现代农业科技Issue(6)：203-205,225,4.
红壤丘陵区不同林分类型土壤酶活性及养分特征
Soil Enzyme Activities and Nutrient Contents of Different Forest Stands in Red Soil Hilly Region
摘要
Abstract
The soil enzyme activities,nutrient contents and their relationship were studied in different forest stands(i.e.Pinus massoniana,mixed forest of Pinus massoniana+Liquidambar formosana and natural secondary forest)in red soil hilly region.The results showed that the content of soil organic matter,total nitrogen,nitrate nitrogen,available phosphorus and available kalium in two soil layers(0~10 cm、10~20 cm)under the Pinus massoniana(PM)forest stand were significant lower than those under Pinus massoniana+Liquidambar formosana(PMLF)forest and natural secondary forest(NSF)stands(P<0.05).The content of ammonium nitrogen in two soil layers(0~10 cm、10~20 cm)under the PM forest stand was similar with the PMLF forest(P>0.05),but was significant lower than the NSF stands(P<0.05).With few exceptions,all soil enzyme activities under the PMLF and NSF stands were significant higher than under the PM stand(P<0.05).There was a significant correlation between soil enzyme and nutrient,except the correlation between hydrogen peroxidase and both ammonium nitrogen and available phosphorus.Comparing to the PM forest stand,the mixed forest of PMLF could obviously improve soil enzyme activities,nutrient contents and ecological environment in the stand.关键词
红壤丘陵区/不同林分类型/土壤酶活性/土壤养分Key words
red soil hilly region/different forest stands/soil enzyme activities/soil nutrient分类
农业科技引用本文复制引用
朱昊宇..红壤丘陵区不同林分类型土壤酶活性及养分特征[J].现代农业科技,2015,(6):203-205,225,4.基金项目
国家自然科学基金（51209001）。 （）
