@BOOKLET {WOOMER:2010, title = {Biological nitrogen fixation ne nzira dzeKurimwa neKutengeswa kwe Bhinzi: bhuku reVatungamiriri vevarimi muchirongwa checN2Africa MuZimbabwe}, author = {Woomer, P. L. and N2Africa, }, year = {2010}, address = {Tropical Soil Biology and Fertility Institute of the International Centre for Tropical Agriculture}, howpublished = {Booklet}, note = {N2Africa Project; CRP Grain Legumes; 22p.}, }