2013年9月24日星期二

Precautions formulated pesticides

Jiyong formulated pesticides because running water running water impurities , with its easy to plug the sprayer dispensing nozzle, while also undermine the suspension of liquid precipitation .

Hanged pesticide preparation as well water well water contains minerals more, especially calcium , magnesium and more, these minerals mixed with liquid and reduce the efficacy prone to precipitation .

Avoid any increase of the water because of too much water will reduce the concentration of pesticides , so that the reduced efficacy or even completely ineffective. In addition , excess water will result in the loss of pesticides and environmental pollution .

Bogey in the rain spraying windy days or when the sun will make the powder or liquid pesticide drift , pesticide garden sprayers spraying and rain erosion and reduce drug efficacy susceptible to rain , spraying in the hot sun , plant metabolism, stomatal opening , prone to injury and easy to make efficacy volatile , lower control effect. Optimum application time is 8-11 am , 3-6 pm .

Also note : when you mix several pesticides , not every kind of medicine plus all add water once , but with a variety of drugs are used to calculate the concentration of water . Such as the preparation of urea and 500 times 1000 times thiophanate-methyl , is to use two copies of thiophanate-methyl urea plus 1 plus 1000 parts water. Should be watered with the mother liquor , the first with a small amount of warm water to melt the liquid ,fruit tree sprayer add water to the desired concentration in order to fully dissolve , increasing suspension, improve efficacy and prevent injury.

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