%0 Journal Article
%T Influences of artificial disturbing degrees on soil conditions and liquorice roots system<br>人为扰动程度对土壤环境和甘草地下根系的影响
%A ZU Yuangang
%A ZHAO Zehai
%A YANG Fengjian
%A CAO Jianguo
%A <br>祖元刚
%A 赵则海
%A 杨逢建
%A 曹建国
%J 生态学报
%D 2004
%I 
%X In order to obtain cultivated liquorice which characteristics characters and qualities were more approach to wild liquorice, the people often choose some traditional distribution regions of wild liquorice for cultivated liquorice. And sometimes there was a phenomena of mixed growth between wild liquorice and cultivated liquorice. We chose grasslands, protection forest and farmland in Western Heilongjiang Province of China, as the research sites. Because these sample sites were neighbored to each other, some...
%K Liquorice roots system
%K soil condition
%K artificial disturbance
%K asexual propagation<br>甘草根系
%K 土壤环境
%K 人为干扰
%K 无性繁殖
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=FE163E5DB2274E5937319DE98913EC37&aid=C754243F1AF231DA&yid=D0E58B75BFD8E51C&vid=B91E8C6D6FE990DB&iid=E158A972A605785F&sid=94655B9881133A28&eid=B3AAD7DC3C912B50&journal_id=1000-0933&journal_name=生态学报&referenced_num=5&reference_num=18