Atmospheric nitrogen deposition has become one of the main input items in red soil areas of farmland nitrogen balance.
大气氮沉降已经成为红壤地区农田氮素平衡的主要输入项之一。
In the long run, there is no obvious correlation between forest vegetation nitrogen increment and atmospheric nitrogen deposition.
从长期来说，森林植被的氮增长率与大气氮输入之间无明显的相关性。
The increased deposition of atmospheric nitrogen due to the air pollution has exceeded the demands of forest ecosystems in many areas.
因大气污染而不断增加的大气氮沉降量，在许多地区超过了森林生态系统的氮需求。
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