Search Results - Friesen, Dennis K.

Improving the value of maize as livestock feed to enhance the livelihoods of maize-livestock farmers in East Africa by Friesen, Dennis K.

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Soil fertility dynamics in crop rotation/agropastoral systems ("culti-core" and satellite experiments at Carimagua and Matazul) by Friesen, Dennis K.

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Culticore : sustainable crop rotation and ley farming systems for the acid-soil savannas by Friesen, Dennis K.

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Development and diffusion of integrated Striga control practices for small-scale farmers in western Kenya by Friesen, Dennis K.

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Nutrient cycling by Friesen, Dennis K.

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Plant adaptation to phosphorus: Limited tropical soils by Rao, Idupulapati M., Friesen, Dennis K., Osaki, Mitsuru

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Indicadores de sostenibilidad : parámetros edafoclimáticos y diagnóstico del perfil cultural by Amézquita Collazos, Edgar, Friesen, Dennis K., Scovino Sanz, JI

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Effects of improved pastures and phosphorus inputs on phosphorus transformations in a Colombian oxisol by Oberson, Astrid, Friesen, Dennis K., Tiessen, H., Moir, JO

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Opportunities for germplasm selection to influence phosphorus acquisition from low-phosphorus soils by Rao, Idupulapati M., Friesen, Dennis K., Horst, Walter J.

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Liming and lime-phosphorus-zinc interactions in two Nigerian Ultisols: I. Interactions in the soil by Friesen, Dennis K., Juo, A.S.R., Miller, M.H.

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Indicadores de sostenibilidad: parámetros edafoclimáticos y diagnóstico del perfil cultural by Amézquita Collazos, Edgar, Friesen, Dennis K., Sanz Scovino, José Ignacio

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Sustainability indicators: edaphoclimatic parameters and diagnosis of the cultural profile by Amézquita Collazos, Edgar, Friesen, Dennis K., Sanz Scovino, José Ignacio

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A cautionary note about the use of the CENTURY soil-organic-matter model for ecosystems on highly-weathered tropical low-P soils by Gijsman, A.J., Oberson, Astrid, Tiessen, H., Friesen, Dennis K.

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Relationship between the performance of parental inbred lines and hybrids for food-feed traits in maize (Zea mays L.) in Ethiopia by Ertiro, B.T., Zeleke, H., Friesen, Dennis K., Blümmel, Michael, Twumasi-Afriyie, S.

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Phosphorus transformations in an oxisol under contrasting land-use systems: The role of the soil microbial biomass by Oberson, Astrid, Friesen, Dennis K., Rao, Idupulapati M., Buhler, S, Frossard, Emmanuel

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Sequential phosphorus extraction of a 33P-labeled oxisol under contrasting agricultural systems by Buehler, S., Oberson, Astrid, Rao, Idupulapati M., Friesen, Dennis K., Frossard, Emmanuel

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Phosphorus transformations in an oxisol under contrasting agricultural systems: the role of the microbial biomass by Oberson, Astrid, Friesen, Dennis K., Rao, Idupulapati M., Buehler, S., Frossard, Emmanuel

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Destinos de fósforo aplicado como fertilizante en oxisoles de los Llanos Orientales de Colombia: fraccionamiento secuencial by Borrero, Gonzalo, Friesen, Dennis K., Oberson, Astrid, Rodríguez, M., Rao, Idupulapati M.

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Dinámicas de nitrógeno en monocultivos y cultivos en rotación en oxisoles de los Llanos Orientales de Colombia by Friesen, Dennis K., Thomas, Richard J., Rivera, M., Asakawa, N., Bowen, W.

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Phosphorus availability in casts of an anecic savanna earthworms in Colombian oxisol by Jiménez Jaén, J.J., Cepeda, A, Friesen, Dennis K., Decaëns, Thibaud, Oberson, Astrid

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