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Howeler, Reinhardt H.Kawano, KWatananonta, WTran Ngoc Ngoan[Working with farmers: Spreading new cassava varieties, improved practices ........ and new hope]Working with farmers: Spreading new cassava varieties, improved practices ........ and new hope

In May 1980 the soil section of CIAT's cassava program established a fertilization trial with 3 cassava var. [Barranquena (regional), M Col 113, and CMC 921 to measure its effect on yield and establish optimum levels from an economical point of view. The trial took place in Mondomito and Agua Bla...

En mayo de 1980 en la seccion de suelos del programa de yuca del CIAT se establecio un ensayo de fertilizacion con 3 var. de yuca (Barranquena (regional), M Col 113 y CMC 92) para medir su efecto en el rendimiento y establecer los niveles optimos desde el punto de vista economico. El ensayo se lo...


Díaz, R.O.Howeler, Reinhardt H.Cadavid, L.F.[Anilisis economico de un ensayo de fertilizacion en yuca]Anilisis economico de un ensayo de fertilizacion en yuca
Howeler, Reinhardt H.[The use of cassava roots and leaves for on-farm animal feeding: Proceedings of a regional workshop, held in Hue city, Thua Thien province, Vietnam, January 17-19,2005]The use of cassava roots and leaves for on-farm animal feeding: Proceedings of a regional workshop, held in Hue city, Thua Thien province, Vietnam, January 17-19,2005
Howeler, Reinhardt H.[Proceedings of the eighth symposium of the Internacional Society for tropical Root Crops: Theme "Tropical root and tuber crops changing role in a modern world". Oct 30-Nov 5,1988]Proceedings of the eighth symposium of the Internacional Society for tropical Root Crops: Theme "Tropical root and tuber crops changing role in a modern world". Oct 30-Nov 5,1988

Cassava (Manihot esculenta Crantz) was grown in the greenhouse and in the field at different levels of phosphorus applied, with or without inoculation with VA mycorrhiza in sterilized or unsterilized soil. When grown in a sterilized soil to which eight levels of P had been applied the non-inocula...


Howeler, Reinhardt H.Cadavid, L.F.Burckhardt, E[Response of cassava to VA mycorrhizal inoculation and phosphorus application in greenhouse and field experiments]Response of cassava to VA mycorrhizal inoculation and phosphorus application in greenhouse and field experiments

Howeler, Reinhardt H.[A new future for Cassava in Asia. Its use a food freed and fuel to benefit the poor]A new future for Cassava in Asia. Its use a food freed and fuel to benefit the poor
Howeler, Reinhardt H.[Regional Workshop on Cassava Breeding, Agronomy and Utilization Research in Asia (3, 1990, Malang, Indonesia). Cassava breeding, agronomy and utilization research in Asia: proceedings]Regional Workshop on Cassava Breeding, Agronomy and Utilization Research in Asia (3, 1990, Malang, Indonesia). Cassava breeding, agronomy and utilization research in Asia: proceedings
Howeler, Reinhardt H.Kawano, K[Regional Workshop on Cassava Breeding and Agronomy Research in Asia (1987, Rayong, Thailand). Cassava breeding and agronomy research in Asia : Proceedings of a regional workshop]Regional Workshop on Cassava Breeding and Agronomy Research in Asia (1987, Rayong, Thailand). Cassava breeding and agronomy research in Asia : Proceedings of a regional workshop

A three different sites with acid soils in Colombia field trials with cassava were monitored for frequency of VA mycorrhiza. Increasing levels of phosphorus (P) from 0 to 200 kg P/ha had been applied. The fields differed in the composition of species of VA mycorrhizal fungi. At all sites infectio...


Sieverding, EHoweler, Reinhardt H.[Influence of species of VA mycorrhizal fungi on cassava yield Response to phosphorus fertilization]Influence of species of VA mycorrhizal fungi on cassava yield Response to phosphorus fertilization

A technique to study mycorrhizal effects on growth and P-uptake of cassava (Manihot escultenta, Crantz) grown in flowing solution culture is described. Phosphorus concentrations were carefully maintained constant at 0.1, 1, 10 and 100 ?M by daily analyses and adjustment of the nutrient solutions....


Howeler, Reinhardt H.Edwards, D.Asher, CJ[Application of the flowing solution culture techniques to studies involving mycorrhizas]Application of the flowing solution culture techniques to studies involving mycorrhizas

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