1 dilution powder into a paste with water , and then multiple dilution ; cream , liquid in the sprayer should be loaded within 1/ 4 of the water and then poured into drug shake, and pour into the amount of water ; powder, emulsion and manure mixed , should be dissolved powder , adding 80 times of water , then mixed with cream , and finally mixed with fertilizer , red enough water chemical sprayer spraying. A variety of pharmaceutical and fertilizer mix , mixed with the use to be with , do not keep well , so as not to reduce the efficacy.
(2) the general dilution dilution 500-1500 times , pest prevention desirable when the minimum concentration ; pest control young desirability moderate concentrations ; peak and kill pests older , crusty pests , should take the maximum concentration . In floriculture , often is the same pest hazards, so sterilization, insecticide, fertilizer should simultaneously. But the pH of different agents can not be mixed fertilizers , and the mixture can not be more than three kinds . The mixing concentration of : barrel of water sterilizing agent 25-30 g , 20-25 g of pesticides , fertilizers and 50 grams.
3 application time and method of 17:00 ( positive leaves holes open ) liquid sprayer spraying absorb the best, and no sunburn , can reduce injury. Less easily decomposed in light use efficiency Zineb , Fenaminosulf , phoxim and other agents should be carried out on a cloudy day or in the evening , when it rains it rains before or not spraying . Spraying a mist as well, and the entire plant to be sprayed .
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