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Why Are Sesame Plants Afraid of Continuous Cropping? An Analysis of the Causes of Continuous Cropping Harm
1. The key lies in timely topping. Usually, spring sesame retains the first pair of true leaves, and summer sesame retains the second pair of true leaves. Experiments have shown that this is the best time for topping, inducing a double-stem rate of 100%. The specific timing is: when the second pair of true leaves of spring sesame is half-unfolded, and when the third pair of true leaves of summer sesame is half-unfolded, with an interval of about one week...