By using remote sensing and GIS together with macroscopic research method, we have gained new knowledge on soil salination of the arid region and strategies for soil improvements.
通过使用遥感和地理信息系统宏观研究手段审视干旱区土壤盐渍化和改良措施得到一些新认识。
The practice of eco-agriculture has brought about striking improvements in the environment for the industry—barren hills greened, forest acreage greatly raised, soil erosion controlled to some extent.
生态农业建设使农业生态环境得到明显改善，荒山荒坡得到治理，森林覆盖率大幅度提高，水土流失有所控制。
Now, the improvements of saline soil have been a cosmopolitan problem.
盐渍土改良已成为世界性的课题。
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