Clever use of ethephon to promote tobacco leaf maturation
In the production of tobacco leaves, late-maturing gluttony due to excessive nitrogen fertilizer application is a problem that often disturbs farmers' friends. The use of ethephon for ripening in the late growth stage of tobacco leaves can better solve this problem. Ethephon is a kind of plant hormone commonly used in agricultural production. It can be used to ripen the tobacco leaves can be treated by stem and leaf processing or post-harvest smoke tablets. First, stem and leaf treatment generally use the whole method of spraying For spring tobacco, the concentration of ethephon sprayed at maturity is 500-700 mg/kg, 42.5% ethephon 62.5-87.5 ml/mu, add water 50-100 kg, 3-4 days later The leaves can turn from green to yellow, just like natural maturity. For Pinellia terrestris, the concentration was increased to 1000-2000 mg/kg, and the light green leaves turned yellow after 5-6 days. Second, the stem and leaf treatment can also be applied locally Prepare a 15% ethephon solution and apply it to the base of the leaf base, or strip the stem surface longitudinally about 1.5 cm wide and 4 cm long, then apply ethephon for 3-5 days. Can fade yellow. Third, post-processing Post-harvest treatment is mainly to use the 500-1000 mg/kg concentration of ethephon solution to immerse the smoked tobacco leaves, and then baking, flue-cured tobacco color is yellow. During the tobacco leaf baking process, a container containing 450-700 mg/kg ethephon solution is placed in the barn, allowing it to release ethylene gas on its own, which can also promote yellowing of tobacco leaves and increase tobacco grades. When using ethephon, pay attention to the following aspects to improve the use effect. 1. During the baking process, due to too much nitrogen fertilizer applied to the soil, the “black storm†tobacco leaves that do not fall yellow during the mature period can be sprayed with ethephon 2-3 times before harvest, and the tobacco leaves can fall yellow. 2, to grasp the application time and concentration of ethephon. If the application time is too early or the concentration of the liquid is too high, the production of tobacco leaves will be reduced. 3, ethephon spraying site to the best effect of the back of the leaf. When spraying ethephon, do not mix it with alkaline chemicals so as not to cause rapid decomposition of ethephon. Health-preserving Herbal Tea, listen to the name, you can see three meanings. One is to keep in good health, give a person a very healthy feeling; Second, flowers and plants, Chinese traditional medicine treatment is to use some natural flowers and plants to regulate the body; Third, tea. China has been the birthplace of tea culture since ancient times. A warm cup of tea gives people a warm feeling. So what are the benefits of herbal teas? Health Scented Tea,Jasmine Flower Tea,Lemon Scented Tea,Blooming Jasmine Tea XuChang Youjia Food Product Development Co., LTD , https://www.yjgrain.com
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