Symptoms and Remedies for Manganism Deficiency in Cotton
Young leaves first appear in the veins between the dark green and light green stripes, the middle of the leaf is more obvious than the tip of the leaf. At the beginning of the tip, it is light green, and some small patches of spotting appear at the same time in the white stripe. Afterwards, the strips of dry tissue are connected and the leaves are split longitudinally.
Symptoms are prone to occur on the upper part of the bud and the young leaves of the flowering plants.
Induced conditions: pH>7, large sand, low organic matter content of the effective manganese content is low, excessive rainfall easily lost.
Fertilization method: The best application of the "Six-Fat Boiler King" is best, or use 0.2% manganese sulfate, or 0.5 to 1 package "Blue Crystal Code," or 600 times potassium permanganate, etc., at the seedling stage and early flowering stage. , spray each time.
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