nutrient cycle

常見例句

At present, all nutrient elements are gradually enriched in the nutrient cycle of Fargesia denudata ecosystem.
目前，缺苞箭竹生態(tài)系統(tǒng)養(yǎng)分循環(huán)中，各種營養(yǎng)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(yǎng)分循環(huán)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(fā)現(xiàn)已使人們充分認識到微型浮遊生物在水域生態(tài)系統(tǒng)的養(yǎng)分循環(huán)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。