Q: Wang Chunyang, a netizen, throws rice on June 12 and sprays 2 capsules (15 grams per bag) of Harley on the 3rd of July. Can he control the dwarf arrowhead in the 3-leaf field? Will it cause phytotoxicity to rice? With 3 bags of drug poisoning method applied per acre, will the damage to rice be less? A: "Harry" should be 70.5% of Methoracazin-water dispersible granules of Suzhou Fumei Real Plant Protection Agent Co., Ltd., containing 24.6% sodium chloride, 65% sodium chloride, and carbazione 4%, registered for transplanting rice. Tian Fang in addition to sedges and broad-leaved weeds, the recommended dosage per hectare is 528.75-634.5 grams, equivalent to 50-60 grams per acre preparation. The drug contains 2 A and 4 chlorine, which should be used before the rice leaves in the 4 leaf stage to jointing, so as to avoid the production of phytotoxicity. If the concentration of flufenazone is too high, or if the amount of fluoxetine is too large, it can easily cause phytotoxicity to rice and cause contact spots on rice leaves. If the pods are weak, seedlings may cause dead seedlings. The rice transplanted on June 12 had a very large seedling age by July 3, but it had not been jointed yet. It was possible to apply 70.5% 2 methomethabone water dispersible granules at a normal dose. Should pay attention to add enough water spray to avoid excessive dosage and spray concentration, avoid spraying at midday on hot and sunny days. 30 grams of medication per acre, the amount of medication is too small, may affect the control effect of dwarf arrowhead. 2Mazofoxamone is a stem and leaf treatment agent, in which fluconazole is a contact-killing agent and should be sprayed and sprayed after spraying. It is not recommended to use poisonous fertilizer method.
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