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Rachier, Gideon O.Wortmann, Charles S.Tenywa, J.S.[Low soil phosphorus tolerance in common bean as affected by root architecture]Low soil phosphorus tolerance in common bean as affected by root architecture
Rachier, Gideon O.Wortmann, Charles S.Tenywa, J.S.[Phosphorus tolerance in common bean as affected by root architecture]Phosphorus tolerance in common bean as affected by root architecture

Revised reference values of available soil phosphorus by Bray I below which bean (Phaseolus vulgaris L.) and sorghum (Sorghum bicolor L.) yield response to applied P is expected, were 6 and 9 ppm, for January and July soil sampling dates, respectively. Reference values determined for interpretati...


Drechsel, PayMutwewingabo, BHagedorn, FWortmann, Charles S.[Soil and foliar phosphorus determination in Rwanda: Procedures and interpretation]Soil and foliar phosphorus determination in Rwanda: Procedures and interpretation
Wortmann, Charles S.[Foliar nutrient testing with the diagnosis and recommendation integrated system (DRIS) for beans]Foliar nutrient testing with the diagnosis and recommendation integrated system (DRIS) for beans
Wortmann, Charles S.Lunze, LubangaLynch, Jonathan P.[Bean improvement for low fertility in Africa (BILFA): II. Low soil phosphorus availability]Bean improvement for low fertility in Africa (BILFA): II. Low soil phosphorus availability

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