1, rational close planting. Single plants are generally planted in large and small rows with 80 cm spacing, 40 cm spacing, 25 cm spacing, 4400 per mu, and 7-8 acres per mu. 2, check seedlings fill seedlings. After seedling emergence, seedlings shall be checked in time and the seedlings in the lack of seedlings shall be transplanted with soil or replanted in a timely manner in 1 pair of true leaves. 3, weeding, timely earthing. 1 When true leaves start cultivating and weeding, generally cultivating 2-3 times, when the height of seedling is 50cm, it is combined with cultivating earth about 10cm to prevent lodging. 4, timely irrigation, reasonable fertilizer. The whole growth period irrigation 3 times, top dressing 2 times, general emergence 25 days, 7-8 leaves when the irrigation head water, with water mu recovery 10-12.5 kg of urea irrigation, 2 water, flowering irrigation 3 water, At the same time acres of urea 20 kg. 5, foliar spray fertilizer, auxiliary pollination. During budding to flowering stage, foliar spray was applied with micro-fertilizer, and artificial pollination could be used for 2-3 times during flowering. 6, timely harvest. When the back of the oil sunflower plate turns yellow and the edge of the flower plate is brown, it can be harvested. Cosmetics Products,Cosmeticghk-Cu Raw Powder,Copper Peptide,Ghk-Cu Powder Cosmetics Shaanxi Hongbaiyi Biotech Co., Ltd. , https://www.sxhongbaiyi.com