Makoi, Joachim H.J.R.Chimphango, Samson B.M.Dakora, Felix D.2025-03-072025-03-072008-08-220334-5114http://dx.doi.org/10.1007/BF03179985https://hdl.handle.net/20.500.14519/145757–67 PagesenAttribution-NonCommercial-ShareAlike 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-sa/4.0/Cowpea genotypesPlant growthN2 fixation/l15N, %Ndfa%NdfaN-fixedMonocultureMixed cultureEffect of legume plant density and mixed culture on symbiotic N2 fixation in five cowpea (Vigna unguiculata L. Walp.) genotypes in South Africa.Article