After the rice is transplanted (or tossed), when the artificial weeding fee is paid, the chemical weeding is properly grasped, and good results can be obtained to achieve cost-effective macros. The following five elements should be grasped during chemical weeding:
A level: field surface to be flat. To achieve this requirement, it must be finely grounded. The formation of the ground is required to make the weeds germinate together to facilitate the elimination of most of the weeds after a single application.
Two uniform: First, mix the medicine evenly, mix fine soil or mix the fertilizer and mix evenly. The second is uniform application.
Look at the three: look at the temperature, see the grass, see the soil, see the seedlings. If the weather is cool and the temperature is low, the upper limit of the drug dosage should be used when spraying; when the weather is fine and the temperature is high, the lower limit of the drug dosage should be used when spraying; the amount of sand soil should be reduced as appropriate, and the viscous soil should be increased as appropriate. . More grass, increase the amount of drugs as appropriate. For the seedlings that are not rooted in a live tree, no pesticide is applied, and no treatment is applied to the thin seedlings.
Quasi-quasi-pharmaceuticals: The drugs should be selected. According to the weeds in paddy fields, the drugs should be selected. Application time should be accurate, generally 5-10 days after planting (throwing). The application area should be accurate, and the amount of medication should be calculated based on the area of ​​rice fields. The dosage of the drug should be accurate. According to the instructions for use of the drug, the dosage should be strictly used.
5 Note: After the application of rice, pay attention to the management of field water, thin and weak seedlings and fields with poor water retention. Do not apply pesticides on rainy days or when there is dew on crops; do not stir the soil layer after application for 1-2 weeks; Alternate application of different types of herbicides to enhance the chemical weeding effect; pay attention to residue at the same time to ensure food safety and crop safety.
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