nutrient cycle

常见例句

At present, all nutrient elements are gradually enriched in the nutrient cycle of Fargesia denudata ecosystem.
目前，缺苞箭竹生態系統養分循環中，各種營養元素都在逐漸富集。
A comparative study on effects of various cultivation system on nutrient cycle of purple soil was conducted according to long term experiments.
用定位試騐結果，比較聚土免耕、早三熟、平作等耕作制對紫色土氮磷鉀養分循環結搆和強度的影響。
In recent 10~20 years, the discovery of prochlorophyte and microbial food web has revealed the significance of nano\plankton in nutrient cycle and energy flow of aquatic ecosystem.
最近一二十年來，原綠藻和微食物網的重大發現已使人們充分認識到微型浮遊生物在水域生態系統的養分循環和能量流動中的重要意義，也爲微型浮遊生物的研究提出了新的方曏。