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Howeler, Reinhardt H.[Nutrición mineral y fertilización de la yuca (manihot esculenta crantz)]Nutrición mineral y fertilización de la yuca (manihot esculenta crantz)

Huang, JLi, KZhang, WLin, XHoweler, Reinhardt H.[Practices and progress in farmer participatory research in China]Practices and progress in farmer participatory research in China

Howeler, Reinhardt H.[Sustaining cassava farmers and our earth: background of the Nippon Foundation project in Asia]Sustaining cassava farmers and our earth: background of the Nippon Foundation project in Asia

Watananonta, WVongkasem, WilawanKlakhaeng, Kaival I.Howeler, Reinhardt H.[Farmer participatory research activities in the Nippon Foundation cassava project in Thailand]Farmer participatory research activities in the Nippon Foundation cassava project 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

During the past decade (1990-2000) the area planted to cassava in most countries in Asia has generally decreased, while production has remained stable or also decreased. Cassava yields have increased mainly in India, Indonesia and China but remained nearly the same in Malaysia, Thailand and the P...


Howeler, Reinhardt H.[Cassava agronomy research in Asia: Has it benefitted cassava farmers?]Cassava agronomy research in Asia: Has it benefitted cassava farmers?

Spain, James M.Howeler, Reinhardt H.Rodríguez, M.[Ensayos de fertilización en arroz en Carimagua, Llanos Orientales]Ensayos de fertilización en arroz en Carimagua, Llanos Orientales

Howeler, Reinhardt H.Tongglum, AnuchitJantawat, SUtomo, Wani Hadi[The use of forages of soil fertility maintenance and erosion control in cassava in Asia]The use of forages of soil fertility maintenance and erosion control in cassava in Asia

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