An Indicator for Risk of Phosphorus Loss from Sandy Soils

Sandy soils common in Florida have a low capacity to retain phosphorus (P), increasing the risk of P loss to water resources. This publication presents a practical indicator that combines soil test P with soil P retention properties to better assess the environmental risk of P loss. The indicator helps identify sites where P movement below the root zone is more likely and supports improved fertilizer management decisions. Its use promotes nutrient stewardship while maintaining crop productivity and protecting water quality.