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Atmospheric biological nitrogen fixation (BNF) by cowpea (Vigna unguiculata) and groundnut (Arachis hypogea) was evaluated using a 2-year (2000–2001) experiment with different fertilizer treatments. The 15N isotopic dilution method with a nonfixing cowpea as test reference crop was used. The effe...


Bado, BVBationo, B. AndréCescas, MP[Assessment of cowpea and groundnut contributions to soil fertility and succeeding sorghum yields in the Guinean savannah zone of Burkina Faso (West Africa)]Assessment of cowpea and groundnut contributions to soil fertility and succeeding sorghum yields in the Guinean savannah zone of Burkina Faso (West Africa)
Amede, TilahunAmézquita Collazos, EdgarAshby, J.A.Ayarza, Miguel AngelBarrios, EdmundoBationo, B. AndréBeebe, Stephen E.Bellotti, Anthony C.Blair, Matthew W.Delve, Robert J.Fujisaka, SamHoweler, Reinhardt H.Johnson, Nancy L.Kaaria, Susan K.Kelemu, SegenetKerridge, Peter C.Kirkby, Roger A.Lascano, Carlos E.Lefroy, R.D.B.Mahuku, George S.Murwira, Herbert K.Oberthür, ThomasPachico, Douglas H.Peters, MichaelRamisch, Joshua J.Rao, Idupulapati M.Rondón, Marco AntonioSanginga, Pascal C.Swift, M.Vanlauwe, Bernard[Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics]Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics
Nyathi, PKimani, S.K.Jama, B.Mapfumo, PaulMurwira, HKOkalebo, JRBationo, B. André[Soil fertility management in semi arid areas of East and Southern Africa]Soil fertility management in semi arid areas of East and Southern Africa

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