Rattus esculenta is a kind of herb that is resistant to cold and can not tolerate high temperatures. The orchard has been planted with rat grass, which has the effects of preventing grass, water and soil moisture, increasing soil organic matter content, improving soil permeability, and reducing production costs.

The young rat grass seedlings cross the cold winter like wheat seedlings, and are prosperous for the second year from March to May. They die together with the roots in the middle and late June and the thickness of the submerged grass is about 7 cm. The scattered seeds germinate and unearth in the autumn and can inhibit all kinds of long-term. The growth of weeds and the maintenance of good ventilation of the soil can reduce the labor cost of sorghum stalks by 5-6 times a year, and supplement the 600-700 tons of organic matter in the soil. The roots of rat grass have a depth of 30 cm and a maximum depth of 60 cm.

The death period of monastic grass lodging occurs earlier, and the time for competing with fruit trees for water nutrient is short. After the growth period and the roots are rotted and decayed, the soil permeability and aeration are maintained to prevent the water in the ground area, and the resistance of the fruit trees is enhanced. At the same time, the ground is covered for a long time to prevent the evaporation of the soil moisture, and the ground is exposed to the sun to enhance the drought resistance of the fruit trees. ability.

In recent years, the technology of orchard rat grass cultivation has been greatly promoted, and the fruit yield and quality of the grass-covered orchard have greatly improved.

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