There are three main types of corn herbicides: pesticide residues, chemical herbicides and herbicides.
In the case of corn herbicides, the first thing is to prevent or reduce the occurrence of phytotoxicity by adding herbicide safeners when spraying herbicides. Second, once a phytotoxicity occurs, the plant growth regulators, anti-drugs, and foliar fertilizers can be sprayed to ease the phytotoxicity at the initial stage of the symptoms of the phytotoxicity so that the damaged plants can resume growth as soon as possible.
Specific methods for preventing and relieving herbicides in corn fields:
(1) Prevention of herbicide damage in corn fields: The use of a large amount of clomazone and clomazone should not be used to grow corn to avoid residual phytotoxicity; the use of nicotine torazine in corn exceeds 6 leaf stages or Excessive drug usage per unit area can easily produce phytotoxicity. Therefore, when spraying nicotinamide to Tianjin, it is necessary to strictly control the period of drug use and the amount of drug used, and to use anti-drug agents (new or peaceful) to avoid the occurrence of phytotoxicity.
(2) If residual phytotoxicity occurs before or after the herbicide is harmed by the herbicide of the year, use Bihui Jiahavit or directly spray freshman or rest: 1 x 3 grams per mu + Harvet or Harvett 20g ;2 Use 33 grams of freshmen or 27 grams of tranquilizers per acre to spray at the initial stage of the symptoms of drug damage to ease the injury, so that the damaged plants can resume growth as soon as possible.
Vitamins are a type of trace organic substances that humans and animals must obtain from food in order to maintain normal physiological functions. In terms of physiological functions, vitamins are neither a raw material for tissues nor a substance for supplying energy, but they are an indispensable substance for the body. It has many types and different chemical structures. Most of them are the components of the coenzyme (or prosthetic group) of certain enzymes. They are the indispensable compounds for maintaining the normal growth (growth, health, reproduction and production function) of the body. It plays a catalytic role in the body to promote the synthesis and degradation of major nutrients (proteins, fats, carbohydrates, etc.), thereby controlling metabolism. Vitamins are essentially low-molecular organic compounds. They cannot be synthesized in the body, or the amount synthesized is difficult to meet the needs of the body, so they must be supplied from the outside. The daily requirement of vitamins is very small (usually measured in milligrams or micrograms). They are neither a raw material for body tissues nor a substance for energy supply in the body. However, they do not regulate material metabolism, promote growth and development, and maintain physiological functions.
Vitamin K2 MK-7, Vitamin C, Vitamin E, Vitamin K2, Vitamin H, Vitamin D3
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