Search
Now showing items 1-10 of 23
Fertilización del cultivo de quinua [Chenopodium quinoa] en condiciones del Altiplano de Puno, Perú [fertilizantes NPK]
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-04)
The purpose of this study was to determine quinua (Chenopodium quinoa) yield responses to applications of N.P.K, in conditions of Puno Highlands, Peru. Quinua production was significantly increased by N applications, while ...
Menos escarabajos dañinos en frijol y caupí en cultivo asociado con banano en Costa Rica
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-04)
Pest beetles were sampled with a sweep net from beans and cowpeas growing in monoculture plots and in polyculture plots with banana in Costa Rica. There were approximately three times as many Diabrotica balteada and Cerotoma ...
Observaciones sobre la presencia de Exomalopsis pulchella Cresson, polinizador del tomate en Cuba; consecuencias para la producción de semillas
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-04)
Durante varias estancias en Cuba, hemos observado la actividad polinizadora de Exomalopsis pulchella sobre tomate (Lycopersicon esculentum). Las altas tasas de alogamia observadas en condiciones comparables con las de Cuba ...
Acumulación de prolina libre en plántulas de maíz y su relación con la resistencia a la sequía [Zea mays]
(Instituto Interamericano de Cooperación para la Agrícultura (IICA), 1980-04)
The rate of free proline accumulation in root apices of young corn seedlings was studied under drought conditions, in a wide renge of hybrids lines and populations. Accumulation rates encountered ranged from 3 times normal ...
Determinación cuantitativa de la floración en café Coffea arabica L
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-04)
A quantitative method is described for determining flowering in coffee. The size of each bloom is estimated visually with the aid of the following scale: 1-25%, 2-50%, 3-75% and 4-100% after a general survey of the planiation. ...
Nuevos libros de la serie de libros y materiales educativos
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-04)
Reseña de libros
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-04)
Liberación de protoplastos, reconstitución de la pared celular, proliferación del callo en tejidos de callo de Coffea arabica L.
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-04)
Uma metodologia para liberação e cultura de protoplastos de tecidos de café foi definida a fin de permitir a possibilidade de manipulação genética dentro do genero Coffea. Uma combinação de 2,5% Pectinase, 3,5 por cento, ...
Evaluación de los daños causados por el virus dorado del frijol (VMDF)
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-04)
Quantitative evaluation of losses caused by golden mosaic virus in beans (BGMV) is very difficult under field conditions due to the difficulty in having plots completely free of the disease for comparison with infected ...
Sistema radical de la caña de azúcar 'V58-4' a los seis y doce meses de edad en un suelo del orden Mollisol del Estado Portuguesa [Venezuela, Saccharum officinarum, raíces]
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-04)
The root system was studied in a sugar cane field, variety V 58-4, twelve and six months after germination. The soil is of the order Mollisol (Aquic Haplustoll) which is representative of the 26 per cent of the flat land ...