TY - JOUR T1 - Plant- and microbial-based mechanisms to improve the agronomic effectiveness of phosphate rock: a review JO - Anais da Academia Brasileira de Ciências A1 - Arcand, Melissa M. A1 - Schneider, Kim D. SN - 0001-3765 UL - 10.1590/S0001-37652006000400013 VL - 78 Y1 - 2006 PB - Brasil ER -