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Shijiazhuang Standard Imp&exp Co.,Ltd.
After seedling cotton sowing and covering with soil, with copper noble 27.12% basic copper sulfate suspension 600 to 800 times liquid pouring, disinfection of seedbed soil, can effectively prevent soil-borne diseases. When the cotton seedlings are flush and the cotyledons are spread flat, the noble copper 27.12% basic copper sulphate suspending agent is used to spray 1000 times, which can effectively prevent cotton seedling blight, anthracnose, and other seedling diseases. Three to five days before transplanting, the cotton seedlings are sprayed with a noble copper 27.12% basic copper sulfate suspension 1000 times to ensure that transplanted cotton seedlings do not become infected and improve the survival rate of transplanting.
Field cropping of cotton with Verticillium wilt is a systemic soil-borne disease, and when the temperature and humidity are suitable, the pathogen is easy to infect. After the cotton seedling is infected, it can be sprayed with copper noble liquid 27.12% basic sulfuric acid copper sulfate suspension 600-800 times in the early stage of disease, and once every 7-10 days. Plants with severe disease can be rooted with a copper noble 27.12% basic copper sulfate suspension 500 times. Cotton leaf spot disease is mostly caused by bacterial infection after flooding. In the early stage of disease, copper is sprayed with a noble 27.12% basic sulfuric acid copper sulfate suspension, which can effectively control the spread of disease.
The drug has no systemic absorption, and the growth of cotton plants will not be inhibited due to excessive use times. The adsorption force and permeability are strong and the effective period is more than 20 days. Early medication is better for prevention. The drug has good compounding property and can be mixed with non-acidic, strong alkali fungicides and insecticides, but can not be mixed with domestic KH2PO4. If necessary, it can be used with New Zealand Mutlijia (high content foliar potassium fertilizer. , and contains nitrogen, phosphorus and trace elements) or high-quality foliar fertilizers and conditioners.
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