%0 Journal Article
%T Temporal variation of plant height,plant cover and leaf area index in intercropped area of Sichuan,China<br>四川间作地区作物高度、覆盖度和叶面积指数的动态变化
%A LIN Chao-wen
%A CHEN Yi-bing
%A HUANG Jing-jing
%A TU Shi-hua
%A <br>林超文
%A 陈一兵
%A 黄晶晶
%A 涂仕华
%J 生态学杂志
%D 2007
%I 
%X To study the plant parameters of intercropped crops, the temporal variation of plant height, plant cover, and leaf area index in intercropped area of Sichuan was investigated in 2005. The results showed that the plant height, plant cover, and leaf area index all varied greatly with time. For corn, its maximum plant height was 177 cm, maximum plant cover was 86% occurring at flowering stage, and maximum leaf area index was 1.96. For sweet potato, its maximum and minimum plant height was 22 cm and 12 cm, respectively, maximum plant cover was 73% occurring at tuber expanding stage, and maximum leaf area index was 1.79. When intercropped with corn, all the test plant parameters of sweet potato were strongly affected by corn. In this intercropping system, the most dangerous erosion period was from the corn being harvested to the sweet potato growing up where soil surface uncovered by harvesting corn.
%K temporal variation
%K plant height
%K plant cover
%K leaf area index
%K intercropping<br>时间变化
%K 作物高度
%K 作物覆盖度
%K 叶面积指数
%K 间作
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=B04840A985D251F36078BD07A90EF003&aid=30CE2BA60916BC7B&yid=A732AF04DDA03BB3&vid=96C778EE049EE47D&iid=DF92D298D3FF1E6E&sid=A73A882009D0AEFE&eid=5C16CF56EB56D002&journal_id=1000-4890&journal_name=生态学杂志&referenced_num=0&reference_num=16