Search
Now showing items 1-4 of 4
Evaluación del efecto de dosis crecientes de nitrato sobre la actividad de la reductasa del nitrato; nitrógeno derivado del fertilizante en cafeto
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-01)
Defficient Coffea arabica L. plants were treated with CaNO, (114%15N) in doses ranging from 25 to 200 kg/ha of N The effect of the treatments on the activity of nitrate reductase and on Nitrate Assimilation Potential was ...
Temperatura do ar em cafezal
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-01)
This paper studies the thermal 1egime of añ inside an unshaded conventional coffee crop.
Measmements were made al five levels corresponding lo 20, 40, 60, 80 and 100 per cent of mean crop height.
Air temperature inside ...
Effect of infesting green coffee berries with different population levels of Antestiopsis lineaticollis Stal (Heteroptera: pentatomidae) in Kenya
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1980-01)
Al poner en jaulas machos y hembras de Antestiopsis lineaticollis en poblaciones de 0, 2, 4, 6 y 8 por jaula sobre frutos de café resultó en una caída de cerezas de 7 a 35 por ciento en las diferentes poblaciones. Los ...
Molhamento foliar em cafezal recepado e decotado
(1980-01)
This paper reports on the study of the beginning termination and duration of the active period of leaf wetness in the coffee. Surface wetness was observed in two plots a vranged in a north-south orientation, on the sides ...