This chapter discusses various sources of nutrients to be applied to prevent soil nutrient depletion, as well as the optimum rates, times and methods of their application. It also describes how computer models can predict site-specific nutrient requirements and balanced fertilizer rates to maximi...
Howeler, Reinhardt H.
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[Nutrient sources and their application in cassava cultivation]
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Nutrient sources and their application in cassava cultivation
The results are given of physicochemical analyses of soils and estimated cassava yields for five production zones in Colombia. There was little correlation between yield and the factors studied. Yields tended to increase as P increased; and there was a positive response to K in 2 zones and Ca/Mg ...
Díaz Duque, R.O.
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Howeler, Reinhardt H.
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Varon R, U
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[Evaluacion de los analisis de suelos de las zonas productoras de yuca en Colombia]
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Evaluacion de los analisis de suelos de las zonas productoras de yuca en Colombia
Cassava is drought-tolerant and grows reasonably well in relatively infertile soils where other crops would fail. However, production could be further increased if important soil-related constraints are addressed. In order to supply cassava plants with the nutrients required for optimal productio...
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.
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Howeler, Reinhardt H.
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Cadavid, L.F.
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[Anilisis economico de un ensayo de fertilizacion en yuca]
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Anilisis economico de un ensayo de fertilizacion en yuca