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• Bragantia 25 (2) • 1966 • https://doi.org/10.1590/S0006-87051966000200008   copy

Effect of increasing doses of nitrogen, phosphorus and potassium on the yield of Arracacia Xanthorriza

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In a preliminary fertilizer trial with Arracacia xanthorrizaBank., conducted in the State of São Paulo, only phosphorus increased appreciably the root yield. The increase due to potassium was small. Nitrogen depressed the yield.

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