Browsing by Author "Mrema, J.P."
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Item Potential of cowpea, pigeonpea and greengram to supply mineral N to maize in rotation on ferralsols in Muheza Tanga- TanzaniaMarandu, A.E.T.; Mrema, J.P.; Nyaki, A. S.; Semu, E.Item The status of Zn, Cu, Mn, and Fe in the soils and Tea- Leaves' of-Kibena -'Tea. Estates, Njombe, TanzaniaKitundu, K.M.B.; Mrema, J.P.