摘要
采用野外调查和室内分析相结合的方法,研究了不同清理方式对杉木林土壤容重和速效养分含量的影响。结果表明,炼山迹地土壤容重平均值为1.37g.cm-3,比对照增加了13.86%,不同林地清理方式差异显著;与不炼山和对照相比,炼山迹地土壤速效养分含量最少,不同林地清理方式差异显著。杉木林炼山后增加了林地土壤容重,降低了土壤肥力。
Effects of different site preparations on soil bulk density available nutrient contents of Cunninghamia lanceolata were studied by using field investigation indoor analysis.Result shows that：the average soil bulk density which is 1.37 g·cm-3 in burned area increased by 13.86% than that of CK;different site preparations are significantly different.Soil bulk densities were increased after burning for Cunninghamia lanceolata.Soil fertility was decreased.
出处
《防护林科技》
2013年第8期18-19,共2页
Protection Forest Science and Technology
关键词
林地清理
土壤容重
速效养分
杉木
site preparations
soil bulk density
available nutrient
Cunninghamia lanceolata
