@PROCEEDINGS {BAIJUKYA:2015, title = {Potassium deficiencies limit common bean (Phaseolus vulgaris L.) production in west Usambara, northern Tanzania: proceeding}, author = {Baijukya, F. and Mzanda, A. }, booktitle = {Paper presented at First National Potash Symposium in Tanzania entitled: "potassium for sustainable crop production and food security", 28-29 July, Dar es Salaam, Tanzania}, year = {2015}, month = {July}, organization = {IPI International Potash Institute (IPI)}, address = {Dar es Salaam, Tanzania}, note = {EAHub; CRP Grain Legumes; Cowpea; Bean}, }