In recent years, more and more serious greenhouse vegetable pests , farmers spraying and heavier , but many farmers do not reflect the increasing use of pesticides effects ideal. Recently, the reporter in the interview process , deliberately took a look at the way farmers spraying found in farmers when spraying is not standardized , affecting the efficacy of the play .
A large droplet spray. Reporters observed in a number of the shed , out of the sprayer is large droplets Pharmacy , this garden pressure sprayer spraying method would lead to uneven spray , particularly those affecting pharmaceutical tag of the control effect . Large liquid droplet spray is also easy to cause the loss of plants low to waste even more serious . Therefore, we should choose a good spray atomization performance , the use of spray holes tablets, uniform spray .
(2) When spraying , the body in front of "the" shape swinging spray. Spraying the front of the body , often in front of spray finished drugs, farmers have sprayed drugs in the environment continue to work, likely to cause pesticide poisoning. In addition , spraying herbicides closed easily when sprayed uneven Tacai will artificially broken ring membrane , reducing the control effect. Sprayer should be changed right in front of " the" word of lateral swing " the" word swing.
3 does not distinguish between types of sprayers are direct " target " crops. Different aerosol spraying should be a difference , not a pattern. Generally, manual sprayers can be direct " target " approach spraying. The motorized sprayer in order to fully play its atomization effect, the characteristics of high efficiency , should be 20 cm above the crop spraying is appropriate.
4 spraying liquid dripping from the leaves . Reporter observe some drugs just sprayed leaves , found that many liquid dripping from the leaves , and some dripping directly on the ground , so that the liquid on the blade effective dose reduction is not only difficult to play efficacy, but also cause a lot of pesticide waste . Therefore , the job should be sprayed evenly to minimize flower sprayer spray residence time, reduce the liquid dripping down from the leaves to improve efficacy.
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