Effects of nitrogen fertilizer and bean (Phaseolus vulgaris L.) residue on yields of beans in different cropping systems
Citation
Chui, J. N., and J. K. A. Keter. "Effects of nitrogen fertilizer and bean (Phaseolus vulgaris L.) residue on yields of beans in different cropping systems." East African agricultural and forestry journal 67 (2003): 37-46Publisher
University of Nairobi, college of agriculture and veterinary services,