Key points of cultivation and management techniques of Brassica juncea
First, the mouth arranging arrangement: The predecessor is spring yong bean, spring corn, watermelon, chili pepper land is the ideal plot of a kind of heart mustard. Second, the choice of species: Dapingpu large meat heart mustard (flat head) reproductive period of 70-80 days. Third, timely sowing: nurturing strong: 1 sowing date: early June. 2 seedlings to choose: well-drained, fertile soil, the former is not cruciferous vegetables, can be used as a mustard seedlings; 3 soil bactericidal applied base fertilizer, clean up the stubble leaves, spray 600 times enemy pine disinfection, Then apply 3-4 kilograms of fine phosphate fertilizer per base tillage as a base fertilizer; 4 use a half amount of seed (25 g) per acre field, sow 40-50 g per tiller, even sowing; 5 pest control, after sowing 250 grams of Zidan or earthworms were used to disperse seedbeds in each tiller and then covered with shade nets for 2-3 days. After the emergence, the net addition was used to remove the pests; the 6 seedlings were applied with thin fertilizers. 4. Transplanting crops in Daejeon and applying base fertilizer: 1 Basal fertilizer must be applied 10 days before transplanting. Use 40-50 kg of compound fertilizer per acre and apply it deep in the middle of the planting mustard. . Daejeon also uses 600-800 times more enemy soil to disinfect; 2 è‹ž heart mustard 25 days or so order, Ye Ling 5-6 leaf stage transplant, transplanting seedlings to do the three-band down field, that is, with fertilizer The first 2-3 days Shi Jin), with medicine, with mud transplanting, density 40-45 cm, the general density of 3000-3500 per mu, after planting immediately rooted water, after the live tree once Miao Fei. Fifth, re-appropriate heart fat, prevent diseases and pests: 1 mustard growth to the rosette stage and the heart of each application of a heavy fertilizer, urea 18-20 kg per kilogram plus potassium chloride 10 kg (less land application No potassium fertilizer is applied; 2 August and September is the recurrence season of various pests and diseases, mainly including viral diseases, soft rot, cotton bollworm, and noctuid pests, with a focus on the prevention and control of the rosette period and the coronal stage. The use of pesticides: virus a, virus k600 times, agricultural streptomycin or anti-corrosion agent 3000-4000 times liquid spray, pests can be used to prevent worms 10% 1500 times or other low-toxic high-efficiency pesticides, and to do safety intervals. 45 days after planting can be harvested. Twin Blade Razor,Disposable Yellow Razor,Yellow Twin Blade Razor,Pivoting Head Lady Razor YIWU CHUANGCHENG IMPORT&EXPORT CO.,LTD , https://www.tradingsix.com