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在pH值8.0~8.3的碱性土上引种池杉,采用综合措施改良土壤,降低了PH值,使池杉能生长良好。
Introduction of Ipomoea japonicum on alkaline soil with pH value of 8.0 ~ 8.3, using comprehensive measures to improve the soil, reduce the PH value, so that Ipomoea grow well.