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Now showing items 11-20 of 56
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 ...
Morfología y anatomía de las semillas y plántulas de Eucalyptus intermedia R. T. Baker
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1982-07)
The morphology and anatomy of the seeds and the early development of Eucalyptus intermedia R. T Baker are described emphasizing the structure of the seed coat and embryo, with the purpose of providing the basis for their ...
Acumulación de materia seca y micronutrimentos de dos cultivares de yuca (Manihot esculenta Crantz)
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1981-01)
This paper deals with the results obtained in the determination of dry matter and macronutrients in cassava setts in several periods of the life cycle of the plant. It was shown that setts had a three fold increase in dry ...
Efectos de N, P y K en el contenido y producción de proteína en el sorgo para grano (Sorghum bicolor) en solución nutritiva
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1981-04)
Effects of N, P and K on protein contents and protein production of grain sorghum.
The experiment was designed to study the effects of nitrogen, phosphorus and potassium defficiences on protein contents of 5 grain sorghum ...
Medidas simultáneas del potencial de agua tanto en el suelo como en las hojas y raíces de plantas de maíz (Zea mays L.)
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1981-10)
Experiments were undertaken using growth chamber grown corn plants (Zea mays, L. ) hybrid "United 108," to characterize the relative magnitude of the water-potential in the soil and within the plant. Root water potential ...
Diagnosis foliar en la caña de azúcar. X. Efecto de la lluvia en los contenidos foliares de macronutrientes en la primera y segunda cosechas
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-01)
This paper deals with the effect of rainfall before the sampling date on the composition of the + 3 leaf of the sugar-cane plant. By analysing data found in the literature the increase in the percentage of macronutrients ...
Los perfiles de humedad vertical de hojas en una plantación de café
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-01)
This work studies the leaf wetness vertical profiles in a coffee crop. Visual observation of wetness was done at several heights on west and east faces of plants under recent low topping condition, on the west face of ...
Dinámica poblacional de Cosmopolites sordidus (Germ., 1824) (Col.: Curculionidae) en bananales del cv. Prata (Grupo AAB), en Alfredo Chaves, Espírito Santo
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-10)
This experiment was carried out in Alfredo Chaves, Espirito Santo State, Brazil, with the cultivar Prata, front 1977 to 1982, in order to study the effect of climatic elements on the movement of the adult Cosmopolites ...
Estudio taxonómico del género Coffea empleando métodos numéricos
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-10)
Using flavonoid and phenolic compound constituents, methods of numerical taxonomy were applied to ten species and some cultivars of three species of the genus Colica. The purpose was to investigate the genetic relatiottships ...
Broca del banano Cosmopolites sordidus (Germ. 1824) (Coleoptera: Curculionidae)
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1984-07)
The objective of this review is to improve the access to the literature on the subject to entomologic iworking in this area, specially to those that intend to know details about the specie Cosmopolites sordidus (Germ, 1824) ...