Assessment of soil and landform characteristics for implementation of conservation agriculture in West Usambara Mountains, Lushoto District, Tanzania
Date of publication:
2010
nitrogen
Biological N2 fixation of three Acacia senegal varieties in the drylands of Kenya using 15N natural abundance method
Date of publication:
2010
Combining ability and performance of maize hybrids under low nitrogen and drought stress
Date of publication:
2010
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