本文以内蒙古大青山区人工林和天然次生林为研究对象，以不同林型枯落物和土壤水源涵养为重点，对不同林地的土壤水分和枯落物特性进行了系统研究。

This paper make Daqing mountain plantation and natural forest as research object, focus on different forest types of litter and soil water conservation, and make a systematically studied to them.

youdao

本文以内蒙古大青山区人工林和天然次生林为研究对象，以不同林型枯落物和土壤水源涵养为重点，对不同林地的土壤水分和枯落物特性进行了系统研究。

This paper make Daqing mountain plantation and natural forest as research object, focus on different forest types of litter and soil water conservation, and make a systematically studied to them.

youdao