Browsing by Author "Keltjens, W.G."

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    • Phosphorus levels in shoots of Bambara groundnut in Botswana soils 

      Ramolemana, G.M.; Keltjens, W.G.; Wessel, M.; Maphanyane, G.S. (Taylor & Francis, 2002)
      The critical phosphorus (P) concentration and range of bambara groundnut (Vigna subterranea) plants were determined from a sand culture experiment at Botswana College of Agriculture. Twelve P levels (0.207–159 mg P pot−1) ...