Dingmin Pharmaceutical supply Abiraterone Acetate API and Abiraterone Acetate Intermediates with high purity and best price. The main products CAS No are as follows: 154229-18-2, 154229-19-3, 32138-69-5, 114611-53-9. Sample can be sent if you request. Abiraterone Acetate Intermediates Abiraterone Acetate,Abiraterone Acetate Intermediates,Cas 154229-19-3 Shijiazhuang Dingmin pharmaceutical Sciences Co.,Ltd , https://www.dingminpharma.com
Prevention:
Add base fertilizer: mainly organic fertilizer, supplemented by chemical fertilizer, rational fertilization, organic fertilizer must be decomposed, and harmless treatment. About 2,500 kilograms of high-quality organic fertilizer is applied per acre, about 1.5 kilograms of zinc sulfate, mixed with organic fertilizer, combined with soil preparation, and applied to the soil as base fertilizer. Zinc Fertilizer Seed Dressing: 20 to 40 grams of zinc sulfate per kilogram of corn seed can be mixed. When dressing, first dissolve the fertilizer with a little water, spray it on the seed, mix well, and then dry it and sow. Scientific dressing: mainly outside the root dressing, this is a good way to find the "white seedlings" of corn after applying zinc fertilizer. Concentration and dosage is sprayed with 0.1 to 0.2% zinc sulfate solution per acre 40 to 50 kg, starting from the time of corn jointing, spraying once every 10 to 15 days, even spraying 2 to 3 times, the effect is more obvious .
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Corn seedling white seedlings prevention and treatment measures
In the corn field, white seedlings often appear at seedling stage, which is caused by zinc deficiency. Generally from the 4 leaf stage, the leaf color at the base of the new leaf becomes pale yellowish-white. At the 5-6 leaf stage, yellowish and light green stripes appear between the 1st and 3rd leaves of the heart, but the veins are still green and the purple stripes appear at the base. After 10 to 15 days, the purple color gradually turns yellow-white, and the leaves lose weight. , was "white seedlings." When serious, the whole field is white. Zinc-deficient corn plants are dwarf, with short internodes, overlapping leaf pillows, slow-growing hearts, and a flat top. In severe cases, white leaves gradually dry out, and the entire plant dies.