STUDY ON SPATIAL AND TEMPORAL HETEROGENEITY PROPERTY OF ALLELOPATHIC EXPRESSION IN RHIZOSPHERE SOIL FROM DIFFERENT DRYLAND WINTER WHEAT CULTIVARS ON THE LOESS PLATEAU OF CHINA

作     者：De-sheng WANG~1 Yong-qing MA ~(1,2*) Sheng-peng ZUO~2 1 College of Resources and Environment,Northwest A & F University,Shaanxi Yangling 712100, China 2 Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources,Shaanxi Yangling 712100,China 

会议名称：《中国第三届植物化感作用学术研讨会、第八届全国杂草科学大会、联合国粮农组织——中国“水稻化感作用论坛”》

会议日期：2007年

学科分类：09[农学] 0901[农学-作物学] 

关 键 词：Triticum aestivum L. allelopathic expression rhizosphere soil spatial and temporal herterogeneity ecological management 

摘      要：Through pot trials the characteristics of spatial and temporal heterogeneity of allelopathic potential from living roots amended in soil of four common winter wheat accessions on the Loess Plateau of China was conducted in four continuous growth periods based on bioassay of aqueous extracts from top soil(0 - 20 cm) as well as typical statistic *** was a