Agriculture)
• 1 Ghana
• 1 Grain Legume Improvement Program (International Institute of Tropical Agriculture)
• 1 Hahn, S. K
• 1 Heide, J. van der
• 1 International Conference on Banana and Plantain for Africa (1st : 1996 : Kampala, Uganda)
• 1 International Conference on Banana and Plantain in Africa (2008 : Mombassa, Kenya)
• 1 International Institute of Tropical Agriculture. Cereals Improvement Program
• 1 International Institute of Tropical Agriculture. Root and Tuber Improvement Program
• 1 International Society for Horticultural Science
• 1 International Society for Horticultural Science. Commission for Tropical and Subtropical Horticulture
• 1 International Society for Horticultural Science. Section Banana and Plantain
• 1 International Society for Horticultural Science. Working Group on Cassava Safety
• 1 International Society for Tropical Root Crops. Symposium (9th : 1991 : Accra, Ghana)
• 1 International Symposium on Land Clearing and Development in the Tropics
• 1 International Workshop on Cassava Safety (1994 : Ibadan, Nigeria)
• 1 Kang, B. T
• 1 Karamura, E. (Eldad B.)
• 1 Lal, R

• 18 English

• 9 Tropics
• 2 Africa
• 2 Africa, Sub-Saharan
• 1 Developing countries

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