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Se describen los resultados obtenidos durante 1981 por la seccion de Fertilidad del Suelo y Nutricion de Plantas del Programa de Pastos Tropicales del CIAT, cuyo objetivo es el uso mas eficiente de los escasos insumos fertilizantes mediante el establecimiento de especies y ecotipos de pastos que ...


International Center for Tropical Agriculture[Soil fertility and plant nutrition]Soil fertility and plant nutrition

Salinas, José G.Sanz Scovino, José IgnacioGarcía, Ramiro[Síntomas foliares de deficiencias y toxicidades minerales en pastos tropicales]Síntomas foliares de deficiencias y toxicidades minerales en pastos tropicales

A breeding program to select low-mimosine lines of leucaena has been in progress since 1970. Selections were evaluated in two field trials at Lansdown. Although the low-mimosine selections did indeed have lower mimosine than the control cultivars, their dry matter yield was also inferior (about t...


Bray, RAHutton, EMBeattie, WM[Breeding Leucaena for low-mimosine: Field evaluation of selections]Breeding Leucaena for low-mimosine: Field evaluation of selections

Common bean (Phaseolus vulgaris L.) proved to be very sensitive of low pH (4.3), with large genotypic differences in proton sensitivity. Therefore, proton toxicity did not allow the screening of common bean genotypes for aluminium (Al) resistance using the established protocol for maize (0.5 mM C...


Rangel Becerra, AFMobin, MRao, Idupulapati M.Horst, Walter J.[Proton toxicity interferes with the screening of common bean (Phaseolus vulgaris L.) genotypes for aluminium resistance in nutrient solution]Proton toxicity interferes with the screening of common bean (Phaseolus vulgaris L.) genotypes for aluminium resistance in nutrient solution

The creation of an advanced cassava research network, through the identification of key constraints in cassava production and processing that could be managed through a multidisciplinary, interrelated network approach, was discussed at this workshop. Priorities were set and potential projects tha...


Narro León, LAPandey, SiPérez Velásquez, Juan Carlos[Compendio de la tolerancia de maíz a suelos ácidos]Compendio de la tolerancia de maíz a suelos ácidos
Flor Montoya, Carlos A.[El diagnóstico de problemas en arroz y su aplicación a los problemas de fertilidad de suelos]El diagnóstico de problemas en arroz y su aplicación a los problemas de fertilidad de suelos

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