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Journal Article 1996

Autor: Drechsel, Pay Mutwewingabo, B Hagedorn, F Wortmann, Charles S.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/44107

Investigación en Agricultura
Enlace permanente
Drechsel, Pay ,  Mutwewingabo, B ,  Hagedorn, F ,  Wortmann, Charles S. ,  [Soil and foliar phosphorus determination in Rwanda: Procedures and interpretation] ,  Soil and foliar phosphorus determination in Rwanda: Procedures and interpretation
Journal Article 1993

Autor: Wortmann, Charles S.
Enlace original: https://cgspace.cgiar.org/handle/10568/65745

Investigación en Agricultura
Enlace permanente
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
Conference Paper 1990

Autor: Kisakye, J. Wortmann, Charles S.
Enlace original: https://cgspace.cgiar.org/handle/10568/55703

Investigación en Agricultura
Enlace permanente
Kisakye, J. ,  Wortmann, Charles S. ,  [Development and testing of DRIS foliar norms for bean (Phaseolus vulgaris L.) production] ,  Development and testing of DRIS foliar norms for bean (Phaseolus vulgaris L.) production

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