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Efecto de la temperatura del suelo y su oscilación sobre el crecimiento y la acumulación de nutrimentos en la parte aérea del café
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-07)
An apparatus was developed to control soil temperature inside experimental pots. The temperature was controlled in such a way as to imitate closely the continuous variation of the temperature of the top layers of the soil ...
Epoca de ataque de Acanthoscelides obtectus (Say, 1813) a la planta de frijol (Phaseolus vulgaris L.) bajo condiciones de campo
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-07)
With the objective of determining when bean (Phaseolus vulgaris L.) developing pods are more susceptible to infestation from Acanthoscelides obtectus Say, 1813), four separate infestations treatments were tested, under ...
Estudio comparativo de cultivares de repollo (Brassica oleracea L. var. capitata L.) para la producción de chucrute: ácidos orgánicos
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-01)
The objective of the present work was to verify organic acids production in a study carded on with 23 cabbage's cultivars, regarding sauerkraut production under natural fermentation
Through the obtained results was ...
Actividad reproductiva de tres cultivares de soya, por sección de la planta y estadios de desarrollo
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-01)
Caracterization of the reproductive activity of soybean cultivars Planalto, Br-4 and Salina, was performed by node, both for the main stein and branches. Condition for high yield was provided. This field experiment was ...
Determinación de S cambiable del suelo por el método colorimétrico del metiltimol azul
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-04)
Traditional methods Jim determinist the exchangeable S of soils lack sensitivity, reproducibility, and are too time consuming. The method described in this paper is more favorable. Blue methylthymol in a high pH (12.70) ...
Efecto de temperaturas supraóptimas sobre el sistema radical, el crecimiento y la absorción y translocación de nutrimentos en café cultivado en solución nutritiva
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-07)
Coffee seedlings, Coffey arabica cr. Casual, were grown in nutrient solution for a period of six months after germination, in six special containers, with 25 seedlings in each.
The temperature of the nutrient solution ...
Influencia de las bacterias lácticas mesófilas: Streptococcus cremoris, Streptococcus lactis, Streptococcus diacetilactis y Leuconostoc citrovorum sobre las características del queso tipo Minas. Nitrógeno soluble, nitrógeno no proteico e índice de maduración
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-10)
The objective of the present work was to compare the influence of some Mesophilic lactic acid bacteria: Streptococcus cremoris, S. lactis, S diacetilactis and Leuconostoc citrovorum, as they affect soluble nitrogen, non ...
Estudio comparativo de variedades del camote (Ipomoea batatas) para determinar su empleo en la industria de alimentos
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-10)
A comparative study of sweet potatoe varieties was conducted to estimate their utilization in food industry. Eighteen varieties were utilized in this study including varieties with pupl of different color (cream, orange ...
Fertilización foliar del frijol común (Phaseolus vulgaris L.): I. El efecto del tiempo de aplicación de nitrógeno
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-10)
To study the effects of foliar fertilization with nitrogen in different stages of plant growth, two field experiments were set out in a sandy loam soil. The first experiment was conducted during the wet season and the ...
Influencia de sustancias orgánicas en la persistencia del carbaril en suelos
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-10)
La degradación del carbaril, evaluada por la técnica de centelleo liquido fue estudiada en dos tipos de suelos tratados con diferentes fuentes de nutrimentos orgánicos.
Los resultados obtenidos muestran que después de 2 ...