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。
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.
水资源短缺是西北地区农业生产和生态环境建设最重要的制约因素。
The sustainable development in northwest China would be seriously influenced if water problem were not solved.
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