Weeding in orchards and vegetable fields is an important task in production. There are numerous weeds in orchards, woodlands, mantle, and weeds, which greatly affect plant growth and pests and diseases. Artificial weeds are laborious, costly, and inefficient. The use of chemical weeding has low cost and high efficiency, which can save 40% of labor funds. At present, the following 7 kinds of herbicides are suitable for orchards. 1, fruit farm music. It is a pre-emergent soil treatment herbicide, weeds sprout 1-3 leaf period, spray carefully on the entire garden. One medication control does not produce grass throughout the year. Pay attention to the soil moisture, the humidity is great, and the amount of water should be increased in drought. A total of 20 grams of 1 bag per acre orchard is used. 2, farmers music -747. It is the original drug imported from the United States. In the weedy growing season, a single spray was killed. General weeds 1 package 1 barrel, vicious perennial weeds difficult to remove weeds per acre orchard with 4-5 bags. 4 to 5 days after spraying started to turn yellow and 10 to 15 days died. 3, efficient grass cover. It is a conductive suction herbicide weed killer. It can be used in broad-leaved crop fields, that is, soybeans, cotton, sweet grass, broadleaf vegetable fields. Annual, perennial grass weeds use 35-50 ml per acre, weeds that are difficult to remove, such as reeds, sharp grass, imperata, etc. with 120-180 ml per mu. 4, a lot of spring. It is a product of Taiwan, belongs to the regenerative buds and absorbs conductive herbicides. It has a good effect of controlling more than 40 families of weeds in more than 150 kinds of crops, and can kill perennial vicious weeds. 150-200 ml for ordinary grass and 400-600 ml for weeds. 5, grams without a trace. It is a U.S. product. It is a non-killing contact herbicide that can be quickly absorbed by plant green tissue. Illumination is an important condition for exerting efficacy, and spraying in sunny weather increases efficacy. The amount of 100-300 ml per mu, usually 2-3 days, plants die. 6, glyphosate. It is a herbicide that kills all insects, has a wide range of grass killing, has been applied for many years, the effect is good, the amount of use per acre is: in addition to the treatment of weeds generally used 750-1000 ml, except for the treatment of biennial weeds with 1500-2000 ml In addition to treating deep-rooted weeds with 2000-2500 ml. 7, trifluralin. It is a selective pre-emergence soil herbicide. Mainly used in peaches, apricots, and vineyards. It can be used in some vegetable fields and it can remove perennial weeds and certain broad-leaved weeds, such as gray vegetables and purslane, which are produced in annual grasses and weeds, and use 100-200 ml per mu. More clay, more weeds, and higher soil fertility can be used in higher amounts. If this is not the case, the amount of land can be reduced. Mix soil immediately after spraying, depth 3-5 cm, and the effect of low-mixed soil is low. The residual period in soil is 3— 6 months.
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