Effect of long term fertilizer use on nitrogen fractions in a typic haplustept and their contribution to crop uptake and yield

Sarawad, I.M.

Effect of long term fertilizer use on nitrogen fractions in a typic haplustept and their contribution to crop uptake and yield - 126p.




Nitrogen
Fertilizer applications
Yields
Experimentation
Maize
Wheats
Cowpeas
Cropping systems
Nutrients
Protein content
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