Soil School: Soil tests show P, K and S levels trending lower as removal rates exceed replacement
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Soil test results from across North America show levels of several key crop nutrients are generally trending lower — a sign that nutrient removal rates are exceeding the replacement of those macronutrients, potentially limiting crop yields. For example, 46 per cent of soil samples from across North America tested below the critical level of phosphorus... Read More
Soil School: Soil tests show P, K and S levels trending lower as removal rates exceed replacement