Zobrazeno 1 - 10 of 31 pro vyhledávání: '"W. K. Ng'etich"'
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Akademický článek
Impact of Nitrogen Fertilizer Applications on Surface Water Nitrate Levels within a Kenyan Tea Plantation
Autor: J. K. Maghanga, J. L. Kituyi, P. O. Kisinyo, W. K. Ng’etich
Publikováno v: Journal of Chemistry, Vol 2013 (2013)
Tea production in the Kenyan Rift Valley uses high rates of nitrogenous fertilizer. Nitrates can be discharged to water bodies through leaching and surface run-off. Nitrate levels above 10 mg/L NO3-–N cause methemoglobinemia which is fatal. A study
Externí odkaz: https://doaj.org/article/83a87acd18bb484a93722fdc048c7ad4
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2
Numerical modeling of translational dynamics for shallow landslides based on flume tests – special case of spherical-cap-shaped slope sections
Autor: J. Kanule, W. K. Ng'etich
Publikováno v: Geology, Ecology, and Landscapes, Vol 4, Iss 2, Pp 151-158 (2020)
Slope failures can endanger human life and cause infrastructural destruction and socioeconomic loss. Geoscientists have strived to develop constitutive models and real-time slope monitoring models and systems to abate these processes. Most research s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa17323b5114086e7bb5f36fa7a59a08
https://doaj.org/article/64ec49f65d8c405e80d8ef8f348e67ed
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Increased Maize Yields through the Transdisciplinary Process with Site Specific Fertilizer Recommendation in Small Holder Farms in Uasin Gishu County, Kenya
Autor: Arusey Chebet, Otinga A. Nekesa, Koech Julius, Ruth Njoroge, Roland W. Scholz, W. K. Ng'etich
Publikováno v: Journal of Experimental Agriculture International. :1-10
The objective of this study was to evaluate the effects of site-specific fertilizer recommendations on maize yield using the transdisciplinary (TD) process. 144 farmers participated in the study for the two seasons. Experiments were laid on the farme
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eebe0a319f90a95b4d22c9ce6597bcb7
https://doi.org/10.9734/jeai/2019/v34i130162
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4
Assessment of Effects of Zero and Conventional Tillage Practices on Soil Moisture and Wheat Grain Yield in Arid and Semi-Arid Land of Laikipia, Kenya
Autor: E.C Kipkorir, Mary W. Mutonga, W. K. Ng'etich
Publikováno v: Water Conservation Science and Engineering. 4:43-52
Soil water conservation through tillage is one appropriate way of addressing soil moisture deficit in rain-fed agriculture. The influence of zero and conventional tillage on soil moisture and yield of wheat was investigated in arid and semi-arid land
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1665c52f972913a87f5dd703029f421b
https://doi.org/10.1007/s41101-019-00067-4
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Efforts Toward Improving Maize Yields on Smallholder Farms in Uasin Gishu County, Kenya, through Site-specific, Soil-testing-based Fertiliser Recommendations: A Transdisciplinary Approach
Autor: Roland W. Scholz, Njoroge Ruth, Koech Julius, Arusey Chebet, W. K. Ng'etich, Otinga A. Nekesa
Publikováno v: East African Agricultural and Forestry Journal. 82:201-213
This study evaluated the effects of site-specific, soil-testing-based fertiliser recommendations on maize yields using the transdisciplinary (TD) process. The TD process utilizes knowledge from sci...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::faedba72d54cb92d017d50feb6c3e26e
https://doi.org/10.1080/00128325.2018.1443413
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9
Evaluating the effect of plant population densities and nitrogen application on the leaf area index of maize in a reclaimed wetland in Kenya
Autor: John Robert Okalebo, Hellen Kamiri, Catherine Waithira Njuguna, W. K. Ng'etich, Syphilline Kebeney
Publikováno v: Acta Universitatis Sapientiae: Agriculture and Environment, Vol 8, Iss 1, Pp 139-148 (2016)
Maize is the main staple food in Kenya with over 90% of Kenyans relying on it. While the annual national consumption is increasing, the production of this crop has been on the decline in the last two decades. Maize production in Kenya fell by 33.4% i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dcdf6bbb798a41f536d3cc19c712bf04
https://doi.org/10.1515/ausae-2016-0013
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Long-term assessment of soil and water conservation measures (Fanya-juu terraces) on soil organic matter in South Eastern Kenya
Autor: Mariana C. Rufino, Klaus Butterbach-Bahl, W. K. Ng'etich, John Robert Okalebo, Gustavo Saiz, Fredrick M. Wandera, David E. Pelster
Publikováno v: Geoderma. 274:1-9
A comprehensive assessment of soil organic matter (SOM) dynamics in semi-arid agrosystems implementing soil and water conservation (SWC) measures is still lacking despite their extent, ecological and economic significance. Therefore, we assessed the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::643b1371d1d32873f166509e33a17706
https://doi.org/10.1016/j.geoderma.2016.03.022
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