1. No-till method. Seeding with no-till seed drill reduces water evaporation and improves rainwater utilization rate; deep pine does not turn the ground to keep the original plough layer unchanged, and improves water storage capacity; straw smashing and returning to field increases organic matter content and improves soil permeability Sex; reduce the number of locomotives entering the land, reduce the cost and increase the economic benefits, so that the amount of fertilization per mu is reduced by 10% year by year. The conservation tillage project has obvious comprehensive benefits of protecting the environment, resisting drought, fertilizing soil, saving costs and increasing production.
2. Deep pine method. According to the measurement, the application is deep and loose, the effective moisture of the plough layer is increased by 4% to 5%, and the permeability is increased by 13% to 40%. It can be used for one year of deep pine, one year no-tillage (original ridge), one year of shallow ploughing (耙, rotation, shallow turn), and realizes the agronomic requirements of three years of ploughing and three crop rotations. Water storage and protection, enhance soil fertility, and fight drought and mites.
3. Corn adopts wide and narrow rows of alternate no-till leisure methods. The original two-ridge width is changed to two ridges of 90 cm and 60 cm (40 cm). Double ridges are planted on 90 cm ridges, and 60 cm (40 cm) ridges are free of leisure. This method can increase crop yield, improve crop drought resistance and fertility.
4. Covering drought-resistant farming practices. It can be used for covering wreckage, covering with grass, covering with plastic film. It will be better to cooperate with different farming methods such as tillage, rotary tillage and deep tillage. The crop residue is covered by the straw or residue of the crop itself, which can not only return the straw to the field, but also achieve the effects of water storage, preservation, soil conservation and yield increase.
5. Maize mechanized conservation tillage. It includes four contents: (1) Field straw covering technology. More than 30% of corn stalks and wrasse cover the surface, use high root glutinous soil to protect soil, reduce wind erosion, water erosion and water inefficient evaporation, and improve natural rainfall utilization efficiency; (2) no-tillage and less tillage techniques. No-till is the use of no-till seeders to seed the seeds in straw-covered soil. Less tillage includes deep pine and topsoil (shallow rotation, shallow hoe) tillage, deep loose or loose deep soil, basically does not damage soil structure and ground vegetation, can increase natural rainfall infiltration rate; (3) no-till, less tillage technology. Ditching, deep fertilization, sowing, covering soil, and repressing duplex operations on the surface covered with debris, reducing the number of mechanical grounding and reducing costs; (4) Weed, pest control and prevention techniques. Relying on chemicals to control pests and diseases; it can also be combined with operations such as shallow pine and alfalfa.
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