What are the symptoms of corn deficiency in the absence of trace elements? Corn is the main food and cash crop in the north. In recent years, the fertilization method has changed a lot. It is found that the various symptoms of corn before it is actually caused by the lack of trace elements in the soil. What are the symptoms of corn lacking trace elements? If corn lacks trace elements during growth and development, it will show various symptoms, how to judge the lack of elements according to the symptoms and make a remedy. This is a corn cultivation. Important technology.
In the zinc-deficient seedling stage, the young leaves were light yellow and even white seedlings were formed. The leaves of the old leaves lacking molybdenum turned green and yellow, and the leaves were curled inward and curled, and the kernels shrunk. The leaves of the new iron-deficient leaves were chlorotic and yellow, and the veins remained green and showed a stripe shape. The stems and sheaths were purple-red. The young leaves lacking boron can not be opened and whitish, gradually withering and dying. There are white streaks between the veins of the old leaves, and the plants are short and thin.
What are the symptoms of lack of trace elements in corn? The symptoms of Mn deficiency often start from the new leaves, the young leaves turn yellow, there are green spots between the veins, the leaves are soft and the roots are slender and white. The copper-deficient plants grow slowly and are short, and the tops form clusters when they die. The leaves are grayish yellow or red and yellow with white spots, and the ear development is poor.
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