Spraying at the early stage of disease: 4000 times of streptomycin-soluble powder for 72% of agricultural use, or 300 times for 14% of ammonia solution, or 600 times for 50% of methorus copper wettable powder. Since the disease is often accompanied by an epidemic at the time of onset, a 600-fold solution of 72% Kelu wettable powder was applied alternately. Once every 7 to 10 days, spray 3 to 4 times.
Corn, also known as wheat, maize, grain, it is one of the world's three major food crops, planting area and yield after rice and wheat, ranked third.More because of good mouth, high heat, large yield, and is widely used in a variety of livestock feed, thus known as the "King of Feed", in addition, corn is also the three food crops most suitable for industrial raw material crops, its processing of industrial products as high as more than 3000 kinds.
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