Glyphosate is safe for Longjing tea tree

The most commonly used formulations of 10% aqueous ammonium salt of glyphosate, the appearance of light brown, the dose should be based on flexibility Longjing tea garden weeds, annual weeds of millet, Setaria, Alopecurus, Eleusine, Volume ear, MA Tang, quinoa, chickweed, Galium aparine, etc., per 667 square meters with 10% glyphosate 400-500 grams of Imperata, bony grass, Cyperus rotundus, water Polygonum, bermudagrass, Duchesnea, etc., per 667 square meters 600-700 grams of drugs, watered 50 kg. 0.2% increase when using detergent, can improve the control effect. The best temperature for storing green tea storeleaves is about 0 to 5 ℃.
Liquid prepared with water, muddy water is not available, otherwise it will reduce the efficacy. Longjing tea in the garden weed spraying should have three to four leaf stage, about 70% coverage when. In April, the mid-spraying, in addition to summer grass in late June to early July spraying.  Once the temperature is too high, the amino acid, saccharides, vitamins, and aromatic substances in green tea store will be decomposed and damaged.
Spraying should be carried out in the morning dew dry, 4-6 hours after application if rain should fill spray. 3 days after application will not mowing, grazing. 3-5 from the surface after spraying glyphosate weed leaves began to brown, 10 days after the death of root rot, effective control period of 30 days. Glyphosate is safe for Longjing tea tree, in concentrations commonly used in Longjing tea tree will not cause injury and other adverse effects. However, at high concentrations, Longjing tea tree shoots grow slowly, so the best Do not use liquid spray in the Longjing tea tree. Thirdly, keep off sunlight, because it speeds up the oxidation of the pigments and esters in green tea store.
Weeding costs per 667 square meters each generally less than $ 4 (including pharmaceutical costs 2 yuan), manual weeding per 667 square meters and a 15 yuan each, manual weeding and chemical weed control cost savings than 3 / 4. Professional ways are widely applied by green tea store dealers; and family ways are employed by families who only have a small amount of green tea store.
3, reduce soil erosion. After the topsoil loose artificial weeding, encountered a large, heavy rain could easily lead to soil erosion, slope Longjing Tea Garden is more serious. The chemical weed weed root rot because the soil loose, and weed cover on the soil surface after the dead, to overcome the shortcomings of manual weeding, is conducive to water conservation. Generally speaking, three professional ways of preserving green tea storeare widely used.