Revistas: Recent submissions
Now showing items 211-220 of 3334
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Physiological studies on flowering in coffe under South Indian conditions, 2: Changes in water content, growth rate respiration and carbohydrate metabolism of flower buds during bud enlargement and anthesis
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1975-01-01)Se ha hecho un estudio comparativo de los cambios progresivos en el contenido de agua, tasa de crecimiento, respiración y metabolismo de carbohidratos, que ocurren en las yemas florales maduras (poco antes de las lluvias ... -
Studies on seedlings of Theobroma cacao L., variety F3 Amazon. I: Role of cotyledons in seedlings development
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1975-04)Los cotiledones de Theobroma cacao L., cultivar "F3 Amazon", están expuestos a varios riesgos durante el desarrollo de las plántulas. Estos riesgos, si no se controlan, pueden resultar en una alta tasa de mortalidad de ... -
Mineralización del carbono y nitrógeno y retención de humedad en suelos tratados con el alga Macrocystis pyrifera
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1975-04)Along the Chilean coast there are wide varieties of seadweeds, the Macrocystis genus being very abundant. Little or no research has been done concerning its use in agriculture or industry, although some farmers from southern ... -
Chemistry of Brazilian green coffee and the quality of the beverage, 5: Multiple linear regression analysis
Multiple linear regression analysis was performed to try to relate the quality of the coffee beverage to its chemical composition. Six samples of each beverage quality (Soft, Hard, Riada and Rio) were classified by ... -
Chemistry of brazilian green coffee and the quality of beverage, 4: Electrophoresis of proteins in agar-gel and its interaction with chlorogenic acids
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1975-01-01)Amostras de Coffea arabica "Mundo novo" coletada no Estado de Sao Paulo e Minas Gerais (Brasil) e classificadas quanto {hooka} qualidade da bebida, foram analisadas quanto ao comportamento eletroforético de suas proteínas ... -
Contenido y formas de arsénico en algunos suelos tropicales
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1975-01-01)Se analizaron algunos suelos latinoamericanos para determinar el contenido de arsénico total y sus diversas formas. Para los suelos de ceniza volcánica de Colombia y Costa Rica se encontró un promedio de 5,1 y 70 ppm de ... -
On the perils of environmentally friendly alternatives
(Elsevier, 2024-03-06)Environmentally friendly alternatives (EFA) are touted as a key component of a transition towards lowering the impact of human activity on the environment. Still, the environmental costs of these technologies are seldom ... -
Landscape connectivity in extensive livestock farming: an adaptive approach to the land sharing and land sparing dilemma
(2024-05-08)This study investigates the “land sharing” versus “land sparing” dilemma in the context of extensive cattle ranching in Chiapas, Mexico. Employing a comprehensive methodology that synthesizes various systems and uses a ... -
Notas y comentarios
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1975-04)En esta sección se publican notas de interés técnico sobre conferencias internacionales, programas de investigación, extensión y educación, nombramiento de personal directivo, organización de nuevas instituciones, distinciones ... -
Joint environmental and social benefits from diversified agriculture
(2024-04-04)Agricultural simplification continues to expand at the expense of more diverse forms of agriculture. This simplification, for example, in the form of intensively managed monocultures, poses a risk to keeping the world ...
