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Efecto de la fertilización nitrógeno-fosfatada sobre el crecimiento otoño-invernal y la absorción de fósforo en tepes de un pastizal natural.
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-07)
The effect of fertilization with triple superphosphate and ammonium sulfate on the botanical composition and thy matter production in pods of a pasture of naturalized species was studied during an autum-winter period. The ...
Relaciones fósforo-zinc en tres suelos ácidos de Costa Rica, 2: absorción de los elementos por tomate [Lycopersicon esculentum] en el invernadero.
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-07)
In a greenhouse experiment with tomato as indicator plant and using three acid, low Zn soils from Costa Rica the effects were studied of four P levels (zero, sufficient to supply 36 ug/ml of available P, twice and four ...