城市污泥对退化森林生态系统土壤的人工熟化研究。
Artifical improvement of soil fertility in a regraded forest ecosystem by using municipal sewage sludge.
简述了退化森林生态系统恢复和重建的一般操作程序；
The common work procedure of rehabilitating degraded forest ecosystems was briefly introduced.
退化森林生态系统的恢复和重建依赖于对有关理论的理解和认识，也依赖于对有关技术体系的研究和应用。
To restore and rehabilitate the degraded forest ecosystems, we must understand the theories concerned, also we have to study and apply the related technology.
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