Use of reactive phosphate rocks as fertilizer on acid
· A pot experiment was conducted to study the contribution of reactive phosphate rocks RPRs on the accumulation of Cd and Zn in 10 acid upland soils in Indonesia and shoots of Zea mays plants grown on these soils Two types of RPR were used at a rate of g kg soil 1 RPRL containing 4 mg Cd kg 1 and 224 mg Zn kg 1 and RPRH containing 69 mg Cd kg …