Browsing Theses and Dissertations by Author "Bernard, Nkosilathi"
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An assessment of biological nitrogen fixation on legumes growing on farmers’ fields and in natural systems and authentication of associated root nodule bacteria
Bernard, Nkosilathi (Botswana University of Agriculture & Natural Resources, 2017-05)The low inherent soil fertility, especially nitrogen (N) constrains arable agriculture in Botswana. Nitrogen is usually added to soil through inorganic fertilizer application. In this dissertation, biological N? fixation ...