On April 9th, the technical staff of our county went to the village of Dongguan, Wangdu County. The model of wheat science and technology, Li Dageo, reflected that many S. sophorae in this year's wheat fields were sprayed with tribenuron-methyl after pouring the spring water. Obviously, the weeds in the neighboring wheat fields are sophora sinensis, and tribenuron-methyl is also sprayed. What causes this?
The use of pesticides is not ideal. The main points are as follows: 1. Frequent and single application of pesticides, resulting in weed resistance. 2. Do not use pesticides in accordance with the prescribed dosage, the number of medications, the method of administration, and the safe isolation period. 3, did not grasp the critical period of weed control. Only a temporary solution, not a cure. 4, there is no symptomatic remedy. 5, pesticides are not scientific mixing.
After a detailed understanding: When Li Bigge sprays, the grass age is too large and there are many grasses. The water consumption and the dosage are low. The neighbors spray the medicine according to the prescribed dosage, the water consumption and the suitable temperature (10°C using pesticides. Appropriate, and less weeds, adequate water use.
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