Phosphate (P2O5) and potash (K2O) guidelines are given in Table 5-4 and Table 5-5. These guidelines are based on OMAFRA-accredited soil tests using the sufficiency approach, which applies the most economic rate of nutrients for a given crop year. For information on the use of these tables or if an OMAFRA-accredited soil test is unavailable, … Continue reading Phosphate and Potash […]
