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Pasture and livestock investigations in the humid tropics, Orinoco Delta, Venezuela. 2. Fertilizer trials with introduced forage grasses



Pasture and livestock investigations in the humid tropics, Orinoco Delta, Venezuela. 2. Fertilizer trials with introduced forage grasses



Publication, IRI Research Institute, Inc (43): 59



The major limiting nutrient to maximum yields on the Delta soils was N. Next in importance came P and K, but to a much lesser degree than N. No significant reponse to Ca or trace elements was found on any soil. During the first year of pasture establishment N fertilizing was either unnecessary, or necessary only at rates of up to 400 kg/ha on the less fertile soils. On the latter, increasing the applications to 600-800 kg/ha would suffice to maintain yields in the third and fourth years.

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Accession: 000453294

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