soil fertility improvement ways 土壤培肥途径
ways of soil fertility improvement 土壤培肥途径
method of soil fertility improvement 土壤培肥方法
improvement of soil fertility [土壤] 土壤培肥 ; 土壤培肥后
soil fertility and soil improvement 土壤肥力和土壤改良
This could be confirmed by the organic matter and nitrogen circulation and the improvement of soil fertility.
这可以从有机物质、氮素的循环和土壤肥力因素的改善得到证明。
Artifical improvement of soil fertility in a regraded forest ecosystem by using municipal sewage sludge.
城市污泥对退化森林生态系统土壤的人工熟化研究。
It is concluded that the mixed stand can be able to be self-rich in soil fertility, which benefit the maintenance and improvement of site fertility under Chinese fir plantation.
表明杉木拟赤杨混交林具有良好的培肥土壤功能，对杉木人工林的地力维持和提高有重要意义。
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