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根据抗旱技术特点，将其划分为保护土壤水分、节水灌溉、利用自然降水、应用化学保水抗旱剂、提高果树抗旱能力等五种类型。并对主要抗旱技术的效果、方法进行了评述
According to the characteristics of drought-resistant technology, it is divided into five types: protection of soil moisture, water-saving irrigation, utilization of natural precipitation, application of chemical water and drought-resistance agents and improvement of drought resistance of fruit trees. The effects and methods of major drought control technologies were also reviewed