Critical levels and fertility classes of soils with high-activity clay in the Brazilian semi-arid region.
2024
SOUZA, H. A. DE | LIMA NETO, A. J. DE | POMPEU, R. C. F. F. | GUEDES, F. L. | TONUCCI, R. G. | CAVALCANTE, A. C. R. | NATALE, W. | VALLADARES, G. S. | ESCOBAR, M. E. O. | RODRIGUES, H. C. DE A. | ANDRADE, H. A. F. DE | OLIVEIRA JUNIOR, J. O. L. DE | SAGRILO, E. | HENRIQUE ANTUNES DE SOUZA, CPAMN; ANTONIO JOÃO DE LIMA NETO, UNIVERSIDADE FEDERAL DO CEARÁ; ROBERTO CLAUDIO FERNANDES F POMPEU, CNPC; FERNANDO LISBOA GUEDES, CNPC; RAFAEL GONCALVES TONUCCI, CNPC/ CNPGL; ANA CLARA RODRIGUES CAVALCANTE, CNPC; WILLIAM NATALE, UNIVERSIDADE FEDERAL DE SANTA MARIA; GUSTAVO SOUZA VALLADARES, UNIVERSIDADE FEDERAL DO PIAUÍ; MARIA EUGÊNIA ORTIZ ESCOBAR, UNIVERSIDADE FEDERAL DO CEARÁ; HELEN CRISTINA DE ARRUDA RODRIGUES, UNIVERSIDADE ESTADUAL DO PIAUÍ; HOSANA AGUIAR FREITAS DE ANDRADE, UNIVERSIDADE FEDERAL DO PIAUÍ; JOSE OSCAR LUSTOSA DE OLIVEIRA JUNIOR, CPAMN; EDVALDO SAGRILO, CPAMN.
Soil fertility evaluation is important for adopting conservation management and adequate nutrient supply. The objective of this study was to identify critical levels and soil fertility classes using the boundary line method for rainfed crops (corn, cowpea and sabiá [Mimosa caesalpiniifolia]) in the Brazilian semi-arid region.
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