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El trabajo realizado por CORPOICA y el CIAT, en el pasado permitió mejorar las condiciones físicas y químicas de los suelos de la Altillanura y hoy se retoma esa tarea en fincas donde se llevan a cabo los ensayos de capa productiva.


International Center for Tropical Agriculture[Efectos del trabajo en capa productiva del suelo]Efectos del trabajo en capa productiva del suelo
Okeyo, Jeremiah M.Norton, JayKoala, SaidouWaswa, Boaz S.Kihara, JobBationo, B. André[Impact of reduced tillage and crop residue management on soil properties and crop yields in a long-term trial in western Kenya]Impact of reduced tillage and crop residue management on soil properties and crop yields in a long-term trial in western Kenya

Several spatial analyses of neighboring plots are now available for improving the precision of variety trials. The objective of this study was to evaluate the efficiency of three commonly used spatial analyses, a nearest neighbor adjustment (NNA), a least squares smoothing (LSS), and a first-orde...


Yang, R.C.Ye, T.Z.Blade, S.F.Bandara, M.[Efficiency of spatial analyses of field pea variety trials]Efficiency of spatial analyses of field pea variety trials

In Nigeria, increased land-use intensity has depressed the use of fallow for soil fertility restoration. Crop yields have fallen, threatening food security. High cost limits farmers’ access to fertilizers. Reliance on crop-livestock interaction is plausible because animals provide manure. This pa...


Chianu, J.N.Tsujii, H.Manyong, Victor M.[Crop-livestock interaction in the savannas of Nigeria: nature and determinants of farmer decision to use manure for soil fertility maintenance]Crop-livestock interaction in the savannas of Nigeria: nature and determinants of farmer decision to use manure for soil fertility maintenance
Adolwa, Ivan S.Okoth, Peter F.Mulwa, Richard M.Esilaba, Anthony O.Mairura, Franklin S.Nambiro, Elizabeth[Analysis of communication and dissemination channels influencing the adoption of integrated soil fertility management in western Kenya]Analysis of communication and dissemination channels influencing the adoption of integrated soil fertility management in western Kenya
Fonte, Steven J.Vanek, Steven J.Oyarzun, PedroParsa, SoroushQuintero, Diana CarolinaRao, Idupulapati M.Lavelle, Patrick M.[Pathways to agroecological intensification of soil fertility management by smallholder farmers in the Andean highlands]Pathways to agroecological intensification of soil fertility management by smallholder farmers in the Andean highlands

Esipisu, I.[Quality and yield: supporting smallholder farmers’ decisions on top quality commercial products]Quality and yield: supporting smallholder farmers’ decisions on top quality commercial products

Etyang, T.B.Okello, J.J.Zingore, ShamieOkth, P.F.Mairura, Franklin S.Mureith, A.Waswa, Boaz S.[Exploring relevance of agro input dealers in disseminating and communicating of soil fertility management knowledge: The case of Siaya and Trans Nzoia counties, Kenya.]Exploring relevance of agro input dealers in disseminating and communicating of soil fertility management knowledge: The case of Siaya and Trans Nzoia counties, Kenya.

This paper reviews the results of past research conducted from 1965 to 2000 in two major cassava growing areas, the northeastern and eastern parts of Thailand. This research was carried out by the Field Crops Research Institute, Department of Agriculture (DOA), in collaboration with Kasetsart Uni...


Tongglum, AnuchitSuriyapan, PreechaHoweler, Reinhardt H.[Cassava agronomy research and adoption of improved practices in Thailand: Major achievements during the past 35 years]Cassava agronomy research and adoption of improved practices in Thailand: Major achievements during the past 35 years
Mutegi, Edwin MwitiBiu Kung'u , JamesMucheru-Muna, M.Pieter, PypersMugendi, Daniel Njiru[Complementary effects of organic and mineral fertilizers on maize production in the smallholder farms of Meru South District, Kenya]Complementary effects of organic and mineral fertilizers on maize production in the smallholder farms of Meru South District, Kenya

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