There is a great contrast between nutrient cycles in natural vegetation and the nutrients involved in growing an arable crop . 天然生長(zhǎng)的植物與人工栽培的作物在營養(yǎng)循環(huán)方面有很大的差異。
A study on nutrient cycling of pine stands in eastern part of china 中國東部主要松林營養(yǎng)元素循環(huán)的比較研究
Nutrient cycling in the 葦田養(yǎng)分生物循環(huán)的研究
Characteristics of nutrient cycling in mountainous grassland ecosystem of jian ' ou city 建甌市丘陵山地草地生態(tài)系統(tǒng)營養(yǎng)元素循環(huán)研究
Effects of canopy interception on water and nutrient cycling in the chinese fir plantation ecosystem 林冠截留對(duì)杉木人工林生態(tài)系統(tǒng)物質(zhì)循環(huán)的影響