Best time weeding 2 to 5 leaf stage barley grass, weeds 2 to 5 leaf stage, wheat basic types of weeds out Qimiao. October 5 to 15 about proper sowing of wheat, in addition to the specific treatment of weeds around November time, the middle. Weeding day, the time from 10 am to 3 pm is appropriate.
Should try to master the skills to make liquid spraying weed stems and leaves moist, but not dirty liquid, and do not re-jet, missed spray acres of water of not less than 25 kg.
Select Control in Pharmaceutical weeding weeds can choose 70% Biao Hu (yl ethyl fluoride, the result is not satisfactory tauschii control), 6.9% Puma (fenoxaprop), or 3% of the Sigma (methyl Second-ethyl). Control in Vietnam can be used on broadleaf weeds such as ethyl benzene.
Strict dosage use of herbicides before, friends of farmers must carefully read the instructions, and technical personnel to fight for the right guidance. Herbicide is very strict and must not arbitrarily increase the dosage. 5 - nitro guaiacol sodium, CCC, DPC, paclobutrazol, potassium indole D, Soluble Powder, strong rooting, infiltration Star, Green Bao Su, indole butyric acid, prenyl gland purine, compound fertilizer efficiency refined, sweeteners ripening agent, PCPA.
Note the temperature when the temperature is low pesticide use of herbicides is low and prone to injury. Temperature higher than 30 ℃ (generally does not appear before winter) above spraying, prone to injury. Thus, the winter before the weeds to watch the weather forecast in advance, select the sunny day, 4 days without frost and heavy rain and muddy field without water, the day temperature is higher than 8 ℃, when less than 30 ℃.
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