京北山地西段天然次生林林地土壤养分、磷酸酶活性及其相互关系研究
경북산지서단천연차생림임지토양양분、린산매활성급기상호관계연구
A study on soil nutrients,phosphatase activity and their correlations for the natural secondary forest stands in the west section of the mountain area north of Beijing
저자의 최근 논문