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Wortmann, Charles S. ,  [Diagnosis of nutritional disorders in beans using seed analysis] ,  Diagnosis of nutritional disorders in beans using seed analysis

Wortmann, Charles S. ,  Eledu, Charles A. ,  [Distribution of bean seed types in Eastern Africa] ,  Distribution of bean seed types in Eastern Africa

Wortmann, Charles S. ,  [Nutrient dynamics in a climbing bean and sorghum crop rotation in the Central Africa highlands] ,  Nutrient dynamics in a climbing bean and sorghum crop rotation in the Central Africa highlands

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

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. ,  Kisakye, J. ,  Ugen, Michael Adrogu ,  Sengooba, T. ,  [Farmers` participation in bean research in Uganda] ,  Farmers` participation in bean research in Uganda

Kirkby, Roger A. ,  Wortmann, Charles S. ,  Gridley, Howard E. ,  [Impact of the Eastern Africa bean research network on research priorities, national research and farmers] ,  Impact of the Eastern Africa bean research network on research priorities, national research and farmers

Allen, David J. ,  Ampofo, James Kwasi O. ,  Wortmann, Charles S. ,  [Pragas, doenças e problemas nutricionais do feijoeiro na Africa: guia de campo] ,  Pragas, doenças e problemas nutricionais do feijoeiro na Africa: guia de campo

Flor Montoya, Carlos A. ,  Lynch, Jonathan P. ,  Wortmann, Charles S. ,  [Diagnosis of nutritional disorders in beans (Phaseolus vulgaris)] ,  Diagnosis of nutritional disorders in beans (Phaseolus vulgaris)

Wortmann, Charles S. ,  [An adaptation breeding strategy for water deficit in bean developed with the application of DSSAT3 drybean model] ,  An adaptation breeding strategy for water deficit in bean developed with the application of DSSAT3 drybean model