Single Super Application Rates
Single Super Fertiliser (SSP) used to be generally spread at a hundred weigh per acre (CWT) on pastures. The following helps you convert these imperial fertiliser application rates into metric and compare other various phosphate fertilisers. 1 CWT/acre = 125kg/ac of Single (~309kg/ha) Equivalent phosphorous application rates (125kg/ha) using other available phosphate fertilisers: Double
