Elevated atmospheric CO2 concentration significantly increase crops biomass, which will input more carbon into soil to affect soil carbon stability and accumulation.
大气CO2浓度升高显著增加作物生物量，从而使进入土壤的有机碳增加，这势必会影响土壤碳的稳定和积累。
2
For Xiangshan Bay, main sources of nutrients are continental runoff input and the discharge of mariculture waste water, followed by Marine life and atmospheric sedimentation.
象山港海域营养元素的主要来源为陆源径流输入和海水养殖废水的排放，其次是海洋生物和大气沉降输入。
3
Atmospheric nitrogen deposition has become one of the main input items in red soil areas of farmland nitrogen balance.