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Figure 3. A multi-year Purdue study found that the highest alfalfa yields were recorded when fertilizer rates were 50 pounds of P 2 O 5 per acre per year, and 200 pounds or more of K 2 O per acre per year.igure 3. A multi-year Purdue study found that the highest alfalfa yields were recorded when fertilizer rates were 50 pounds of P 2 O 5 per acre per year, and 200 pounds or more of K 2 O per acre per year.
Use alfalfa for plant and microorganism nutrition. High in Vitamin A, plus Thiamine, Riboflavin, Pantothenic Acid, Niacin, Pyridoxine, Choline, Proline, Bentaine, Folic Acid, Nitrogen, Phosphorous, Calcium, Magnesium and other valuable minerals.