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(yíng)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(guó)東部主要松林營(yíng)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(yíng)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
Composting within agricultural systems capitalizes upon the natural services of nutrient recycling in ecosystems. Bacteria, fungi, insects, earthworms, bugs, and other creatures dig and digest the compost into fertile soil.