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Díaz Duque, R.O.Howeler, Reinhardt H.Cadavid López, Luis Fernando[Análisis económico de un ensayo de fertilización en yuca]Análisis económico de un ensayo de fertilización en yuca
Howeler, Reinhardt H.[Effect of cassava production on soil fertility and the long-term fertilizer requirements to maintain high yields]Effect of cassava production on soil fertility and the long-term fertilizer requirements to maintain high yields
Howeler, Reinhardt H.[Características químicas de los suelos del Centro Internacional de Agricultura Tropical-CIAT y recomendaciones sobre su manejo y fertilización para los cultivos de yuca y fríjol]Características químicas de los suelos del Centro Internacional de Agricultura Tropical-CIAT y recomendaciones sobre su manejo y fertilización para los cultivos de yuca y fríjol

Howeler, Reinhardt H.[A participatory and inter-institutional projects to enhance the sustainability of cassava production in Thailand, Vientam and China : Its impact on soil erosion and farmers` income]A participatory and inter-institutional projects to enhance the sustainability of cassava production in Thailand, Vientam and China : Its impact on soil erosion and farmers` income

Watananonta, WVongkasem, WilawanKlakhaeng, Kaival I.Howeler, Reinhardt H.[The use of farmer participatory approach in the development of technologies to control erosion for sustainable cassava production in Thailand]The use of farmer participatory approach in the development of technologies to control erosion for sustainable cassava production in Thailand

Cassava agronomy research in Thailand during 1994-1996 emphasized mainly erosion control, soil fertility maintenance and weed control. Regarding soil erosion control, the planting of cassava in April, at the start of the rainy season, and harvesting in March resulted in the highest soil loss comp...


Tongglum, AnuchitPornpromprathan, V.Paisarncharoen, K.Wongviwatchai, C.Sittibusaya, C.Jantawat, SomjateNual-on, THoweler, Reinhardt H.[Recent progress in cassava agronomy research in Thailand]Recent progress in cassava agronomy research in Thailand

During the past three years (1993-1996), cassava agronomy research, conducted by national programs in collaboration with CIAT and with financial support from the Nippon Foundation in Japan, continued as before but at a slightly lower level of activity. Major emphasis remained on soil fertility ma...


Howeler, Reinhardt H.[Cassava agronomy research in Asia: An overview 1993-1996]Cassava agronomy research in Asia: An overview 1993-1996

Since 1987 cassava agronomy research has been conducted by scientists from national cassava programs in Asia in collaboration and with small financial assistance from the CIAT cassava program. This paper summarizes and pulls together the results obtained, mainly corresponding to the period of 149...


Howeler, Reinhardt H.[Agronomy research in the Asian cassava network: Towards better production without soil degradation]Agronomy research in the Asian cassava network: Towards better production without soil degradation

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