After the direct seeding of rice, even the rain can be used to supplement the "wildlife" series of herbicides.
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For the direct-seeded rice fields that have been sown for more than 4 days, wild rice can be used for 20% besylammon wettable powder for soil sealing treatment. The drug is usually applied within 4 days after sowing of rice. Spraying with 120 grams of water per acre, the earlier the application of the drug in the case of sprouting of rice, the better the effect of weeding, and the effect of delayed use will be affected. Therefore, for the direct-seeded rice field that has been sown for more than 4 days, the amount of 20% benzacetam WP for wild rice should be appropriately increased, and 180-240 g per mu. As long as no water is accumulated on the surface after application, there is no adverse effect on rice growth.
The closed herbicides were applied 1 to 2 days before the rain, but due to rainfall, the fields that were heavily washed by rain and the soil layer was destroyed, it was necessary to supplement 20% of the behenamine before the rain. Wet powder, 120-150 grams per mu.
Timely supplement herbicide. The use of 20% benzacetazone WP in the wild rice is postponed, and the control effect on barnyardgrass will be reduced, but it has no significant impact on the control effect of other weeds, especially on the control effect of broadleaf weeds. . Therefore, the field for deferred drug use is only valid at the 3-leaf stage of the seedlings, and 60% of chloroquine WP or 25g of wild rice can be added to the old rice, or wild rice can be laughed. 10% of cyhalofop-erin EC can be sprayed with water. It is usually effective. Control weed hazards.