The mechanical tillage and soil preparation technology is the basis for the implementation of the comprehensive production increase technology for mechanical sowing and mechanization, and is an important measure for achieving high production and stable production. As the tilled land continues to increase tillage, and the roots and stubbles are buckled into the bottom layer to loosen the soil, improve soil fertility, change the purpose of soil physical and chemical properties, and reduce grass shortage and alkalization. The autumn plowing field is the core of the entire cultivation and tillage technology. In addition to the above benefits, the soil after autumn plowing is frozen and thawed in the winter to loosen the soil, and it is favorable for receiving melted snow water and increasing the ability to store water and preserve water. It plays an important role in preventing the spring drought. In order to properly handle the autumn work, the following describes several techniques of autumn mechanical tillage that are suitable for use in our province: 1. Flat-tillage method: using a double-plough plowed land with a small rake, the small hoe turns the surface soil at the rake. At the bottom of the ditch, the main plough body covers the earthworm again. After ploughing, the surface is loose and flat, covering tightly, which helps to eliminate weeds and prevent pests and diseases. 2. Deep plowing method: deep plowing with deep pine plows instead of plowing is mainly suitable for shallow plowed plots. After loosening, the soil in the plough layer is loosened, which is good for water conservation. For dry areas better. After the deep loft of the low-lying land, the water content and the alkalinity of the plough layer were reduced. However, it is not easy to use deep plowing methods for more weeds. 3. Rotary tillage: This method can be used on plots with a deep foundation and few weeds. However, it must be ensured that the depth of rotation is more than 14 cm. 4. The tillage method: In the land where there is a deep ploughing foundation, we can use kerfs to carry out the rake instead of turning the floor. When using gongs, you must squat two times. The first time you pass the ridge, and the second time you should squat or slant, and the depth should be more than 14 cm. It is best to sow at night, sowing at daytime, or with two tractors working continuously, sowing a piece and planting a piece. Immediately after sowing, the seedlings will be heavily repressed. The autumn tillage must be carried out in a timely manner, and the planting requirements must be met, so that a piece can be turned over one piece, otherwise it is easy to form a lump of rubbish and risk of loss.
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