Orchard grass mulching has the effects of optimizing the soil environment, increasing soil fertility, inhibiting weed growth, reducing land use, and improving fruit yield and quality. The technology is adapted to the mountain orchards in the arid northern regions and has been widely promoted in Shandong, Shaanxi, and Shanxi provinces. The main technical measures for orchard covering grass are as follows:

Grass cover time is suitable for spring and summer, and dry and thin land is mostly covered when the temperature of 20 cm soil layer reaches 20°C.

Grass cover method Cover grass thickness 15 to 20 cm, cover the outer edge of the crown, 0.3 m around the trunk can not cover; a small amount of soil pressure after covering grass, thick soil orchards can be combined with digging trenches buried grass and cover grass; orchard cover After the rainy season, the cover grass begins to rot. It is stamped once a year or every other year. It is deep-cast once in 3 to 4 years. It is also possible to dig 4 to 6 radioactive ditches per plant after the fall and turn the rot grass into the bottom of the trench.

Cover grass species, number of weeds, leaves, crop stalks, and shredded grass.

Grass cover standards and requirements before the combination of deep-rolling or deep-buried water, plant nitrogen fertilizer 0.2 to 0.5 kg. The thin soil orchard can be combined with trenching and mulching. Grass should be short to facilitate covering and rot.

After the garden is covered in autumn, it should be weighed down. When basal fertilizer is used in autumn, do not turn the grass cover into the ground. When topdressing, cover the grass and apply more fertilizer. Apply appropriate amounts of water after application.

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