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Phosphorus and zinc deficiency in Andhra Pradesh


, : Phosphorus and zinc deficiency in Andhra Pradesh. Indian Farming 21(2): 35-37

In trials with rice on farms in 6 villages in Andhra Pradesh, increases in paddy yields resulting from the application of 30 lb P2O5/ac were markedly higher than those obtained by the application of 45 lb N/ac; the highest yields were obtained by the application of N + P and yields on plots given no fertilizer were negligible.

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