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Now showing items 641-650 of 676
Intercambio P-OH en andosoles
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-04)
The release of OH groups and phosphate fixation on andosols soil samples were compared It is concluded that as the degree of wheathering increase, OH groups other than those of single coordination are involved in the ...
Estudios de control de insectos para la preservación del maíz opaco-2 almacenado, y efectos sobre su valor nutritivo.
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-01)
The present research was carried out to evaluate the effectiveness of three types of packaging materials and of six treatments on the control of insect infestation of Opaque-2 corn. The packaging materials employed were ...
Balance interno del agua en los tallos axilares de trigo bajo condiciones de déficit hídrico
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-01)
Existe escasa información acerca de la manera como el déficit hídrico afecta diferencialmente las hojas de los tallos axilares (macollas) y del tallo principal de la planta de trigo (Triticum aestivum).
Por ello, se ...
Aspectos de la nutrición nitrogenada de Paspalum notatum Flugge, en respuesta a fuentes de nitrógeno e inhibición de nitrificación.
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-01)
A greenhouse experiment was made to study the effects of NH4 or NO3 (single vs, split, 3x) application on growth and nitrogen (N) assimilation of Paspalum nota-turn Fhi,gge Light and temperature conditions over the ...
Distribución de materia seca en el frijol (Phaseolus vulgaris L.) bajo condiciones de campo
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-01)
This research was undertaken to determine the effect of plant density on the distribution of dry weight in the aboveground of four bean varieties (Phaseolus vulgaris L.).
The varieties Zacatecas 21-1-21, illichoacdn 12A-3, ...
Efecto de la densidad de siembra en la distribución de materia seca en la planta de frijol (Phaseolus vulgaris L.)
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-01)
The purpose of this study was to evaluate the effect of sowing at four different densities on the production of dry weight per square meter, dry weight per plant, and relative distribution of dry weight among different ...
Efecto de la densidad de siembra sobre algunas características morfológicas y el rendimiento en frijol común (Phaseolus vulgaris L.)
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-01)
During the second semester of 1976, four varieties of common bean (Phaseolus vulgaris L.) of indetermined habit were sown at four densities; 6, 12, 14 and 48 x 104 plants/ha in a suitable site.
The varieties sown were Ica ...
Características del palmito fresco y procesado al horno de la palma de pejibaye (Bactris gasipaes)
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-01)
Some physical characteristics and chemical composition of the raw and oven baked heart (palmito) of pejibaye palm {Bactris gasipaes H B. K.) are reported.
The weight yield per unit of length (ke/m) was found to be closely ...
Elementos prioritarios en la nutrición mineral de Leucaena leucocephala (Lam) de wit en un suelo ácido de Costa Rica
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-01)
The response of Leucaena leucocephala (Lam) de Wit cv. Peri to different nutrients in an acid soil of Costa Rica was evaluated in a glasshouse experiment, using the missing or additive element technique. Fourteen treatments ...
Actividad fito-estrogénica del trébol blanco in vitro e in vivo y su fluctuación en relación a variables climáticas. Estado metabólico y fermentación ruminal
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-04)
There is no clear understanding of estrogen activity in white clover, nor its effects on animal fertiłity. Because this plant is a major protein source for livestock in Latin America, estrogen activity was measured during ...