Orchard grass cover technology is a soil management technology that can improve soil fertility, improve ecological environment, and improve fruit quality.
The main benefits are: First, prevent or reduce soil erosion. The second is to improve the soil and improve soil fertility. The third is to promote the ecological balance of orchards. The fourth is to optimize the orchard's microclimate. The fifth is to inhibit the growth of weeds. Sixth, it is to promote the development of tourism agriculture.
Orchard grass cover technology is mainly covered by artificial grass. The following aspects should be noted in artificial grass technology application:
Select suitable grasses. The selection of grass seeds should follow the principles of cold and drought resistance, negative resistance, resistance to trampling, fibrous roots, and ecological compatibility. Orchard grass species are generally: leguminous species, such as white clover, alfalfa, sanda wang, grass rhinoceros, Lotus root, etc.; grasses such as Damophora, Bromus, bluegrass, ryegrass Etc.; Cruciferae, such as the February orchid.
Planting time and methods. The grass is usually planted in March-April or September-October, suitable for seeding in spring and suitable for spreading in autumn. After flattening the land, water is irrigated once a week before sowing, so as to induce weed seeds to germinate and then spray the herbicides that are degraded in a short time, such as Gramoxone. After 10 days, they will be sprayed once and the remaining weeds will be weeded. Leach the agent and then sow the grass seeds. The seeding rate depends on grasses, ryegrass, fescue, etc. 2.5 to 3 kg/mu; white clover, alfalfa and other legumes 1 to 1.5 kg/mu.
Grass field management. Fertilizers are needed during the growing season. Once or twice a year, nitrogen fertilizers are mainly used. Spreading or foliar spraying methods are applied. Each year, 10-20 kg of nitrogen fertilizer is applied per mu. After the grass grows and grows, it must be cut in time according to the growth conditions. In the year of planting grass, it is best not to cut in the first few months. When grassroots is stable and is about 30 centimeters high, it will begin to castrate again. After the grazing, the height of the grass is about 10 centimeters, and the grazing is carried out 3 to 5 times a year. The number of grazing is faster and the number of grazing is higher, and vice versa.
Grass is overturned and fertilized. After 3 to 5 years of grass growth, the grass begins to age. At this time, the grass should be turned over and the surface organic matter should be turned into the soil.
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