First, the choice of species. To obtain higher yields of dry rice, it is necessary to use varieties suitable for dry cultivation. The requirements are: the growth period is moderate, the young shoots are strong in top soil, the drought resistance is strong, the disease resistance is strong, the yield is good, and the rice is of high quality.
Second, the election site preparation. Choose low-lying land, infiltration of fields in the mountains, or a certain amount of irrigation conditions, good dry and paddy fields with good moisture and fertilizer. Site preparation to achieve leveling, soil broken, no clear dark soil, no roots.
Third, timely sowing. In order to ensure that seedlings are sown and seeded once, seeds are sown before seeding and seeded with seed coating or seeded with methyl isophos- phate to prevent damage from underground pests. The seeding rate is 8 kg/mu. Sowing methods are generally used sowing, drilling or hole sowing.
Fourth, give enough base fertilizer. Planting upland rice must master the principle of re-using base fertilizer and supplementing topdressing. Shinongjia Fertilizer 2000 kg/mu, after applying ditch, nitrogen, phosphorus and potassium ternary compound fertilizer 25-30 kg/mu.
Fifth, control weeds. The first weeding was performed before sowing with butachlor 0.3 kg/mu and Nong Si it 0.3 kg/mu plus dimethyl tetrachlorohydrin 50 g/mu, spraying 75 kg of water. The second time weeds were treated with stems and leaves of weeds. After emergence, they used butachlor 0.2 kg/mu and moromi 25 g/mu, or butachlor 0.2 kg/mu plus 1.5 kg/disease. Mu, spray 50 kg of water, if necessary, supplemented by manual weeding.
Six, prevention and treatment of pests. Seed dressing or seed dressing with methyl isophosphorus, control of underground pests, after emergence, if there is any danger, can be used trichlorfon 0.25 kg / acre plus fluvo-aquic soil 20 kg, mix and sprinkle on the surface. About 3 days before the rice ear break, fungicides (also known as copper succinate, copper bacillus) 0.1 kg/mu water to 40 kg, or 5 days before the ear opening to the heading period, with 12% Qufu Bacteria must be 50 grams/mu of water to spray 40 kg to prevent rice smut. Other pest control with rice.
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