How to prevent corn stalk and corn mites

February 16, 2020

The phenomenon of empty stalks in corn has a direct relationship with environmental factors and planting density. To solve the problem of corn stalks, we should start with the establishment of good ecological conditions. 1. Choose high-yield, high-resistance varieties suitable for local planting. 2. Reasonable close planting, select appropriate planting density according to the characteristics of different varieties, make full use of fertilizer, water, light and heat resources to achieve high yield. 3. Strengthen field management, increase the application of organic fertilizer, balance the application of nitrogen, phosphorus and potassium fertilizers, and achieve the combination of organic and inorganic fertilizers. In the corn seedling stage, strengthen management, control large seedlings, promote seedlings, eliminate three types of seedlings, and make the corn population grow robust and tidy. In the flowering pollination period, if it is rainy and rainy, try to manually assist pollination. 4. Strengthen the construction of farmland irrigation and drainage facilities, improve the farmland infrastructure, and meet the standards for energy discharge. Use groundwater irrigation to solve the problem of high temperature and drought.
Aphids are also known as cotton mites. The adult sucks the juice on the leaf back and the tender stem, and the leaves of the damaged melon plant are curled up, and the melon seedlings are wilting and even dead. Old leaves suffer, early fall, shorten the result period, resulting in reduced production. For the control of corn aphids, it is possible to use 30% of the positive imidacloprid 3000-4000 times, or 70% of the imidacloprid 8000-10000 times spray control.
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