干旱区地理2011，Vol.34Issue(4)：604-613,10.
近25 a来塔里木盆地灌区土壤盐渍化时空变化特点与改良治理对策
Temporal and spatial changes of soil salinization and improved countermeasures of Tarim Basin Irrigation District in recent 25a
摘要
Abstract
Based on the principle of scientificalness and computer operability, with the help of analytical method of combining multi-disciplinary with 3S technology, the classification system and interpretation signals of soil saliniza-tion were established. The study shows that the area of soil salinization is the product of combination of natural and human factors, and human activities contribute to the development of salinization; in addition, soil salinization is mainly distributed in the north and west parts of the Tarim Basin. The main hazardious areas are in the Kashi River and Yarkand River Basin basins with salinization being translated from the old irrigation areas to the new ones and from medium-degree and heavy-degree salnization to light-degree salinization. SO2-4 and Cl- ions gravity center is shifted forward the center of the basin. According to the characteristics of soil salinization and evolution in this are-a, the strategy and comprehensive methods are put out to improve basin irrigation management of soil salinization, namely: uniforming irrigation system, adjusting the agricultural structure, reseanablly using water, changing soil's physical-chemistry properties, setting up engineering measurements.关键词
塔里木盆地灌区/土壤盐渍化/时空演变趋势Key words
Tarim Basin/ irrigation district/ soil salinization/ temporal evolution trend分类
农业科技引用本文复制引用
乔木,周生斌,卢磊,闫俊杰,李和平..近25 a来塔里木盆地灌区土壤盐渍化时空变化特点与改良治理对策[J].干旱区地理,2011,34(4):604-613,10.基金项目
自治区科技厅“十一五”重大专项(200733144-1),灌区盐渍化土壤改良技术集成与盐土农业建设示范 （200733144-1）
中国科学院知识创新工程重大项目“新疆后备耕地的潜力评价与开发模式”(编号:KZCXI-YW-09) （编号:KZCXI-YW-09）
