Molybdenum is an indispensable trace element in soybean. What is the usage of molybdenum fertilizer in soybean?

As an indispensable trace element for crop growth, molybdenum is needed by almost all crops. Among them, soybean, wheat, sunflower and other crops have great demand for molybdenum. The content of molybdenum in crops is not large, only beans and cruciferous crops need a lot of molybdenum, and the reaction is very sensitive. Other crops have no special reaction and no sensitive symptoms. Molybdenum is highly sensitive to peanuts, onions, spinach, lettuce, cauliflower and other crops. Moderately susceptible to diseases in rape, soybean, mung bean, pea, broad bean and other crops; It is insensitive to rice, wheat, corn, potato, cotton, fruit and other crops, lacking or not lacking, and the reaction is not obvious.

When crops lack molybdenum, they are prone to grain shortage. The symptoms of molybdenum deficiency in leguminous crops are similar to those of nitrogen deficiency, which is difficult to distinguish and easy to confuse. The symptoms of molybdenum deficiency in cruciferous plants are unique, especially rape and cauliflower. Leaves fall, and yellow-green bean orange spots are formed between veins of fallen leaves. Leaf margins curl, wither and die, leaves bend upward and wither, mature tip gray-blue wrinkles or spots die, veins and petioles are dry. The symptoms of molybdenum-deficient crops began to appear on old leaves, and later appeared on new leaves.

Molybdenum can promote the growth of new flowers and leaf buds, otherwise, the growth points will be necrotic, resulting in new buds and tender buds no longer growing, and the development of flowers will be seriously inhibited, which will hinder the production and pollination of pollen, resulting in incomplete grains, decreased quality and reduced yield. To sum up, only leguminous and cruciferous crops have symptoms of molybdenum fertilizer, while other crops have no obvious symptoms. Molybdenum fertilizer plays an important role in promoting the differentiation and reproductive growth of leaf buds and flower buds of crops, and also plays a very important role in improving grain fullness and yield of crops.

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