total nitrogen concentration 总氮含量 ; 总氮浓度 nitrogen concentration in atmosphere 大气氮含量 soil nitrate nitrogen concentration 土壤硝态氮含量 ..
基于6个网页-相关网页
理论上，大气中二氧化碳含量增多会使作物生长加快，实际上，还要看土壤中所含氮成分的多少。
In theory extra carbon dioxide in the atmosphere should help plants grow faster, though whether this actually happens may also depend on the amount of nitrogen in the soil.
各林分地表径流的总磷、总氮含量均高于大气降水，樟落混交林的总磷、总氮含量最高。
The content of total nitrogen and total phosphorus in every forest runoff is higher than rainfall, and that of Coniferous mixed forest is the highest.
应用推荐