natural soil fertility

基本解釋

Natural fertility of soil is the gradual product of natural and historical process.
土地自然肥力是自然歷史過程的產(chǎn)物；
As the management term of pure bamboo stands prolonged the natural soil fertility declined, which resulted from the growth characteristics of pure bamboo forest and the management methods.
毛竹純林隨經(jīng)營(yíng)期的延長(zhǎng)，其土壤的自然肥力呈下降趨勢(shì)，這是毛竹純林的生長(zhǎng)特性和經(jīng)營(yíng)方式?jīng)Q定的。
Natural soil fertility is dropping in many areas because of continuous industrial fertilizer and pesticide use, while the growth of algae is increasing in lakes because of the fertilizer run-off.
在很多地區(qū)，由于工業(yè)化肥和農(nóng)藥的持續(xù)使用，導(dǎo)致自然土壤的肥力正在下降，然而化肥的流入?yún)s導(dǎo)致湖泊中藻類生長(zhǎng)地越來(lái)越快。
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