Avoid using old slaked lime instead of quicklime. The slaked lime contains more calcium carbonate and less calcium oxychloride. It is easy to cause phytotoxicity after preparation.

When the two bogey are prepared, the temperature of the two liquids is higher than the temperature.

The three bogey use iron, aluminum and other capacity to hold the liquid, so as to avoid the phytotoxicity caused by the replacement reaction. You can use plastic products to hold the liquid when you work.

When the four bogey are prepared, the order of the liquid medicine is reversed, and precipitation occurs to cause phytotoxicity. The correct order of preparation is to pour the copper sulfate solution into the lime solution so that no precipitation occurs.

Five bogey preparation ratio is not appropriate. Different fruit trees should use different proportions. The lime tree is applied in the early stage of lime, and the lime is used in the late stage; the grape should be in a small amount or a half amount of lime.

Six bogey liquids are placed for too long. After more than 24 hours, the liquid will deteriorate and should be used now.

Seven bogey are used in the growth period of sensitive tree species such as peach trees, plum trees, cherries and hawthorns.

Babo is mixed with stone sulfur mixture and stone sulfur emulsion to avoid chemical reaction.

Nine bogey is used in high temperature or rainy days.

Ten drugs after the disease. Bordeaux mixture is a protective fungicide and is effective before use.

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