Correct understanding of the best time for weeding in wheat fields

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Weeding wheat fields is very important in the growth of wheat. Excessive weeds will take up the nutrients of wheat, which will cause the wheat to grow normally. Therefore, it is necessary to weed the wheat fields in time and weed the wheat fields. The right herbicide , followed by the right timing of application, let us know about it.

Herbicide type:

According to the type of weeds in wheat fields, it can be divided into broadleaf grasses and grasses. Herbicides suitable for different kinds of weeds include: special wheat field herbicides for broadleaf grass: bensulfuron-methyl, bensulfuron-methyl, carboxyl Fluroxyfuran, thifensulfuron, flupiroxine, oxazolone, acesulfame, diflufenacil, dimethyltetrachloro, tetra-tetrabutyl. Wheat field herbicides of Gramineae: oxazolamide, acetyl oxalic acid, dimethyl disulfuron, flucarbazone.

Best weeding time:

Usually, farmers' friends will spray pesticides before they emerge, and then they will fight again after emergence. Therefore, many farmers will choose the season for weeding wheat in spring, and wait until the weeds are dense and dense. It is very unscientific to apply the drug at a time. In fact, the weeds are old and resistant, and the drug resistance is enhanced. The dosage must be increased during the prevention and treatment, which increases the cost and is easy for wheat and the pupa and its neighbors. The crop produces phytotoxicity.

In fact, the best period of chemical herbicide weeding in wheat fields is wheat tiller before winter and early stage of wheat jointing. At this time, the medication has better control effect, and it is safer for wheat, but it is worse at night. Among them, the earlier the 2,4-D butyl ester is used, the better the use of benzosulfuron is to use before the wheat is greened. The crops produce phytotoxicity.

More pesticide knowledge, please pay attention to China Pesticide Network

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