Potassium in the soil Before planting in the range from 0.27 to 0.33 after the treatment started. The slight increase in potassium By treatment 1. The amount of potassium is 0.85 and the second is the treatment of 4 treatments, 3 treatments 6 treatments 2 and the Treatment 5, respectively, in all three time periods. No statistical difference (> 0.05, ns).
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