I am so no-tillage cultivation of rapeseed

My name is Long Wusheng and I am from Babao Town, Shuyang County. Since 2003, I have planted more than 1 mu of no-tillage rape every year. The average mu yield is more than 100 kg, which is basically the same as the yield per mu for transplanting rapeseed. Sometimes higher. My no-tillage cultivation experience with rapeseed cultivation is:

Choose a good variety. The biggest drawback of the no-tillage live rapeseed is that it is shallow and it is easy to fall down later. Therefore, I chose the “double-low” rapeseed variety with high yield, moderate plant height, and good lodging resistance for no-till direct seeding cultivation.

Appropriate early sowing. Early harvesting after late harvest of late rice is one of the key cultivation measures for no-tillage direct seed oil harvesting. According to the characteristics of the climate, I planted seeds every year in mid-October, and no later than the end of October. For example, if the soil is wet and relatively early sowing, the amount per mu is 150-200 g; if the soil is dry and relatively late sowing, the sowing amount per mu is 200-300 g. After sowing, if there is no rain and the soil is dry, I will do a thin irrigation, which is based on moist soil, so as to facilitate the emergence of seeds sown earlier.

Ditching ditch. Before sowing, I opened the gutters, gutters, and gutters, and covered the ditch with clay to make it easier to plant and manage. Spring rains are abundant. Before spring, I cleared the dirt in the ditch, and dug the ditch deep and dig deep, depending on the situation, so that the ditch and ditch could communicate with each other to ensure rain and dry weather.

Miao Dingmiao. My approach is: in the rapeseed 2 leaf 1 heart time seedlings, between close dense thinning; 3 to 4 leaf stage Dingmiao; early sowing of the field, per acre seedlings 1.2 to 18,000, late sowing of the field, per acre Liu Miao 1.8 to 24,000.

Chemical weeding. First, the heavier weeds were planted before sowing, and 3 to 5 days before sowing, the use of glyphosate 500 ml per mu for the water 40 kg spray cull old weeds. The second is to sow the cover after the soil, with 50% acetochlor per acre block 50 ~ 70 ml or 60% butachlor 100 ml water spray 40 kg to prevent weed germination. For grass fields dominated by grasses and weeds, we sprayed 40 kg of water per acre with 10.8% of high-efficient straw and 20-30 ml of water at the 3 to 4 leaf stage of weeds. For broad-leaved grass-based plots, spraying 40 kg of water to 5 mu of high-cone 30 ml/mu for weeds at the 2 to 3 leaf stage.

Scientific fertilization. In practice, I concluded that fertilization for direct seed oil rape must be based on sufficient fat, early Miaofei, and stabilizing manure, in order to promote dual-fat in winter and spring. The total amount of fertilizer applied per acre is 15 to 16 kg nitrogen fertilizer, 25 kg of superphosphate, 7.5 kg of potassium chloride and 1 kg of boron fertilizer. Phosphorus, potassium and boron fertilizers were used as base fertilizers for one-time application. The proportion of nitrogen fertilizer application was 30% of base fertilizer, 35% of seedling fertilizer, 15% of wax fertilizer, and 20% of manure fertilizer. At the same time pay attention to the application of root fertilizer

Prevent pests. The mid-stage larvae of live rapeseed were heavy. The early flowers and flowering stages were the sclerotial rot. Every time, I use 10% imidacloprid 20 grams per 10 grams of water to spray 40 kilograms of locusts, and use 50% fast keratin 100 grams or 25% to make 100 grams of 20-40 milliliters of water to spray 40 kilograms of Sclerotinia. Good results.



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