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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
Oberson, AstridNesper, MaikeBünemann, Else K.Fonte, Steven J.Rao, Idupulapati M.Velásquez, Jaime E.Ramírez, BerthaHegglin, DjangoFrossard, Emmanuel[Pasture degradation affects forms and distribution of phosphorus in aggregates of tropical soils]Pasture degradation affects forms and distribution of phosphorus in aggregates of tropical soils

Buehler, S.Oberson, AstridRao, Idupulapati M.Frossard, Emmanuel[Sequential phosphorus extraction of a 33P labelled soil]Sequential phosphorus extraction of a 33P labelled soil

Cajiao V., César HernandoCastro, AracelyRao, Idupulapati M.Beebe, Stephen E.[Líneas de frijol con tolerancia a bajo fósforo y su evaluación en Centroamérica]Líneas de frijol con tolerancia a bajo fósforo y su evaluación en Centroamérica

Characteristics of the major soil groups found in bean-growing areas of Africa (Alfisols, Ultisols, Oxisols, Inceptisols) and associated nutritional disorders are discussed. Soil fertility factors affecting bean growth and N fixation, as evidenced in research conducted in Africa, are reviewed as ...


Mughogho, SKWortmann, Charles S.[Diagnosis of soil fertility constraints in bean based cropping systems: review of research results]Diagnosis of soil fertility constraints in bean based cropping systems: review of research results

Results of research work carried out in Africa on the response of beans to NPK fertilizers, liming, S and other secondary/micronutrients, and organic manures are reviewed. Band or spot placement of P, fertilizer management in multiple crop systems, and correlations between soil data, yields, and ...


Wortmann, Charles S.Zake, JYK[Review of bean responses to applied fertilizers in Africa]Review of bean responses to applied fertilizers in Africa
Martínez, A.León Sarmiento, Luis AlfredoNavas Alvarado, J[Uso potencial de rocas fosfóricas y de rocas fosfóricas parcialmente aciduladas en la agricultura colombiana]Uso potencial de rocas fosfóricas y de rocas fosfóricas parcialmente aciduladas en la agricultura colombiana
Cobo Borrero, Juan G.Dercon, G.Delve, Robert J.Cadisch, Georg[Assessing the variability of soil quality and crop productivity at different spatial scales in three settlement schemes in NE Zimbabwe by integrating mid-infrared spectroscopy and geostatistical tools]Assessing the variability of soil quality and crop productivity at different spatial scales in three settlement schemes in NE Zimbabwe by integrating mid-infrared spectroscopy and geostatistical tools
Beebe, Stephen E.Rao, Idupulapati M.[Breeding for tolerance to low soil phosphorus: the example of common bean]Breeding for tolerance to low soil phosphorus: the example of common bean

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