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Effect of Azotobacter on Nitrogen Contents and Yield of Maize, Wheat and Sorghum in Kenya
(University of Nairobi,, 1985)
Potentials of and limitations to the biological nitrogen contribution from forage legumes in sub-saharan Africa
(University of Nairobi,, 1985)
Dommergues 1985 The use of nitrogen fixing trees in forestry and soil restoration in the tropics
(University of Nairobi,, 1985)