Chemicals control key measures for wheat soil pests

The wheat soil pests are a kind of pests that damage the underground and near-ground parts of wheat, and they are mainly maggots, golden worms, and crickets. Autumn damage causes wheat to lose seedlings and break ridges, and spring damage causes dead heart seedlings, causing the plants to die prematurely. There are three main methods for the prevention and control of wheat underground pests:

Soil treatment. In a variety of underground pests mixed area or a single serious area to use soil treatment methods to control. In order to reduce soil pollution and avoid killing natural enemies, the use of granules is advocated. Can be used with 3% phoxim granules per acre 2 ~ 2.5 kg evenly spread on the farmland, with the plough turned into the soil. Can also be used per acre 40% phoxim EC 250 ml, add 1 to 2 kg of water, mix fine soil 20 to 25 kg dubbed poisonous soil, spread the ground into the soil.

Chemical seed dressing. For the general area of ​​the underground pests, it can be controlled by chemical seed dressing. Available 48% chlorpyrifos EC 10 ml water 1 kg mixed wheat seed 10 kg, heap stuffy 3 to 5 hours after sowing; or 40% phoxim EC 10 ml water 1.5 to 2 kg mixed wheat seed 15 to 25 kg, mix well After the heap stuffy 4 to 6 hours after drying to dry. Can also be used 600 g / l imidacloprid seed coating seed dressing, no stuffy, dried after sowing.

Seedling control. After the emergence of wheat, select a representative field survey, and when the rate of dead seedling reaches 3%, apply pesticide immediately. Can be used with 3% phoxim granules per acre 3 ~ 4 kg mixed fine soil 30 ~ 40 kg, mix and open ditch after the application; or per acre with 40% phoxim EC 20 ~ 50 ml water 3 ~ 5 kg diluted , Stir in 30-75 kilograms of crushed rice bran or bran to make poison baits and apply it. If the wheat seedlings are seriously harmful to the underground pests, the roots of the wheat seedlings can be sprayed with 40% phoxim EC or 48% chlorpyrifos EC 1000 times.

Dietary Supplements

The United States Food and Drug Administration (FDA) has published the Dietary Supplement Health and Education Act (DSHEA), which provides for dietary supplements. A product (other than tobacco) intended to supplement the diet may contain one or more of the following dietary ingredients: A vitamin, a mineral, an herb (herbal) or other plant, an amino acid, a food component used to increase the total daily intake to supplement the diet, or a concentrate, metabolite, component, extract or combination of the above ingredients, etc. It also includes approved new drugs, vitamins or biologics that have been marketed as dietary supplements or food products before they are approved, issued or licensed. The DSHEA defines dietary supplements as their composition and labeling requirements: the product form may be pill, capsule, tablet or liquid; The product shall not be used as a substitute for ordinary foods or as an exclusive dietary item. The product shall be labeled as a "dietary supplement".

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