1. Organic mercury preparations such as Xi Lisheng, Saili San, Fujilong, and Mercury. Such pesticides are highly toxic to humans and animals. When applied, pesticides come into contact with the skin, especially when contacted with the wounds or sprayed from the nostrils, which is easy to accumulate in the human body.
Second, organic phosphorus preparations such as 1065, 1059, 3911, phorate and so on. These pesticides are highly toxic to humans and animals. They can enter the body through the mouth and cause poisoning. They can also enter the human body through skin penetration and respiratory tracts.
3. The organochlorine preparations 666 and DDT are less toxic, but because of their stable nature, they are not easily decomposed in organisms and soil. The vegetables that have been used for these two pesticides are often eaten in the human body. Constant accumulation, easy to cause chronic poisoning.
In order to protect people's health and control vegetable pests, it is necessary to select pesticides with high efficiency, low toxicity and short residual period, such as trichlorfon, dichlorvos, dimethoate, marathon, imipenem, carbendazim, and tobrahim. However, it is also necessary to strictly abide by the regulations for the market to be harvested 7 to 10 days after the application of the vegetables.
More pesticide knowledge , please pay attention to China Pesticide Network
We provides the Track, Hangers and Sliding Door Hardware components needed to create your own barn and commercial sliding door system. Our advanced designs are made of galvanized steel in round or box rail and come with heavy duty hardware for easier mounting and smoother operation. Used primarily for exterior applications, they are also ideal for adding an industrial look to any contemporary or rustic interior.
Designed for use on doors up to 450 lbs.
Can be used with many types of single and multiple brackets.
Rail is carefully formed to give an even tread to hanger wheels.
Material is galvanized steel.
We also have the aluminum track.
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Foshan Nanhai Xin Jianwei Hardware Co., Ltd , https://www.aaghardware.com