In the chemical age of agriculture that began in the 1960s, potassium chloride (KCl), the common salt often referred to as potash, is widely used as a major fertilizer in the Corn Belt without regard ...

The University of Delaware (UD) has rated soils in terms of the likelihood of profitable responses to additions of phosphorus (P) and potassium (K) from fertilizers, manures, and other soil amendments ...

Your soil is most depleted after a full season of crop demand, making fall ideal for testing. In milder western regions, soil biology remains active until hard freezes, and winter amendments can begin ...

The high price of potash has many soybean producers questioning whether they can eliminate spring potash applications without adversely affecting short-term or long-term yields. Hopefully, most ...

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During a field day, a farmer asked Ken Ferrie, “Can a soil test help determine the need for a fungicide application, and does healthy soil correlate with less need for fungicide?” To find answers to ...