Through field investigation and chemical analysis, the reasons why soil ecological environment deteriorated on facility farmland were studied.
采用调查研究与化学分析相结合的方法，对设施农田土壤生态环境恶化的原因进行了初步研究。
Through the investigation, main ecological environment problems were found in Xinmin city, and protect the environment and improve the ecological environment was put forwarded.
通过调查，找出新民市当前主要生态环境问题，提出保护和改善生态环境是当务之急。
Vegetation coverage is an important ecological parameter, possessing important significance to the global environment variation and monitoring investigation.
植被覆盖度是一个十分重要的生态学参数，对于全球环境变化和监测研究具有重要意义。
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