Herbicides play an important role in crop growth, but not all herbicides can be used during crop growth. Some herbicides should be used with caution. The following are several herbicides that should be used with caution in later crops.
Fast killing fleas (quinacrine)
Within 300 days after the fast killing, no crops can be planted except for rice. Eggplant and tobacco cannot be grown within 12 months. Tomatoes and carrots cannot be grown within 2 years. In addition, umbelliferous crops such as carrots, celery, parsley, etc. are very sensitive to swift slaughter, and the above-mentioned crops cannot be watered with water that has been used to smash the paddy fields.
Chlorimuron-methyl
It has a long retention period in soil and should not be used to grow beets, rice, potatoes, melons, vegetables, sorghum, and cotton.
Sec (Acetomethoxazine and Trimetin)
According to the experimental report, Sai Ke of 420 to 1120 grams of active ingredient per hectare (15 mu) can only grow quail, asparagus, wheat, barley, corn, potato, sweet potato, sugar cane, soybean, and grass for 4 months. 8 After months, rice and cotton can be planted. After 12 months, crops other than roots can be planted. At present, it is generally recommended that the dose of Secor be 210-560 grams per hectare of active ingredient, and that this dose is generally safe for the post-harvest crop.
Guang Wu Ling
According to reports, Guangmianling, with an active ingredient of 560 to 1400 grams per hectare (15 mu), can grow rice, cotton, corn, pepper, tobacco, and cucurbits crops 9 months after planting. All crops can be planted after 16 months. . It is generally recommended that the use of Guangweiling be used in combination with other drugs, without any effect on post-planting crops, but heavy-injection has a slight effect on wheat.
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