High-yielding Cultivation Techniques of Double-low Oilseed Rape
1, choose the appropriate variety. Selecting high-yield and multi-resistance double-low rapeseed varieties, the upper reaches of the Yangtze River can be selected from the low-quality varieties such as Youyan, Rongyou, Chuanyou, Noza, and Zhihuang. In the middle reaches of China, hybrids such as Huaza, Zhongyouza, Zhongshuang, Huashuang, Xiangza miscellaneous oil can be used. In the downstream areas, Yangyou 6, Ningyou 14, Suyou 1, Zheshuang 72 and other varieties can be selected.
2, concentrated planting. It is forbidden to plant flowers with non-high-quality varieties to ensure that the double-low varieties are concentrically connected, and where possible, they will strive for one product at a time. Select flat land, medium and high fertility, in line with the quality standards of pollution-free arable land, convenient irrigation and drainage, and planting of non-cruciferous crops.
3. Early sowing and early planting. To select a soil with fertile soil, convenient irrigation and drainage, and a non-cruciferous vegetable plot as a seedbed, the ratio of seedbeds to fields should be about 1:5, and no more than 1:10. And as a fine soil preparation, ditching, basal fertilizer, Mushi human livestock manure 1000 kg, 0.5 kg of boron fertilizer. The suitable sowing dates for the upper and middle reaches of the Yangtze River are generally at mid-September and mid-September. Suitable sowing dates for the lower reaches of the Yangtze River are in mid- and late September. Mu sowing volume 0.5-0.75 kg.
4, nurture strong seedlings. Qi Miao as soon as possible to go back to the pile of seedlings, 1-2 leaves during the seedlings, the three-leaf period Dingmiao, left 100 seedlings per square meter or so. Combine Dingmiao and remove weeds. After seeing seedlings, see seedlings with 1000-1500 kg of diluted manure water per acre. In the 3-leaf stage, 15% paclobutrazol 30-40g per mu was sprayed evenly on 40-50kg water.
5, ditching and soil preparation. After the harvest, the hoe was ploughed and ditched in time, and the basal fertilizer was applied in combination. Generally 2-3 meters wide is appropriate, the width of the groove 20-25 cm, 15-30 cm deep groove range, so that the three-channel support, the rain only dry. The Chaoyanggou planted well.
6, rational close planting, scientific fertilization. According to soil fertility levels, transplanting methods, and the time of the cornice, the optimum transplanting density should be determined reasonably. Generally 800-12000 plants per acre, live rape can increase the density appropriately. When transplanting, it should be planted straight, roots must be planted and trees should be planted deeply. The seedlings were planted on the edge, the seedlings were planted separately, the seedling roots were planted, and the tall seedlings were planted. After planting, watering live trees to reduce the period of seedlings. The total amount of fertilizer applied in Datian is 12.5-15 kg of pure nitrogen per mu, 6-8 kg of phosphorus pentoxide, and 8-12 kg of potassium oxide, of which 50% of the total nitrogen application and 80% of the total phosphorus and potassium fertilizer are used. Base fertilizer, nitrogen, phosphorus, potassium ratio of 1:0.4 to 0.5:0.5 to 0.8, nitrogen fertilizer used as base fertilizer, seedling wax fertilizer, moss fertilizer ratio is 5:2:3. The application of borax 0.5-0.75 kg per acre was applied to the 0.2% borax solution in the seedling and bud stage of rapeseed.
7, clean up the three ditch, anti-waterlogging and drainage, timely prevention and control of pests and weeds. After the completion of transplanting, both internal and external tri-division refurbishment and clean-up work will be carried out in winter and spring to ensure that the ditches are in common and dry irrigation can be performed. At the beginning of wintering, over 40 kg of water was sprayed on 30 kg of paclobutrazol per acre in Wangchang block plots, and a combination of wax fertilizer was applied to protect the roots from freezing. Areas where conditions can be covered with straw, 200-300 kilograms per acre covered grass, warming antifreeze suppressing grass. Before the winter, according to the field sod instead. Generally weeds dominated by grasses and weeds were used in the 3-5 leaf stage of weeds with 10.8% of high-efficient gaisengergok emulsifiable concentrate 20-30 milliliters, spraying 40 kilograms of water; fields dominated by dicotyledonous weeds. Block, use 30% more water per mu, 50 ml of water spray. The first flowering period of rapeseed is 50% of Sclerotia sclerotiorum 80 g or other compounding agents to spray 40-50 kg of water evenly on the initial flowering period to prevent S. sclerotiorum and spray it once again 5-7 days after the drug is applied. When there are 20% locust strains in the field and more than 300 pods per 100 strains, pesticide sprays should be used in a timely manner.
8. Prevent miscellaneous and detect acquisitions. The pods were harvested when 80% of the plant spindles turned yellow. The rapeseed will be transported to the site for 2-3 days to promote post-harvest and increase grain weight. After being piled up, spread the sun for 1-2 days and then threshing, drying and drying (water content less than 9%) into the warehouse. In the process of harvesting, transporting, threshing, and warehousing, single harvesting, single release, and prevention of mechanical miscellaneous. It is forbidden to mix and store with other odors, toxic, harmful and corrosive materials. Warehousing, disinfection, and fumigation should comply with the national provisions on food hygiene and safety.
The micro circulation is one of life basic characteristics, and is that the organism unceasingly carries on the matter, the energy and information transmission with the environment. The unicellular organism directly carries on transmission through the cell membrane, the extremity animal is carries on the transmission through the organization gap in blood lymph, but because of evolving to the mammal stage (for example human being), only has the lung ,the stomach and intestines separately carry on material, the energy, the information transmission through the trachea and the esophagus with the external environment, other organized the organ`s position, the function, the metabolism already to finalize, constitutes the organization and the cell of the organ, cannot be direct with the external environment communication, only through tissue fluid, the blood, and the lymph carry on material, the energy, the information transmission.
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