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"Two micro-avoidances" means 20-25 grams of potato chips for seed potatoes, covered with micro-membrane after sowing, and no tillage or deep plowing. This technology has the most significant effect on the gentle slopes of the red soil hills. It can be matured more than 15 days earlier than the ordinary cultivated potato in the same period. It can save 30% of the province's fertilizer, save 2-3 workers, save more than 40% of its production, increase production by 150-300%, and increase the yield of large potatoes. Increase 30-40%, mu more than 700 yuan. First, choose good breeds. Should choose high-quality, high yield, strong resistance of early and medium-maturing varieties, better with virus-free varieties. Appropriate varieties are: Zhongshu No.2, Zhongshu No.3, Dongnong 303, Luma No.1 and Zhengshu No.5. Second, the technical content and planting procedures No-tillage or no deep ploughing → Mushi "Hongzhong" brand microbial fertilizer 50-70 kg +16.8-24 kg 25% NPK compound or 9.3-13.3 kg 45% NPK fertilizer + Urea 10-15 kg + dry chicken manure 330 kilograms + pig cow manure or biogas slurry 2500 kilograms → November 10 - December 10 seeding → 100-125 kilograms of seed potato planted → cover type ridging → after rain After ditching, water is sprayed with 200 grams of water for 100 kilograms, covered with micro-membrane, hole-opened and seedling-applied, and then sprayed with 15% paclobutrazol 50 grams for 40 kilograms of water at the end of February. 30 ml of water sprayed on the water → harvested before mid-April. Third, the operation points 1, fertilization. First, open a 15 cm deep sowing ditch on the uncultivated or shallow farmland, apply microbial fertilizer, compound fertilizer, urea and half chicken manure to the ditch, cover 5 cm thick fine soil, and then pour pig cow dung or water into the ditch. The biogas slurry is saturated to humidity, then sowed, and the other half of the chicken manure is applied between the seed potatoes. 2, Seed treatment, sowing and ridging, filming. Seed potatoes according to conventional drying, cutting potatoes, disinfection. Seed 40-50 pieces per kilogram, each piece should have 2 buds. The diced potatoes were immersed in a solution of 100 grams of water for 5 to 10 minutes using 5 grams of "90%" and then germination. When the seeds were planted, the buds turned upwards and pressed slightly into the mud of the sowing channel. Planting spacing is 50-60 centimeters and 20-25 centimeters, and sowing is from 4500-5500 holes. After the seeds are planted, they are planted and ridiculed. The ridges are 15-20 cm high and are sprayed with no deep plough. It should be noted that "free deep plowing" must be sprayed after a rain or irrigation of a half ditch to make the ridge surface soil absorb moisture, otherwise the effect will be affected. "Free deep plowing" immediately after spraying micro-film cover, cover film must be compacted around the time not left empty, the film should also be scattered soil film wind. After sowing for 25 days, it is necessary to check in time to break the membrane and induce seedlings so as to prevent sunlight from scalding the terminal buds. After emergence, Daejeon does not require cultivating, weeding, and pest control.