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树木受到病虫害的侵袭会慢慢枯萎。正常生长的树木的树液PH值为7,而受到病虫侵害的树液。PH值金下降到6以下。日本专家发明了一种药剂,能够提高树液的PH值,从而可防止树木因病虫害而枯萎。这种药剂的配方
Trees by the invasion of pests and diseases will slowly wilt. Tree growth of normal trees PH value of 7, but by pests infested tree liquid. PH gold dropped to 6 or less. Japanese experts have invented an agent that increases the pH of the sap and prevents trees from wilting by pests and diseases. The recipe for this medicine