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Response of cassava to mineral fertilizers and to methods of applying K in low fertility soils



Response of cassava to mineral fertilizers and to methods of applying K in low fertility soils



Pesquisa Agropecuaria Brasileira, Agronomia 9(9): 1-9



In field trials at 7 sites in Rio de Janeiro State during 1968-72 to study the effect of N, P and K and of methods of applying K on cassava yield, yield responses at 2 sites were not statistically significant. At the remaining 5 sites, P was the main factor limiting yield. Application of 40 kg P2O5/ha increased tuber yields by an average of 86%; with an additional 40 kg P2O5/ha the average increase in yield was only 8%.

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Accession: 000485552

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