The best time to carry out chemical weeding in winter wheat fields is between mid-November and early December. During this period, wheat plants are most resilient, while weeds are most vulnerable to herbicides, ensuring the best weed control effect. However, there are several important factors to consider when applying chemicals for weed control. Do you know what they are? The **Pesticide Information Network** shares some key prevention methods and precautions below:
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**Chemical Weeding and High-Tech Control Methods**
1. For controlling weeds like sow thistle and leeks, use herbicides containing **fenoxaprop-p-ethyl**. A recommended dosage is 15 grams of 10% fenoxaprop-p-ethyl per acre. If resistant seedlings are present, you can mix it with 10% bensulfuron-methyl powder at 10 grams or 30% sodium chlorate powder at 10 grams per acre.
2. To manage weeds such as *Chenopodium* (goosefoot) and *Portulaca oleracea* (purslane), choose a herbicide containing **fluroxypyr**. A suitable application is 35 ml of 20% fluroxypyr per acre.
3. For wild oat control, select a herbicide containing **tepraloxydim** or **trifluralin**. A common recommendation is 50 ml of 6.9% tepraloxydim per acre.
**Important Precautions to Remember**
1. Chemical weeding should be done over three consecutive days, with an average temperature above 5°C. It's best to apply the herbicides on sunny days during noon, avoiding windy or extremely hot conditions.
2. Ensure that water usage is more than 30 kg per mu (approximately 0.067 hectares), and mix the solution thoroughly before application. Apply the herbicide directly to the weeds.
3. Spray evenly, avoiding over-spraying or missed areas. When spraying near other crops, lower the spray nozzle to prevent drift and minimize damage to surrounding plants.
4. After spraying, clean all tools immediately to prevent phytotoxicity and ensure equipment longevity.
**Additional Tips from the Chinese Pesticides Network**
In addition to weeds, some wheat fields may also suffer from pests like wireworms, mites, spider mites, and sheath blight. Be sure to use the correct pesticides for these issues. In areas with dense weed growth, mechanical crushing, deep plowing, or applying 15% paclobutrazol or 15 grams of Zhuangfengan per acre can help improve crop health and reduce competition from weeds.
By following these guidelines, farmers can effectively manage weeds while protecting their wheat crops and maintaining long-term soil health.
Lighting Accessories
Lamp accessories are various parts and accessories used to install, secure and connect lighting fixture. They play an important role, not only to ensure the normal operation of the lamp, but also to improve the use effect and aesthetics of the light.
There are many materials for making lamp accessories, generally speaking, there are metal, plastic, glass, ceramics, etc. Metal generally has a long service life, corrosion resistance, and should not be aged, such as iron product lamps, which have a long service life; Plastic lighting product have a short use time, a faster aging speed, and are easy to deform when heated; The service life of glass and ceramic lighting is long as well.
Nowadays, the lighting and lighting accessories industry uses metal materials as the most widely used base, generally used materials are zinc alloy, aluminum alloy, steel, stainless steel, etc. The use of technology is mainly electroplating, painting, oxidation and electrophoretic coating. With the current people to lighting accessories product performance requirements and environmental awareness improved, electrophoretic coating process has gradually become the preferred process for surface treatment of lighting accessories.
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