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Journal Article 2019-10

Autor: Nyawade, S. Karanja, N.N. Gachene, C.K.K. Gitari, H.I. Schulte-Geldermann, Elmar Parker, M.

Continuous cultivation of potato (Solanum tuberosum L.) in monoculture systems represents the greatest factor deteriorating soil organic matter (SOM) in smallholder farms. With an aim to breaking this norm, a 2-year field trial intercropping potato with two legumes: lima bean (Phaseolus lunatus) ...

Enlace original: https://cgspace.cgiar.org/handle/10568/102103

Investigación en Agricultura
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Nyawade, S. ,  Karanja, N.N. ,  Gachene, C.K.K. ,  Gitari, H.I. ,  Schulte-Geldermann, Elmar ,  Parker, M. ,  [Short-term dynamics of soil organic matter fractions and microbial activity in smallholder potato-legume intercropping systems.] ,  Short-term dynamics of soil organic matter fractions and microbial activity in smallholder potato-legume intercropping systems.
Journal Article 2018

Autor: Gitari, H.I. Gachene, C.K.K. Kamau, S. Nyawade, S. Sharma, K. Schulte-Geldermann, Elmar Karanja, N.

Even though potato (Solanum tuberosum L.)-based intercropping systems are widely practised in developing countries, only a few studies have focused on legumes as the companion intercrops. This study was conducted to assess the effect of incorporating legumes into the potato production system on g...

Enlace original: https://cgspace.cgiar.org/handle/10568/93377

Investigación en Agricultura
Enlace permanente
Gitari, H.I. ,  Gachene, C.K.K. ,  Kamau, S. ,  Nyawade, S. ,  Sharma, K. ,  Schulte-Geldermann, Elmar ,  Karanja, N. ,  [Optimizing yield and economic returns of rain-fed potato (Solanum tuberosum L.) through water conservation under potato-legume intercropping systems.] ,  Optimizing yield and economic returns of rain-fed potato (Solanum tuberosum L.) through water conservation under potato-legume intercropping systems.
Journal Article 2018

Autor: Nyawade, S. Karanja, N. Gachene, C.K.K. Schulte-Geldermann, Elmar Parker, M.

Soil erosion rates are exacerbated in sloping arable lands of Central Kenya due mainly to the high soil disturbance caused by potato hilling. A field study was conducted in runoff plots to quantify the effect of potato hilling on soil loss, soil moisture distribution and soil temperature. Three h...

Enlace original: https://cgspace.cgiar.org/handle/10568/96922

Investigación en Agricultura
Enlace permanente
Nyawade, S. ,  Karanja, N. ,  Gachene, C.K.K. ,  Schulte-Geldermann, Elmar ,  Parker, M. ,  [Effect of potato hilling on soil temperature, soil moisture distribution and sediment yield on a sloping terrain] ,  Effect of potato hilling on soil temperature, soil moisture distribution and sediment yield on a sloping terrain
Journal Article 2018

Autor: Gitari, H.I. Karanja, N. Gachene, C.K.K. Kamau, S. Sharma, K. Schulte-Geldermann, Elmar

Competition for nitrogen (N) and phosphorous (P) under potato-based intercropping systems decreases the level of nutrients available for potato and subsequently influences nitrogen and phosphorous use efficiency. A field trial was conducted for four consecutive seasons between 2014 short rains an...

Enlace original: https://cgspace.cgiar.org/handle/10568/92016

Investigación en Agricultura
Enlace permanente
Gitari, H.I. ,  Karanja, N. ,  Gachene, C.K.K. ,  Kamau, S. ,  Sharma, K. ,  Schulte-Geldermann, Elmar ,  [Nitrogen and phosphorous uptake by potato (Solanum tuberosum L.) and their use efficiency under potato-legume intercropping systems] ,  Nitrogen and phosphorous uptake by potato (Solanum tuberosum L.) and their use efficiency under potato-legume intercropping systems
Journal Article 2019-12

Autor: Gitari, H.I. Nyawade, S. Kamau, S. Karanja, N.N. Gachene, C.K.K. Schulte-Geldermann, Elmar

Phosphorus (P) is an essential element and its efficient use is of global importance. This study evaluated the effect of growing potato under legume intercrops on P uptake and use efficiency indices: P harvest index (PHI), P uptake efficiency (PuPE), P partial factor productivity (PPFP) and P par...

Enlace original: https://cgspace.cgiar.org/handle/10568/106273

Investigación en Agricultura
Enlace permanente
Gitari, H.I. ,  Nyawade, S. ,  Kamau, S. ,  Karanja, N.N. ,  Gachene, C.K.K. ,  Schulte-Geldermann, Elmar ,  [Agronomic assessment of phosphorus efficacy for potato (Solanum tuberosum L) under legume intercrops.] ,  Agronomic assessment of phosphorus efficacy for potato (Solanum tuberosum L) under legume intercrops.
Journal Article 2018-09

Autor: Nyawade, S. Karanja, N. Gachene, C.K.K. Parker, M. Schulte-Geldermann, Elmar

Soil organic matter (SOM) losses due to soil erosion may be considered low in continuous potato (Solanum tuberosum L.) cropping systems, but cumulated over time may cause considerable soil degradation. A field study was conducted in Kabete, Kenya, during the 2014 to 2015 rainy seasons to determin...

Enlace original: https://cgspace.cgiar.org/handle/10568/100355

Investigación en Agricultura
Enlace permanente
Nyawade, S. ,  Karanja, N. ,  Gachene, C.K.K. ,  Parker, M. ,  Schulte-Geldermann, Elmar ,  [Susceptibility of soil organic matter fractions to soil erosion under potato-legume intercropping systems in central Kenya] ,  Susceptibility of soil organic matter fractions to soil erosion under potato-legume intercropping systems in central Kenya
Journal Article 2019-09

Autor: Nyawade, S. Karanja, N. Gachene, C.K.K. Gitari, H.I. Schulte-Geldermann, Elmar Parker, M.

Integrating crop species with different photosynthetic pathways has great potential to increase efficiency in the use of scarce resources. In order to tap the resource complementarity emanating from this mix, this study intercropped potato (Solanum tuberosum L.) with lima bean (Phaseolus lunatas ...

Enlace original: https://cgspace.cgiar.org/handle/10568/103531

Investigación en Agricultura
Enlace permanente
Nyawade, S. ,  Karanja, N. ,  Gachene, C.K.K. ,  Gitari, H.I. ,  Schulte-Geldermann, Elmar ,  Parker, M. ,  [Intercropping optimizes soil temperature and increases crop water productivity and radiation use efficiency of rainfed potato.] ,  Intercropping optimizes soil temperature and increases crop water productivity and radiation use efficiency of rainfed potato.

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