Agronomic effectiveness of rock phosphates for corrective fertilization of an Oxisol from brazilian savanna cultivated with maize and common beans.

CARVALHO, M. da C. S.; NASCENTE, A. S. S.; FAGERIA, N. K.; OLIVEIRA JÚNIOR, A. de; MARIA DA CONCEIÇÃO SANTANA CARVALHO, CNPAF; ADRIANO STEPHAN NASCENTE, CNPAF; NAND KUMAR FAGERIA, CNPAF; ADILSON DE OLIVEIRA JUNIOR, CNPSO.

Agronomic effectiveness of rock phosphates for corrective fertilization of an Oxisol from brazilian savanna cultivated with maize and common beans.

2014

CARVALHO, M. da C. S. | NASCENTE, A. S. S. | FAGERIA, N. K. | OLIVEIRA JÚNIOR, A. de | MARIA DA CONCEIÇÃO SANTANA CARVALHO, CNPAF; ADRIANO STEPHAN NASCENTE, CNPAF; NAND KUMAR FAGERIA, CNPAF; ADILSON DE OLIVEIRA JUNIOR, CNPSO.

Due to the inherently low content and high degree of phosphorus fixation in the most part of Brazilian Savanna soils, Phosphorus fertilization is essential to attend crop demands. The fully acidulated phosphates are the main sources of Phosphorus used in Brazil, which more than half are imported. The study of the feasibility of using rock phosphates available regionally in Brazil could be an important strategy for reducing the amount of applied soluble phosphates.

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