90-35-210: How to recover your “second harvest”
After your combine harvests a 200-bu. corn crop, it leaves behind stalks and leaves containing 90 lbs. of nitrogen, 35 pounds of phosphorus and 210 pounds of potassium. On top of that, the residue is locking up 39 lbs. of calcium, 28 lbs. of magnesium and 18 lbs. of sulfur. There’s also a wide array […]
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