枣麦间作系统枣树与冬小麦根系空间分布特征  

Spatial Distribution Characteristics of Root System of Jujube Trees and Wheat in the Jujube-wheat Intercropping System

作　　者：宋锋惠 哈地尔.依沙克 史彦江 俞涛 卓热木.塔西 

机构地区：[1]新疆林科院造林治沙研究所,乌鲁木齐830063

出　　处：《西北农业学报》2011年第12期54-58,共5页Acta Agriculturae Boreali-occidentalis Sinica

基　　金："十一五"国家科技支撑计划课题(2007BAD36B03);"十一五"自治区科技重大专项(200731136-2)

摘　　要：采用分层挖掘法对新疆阿克苏市枣-冬小麦间作系统中果树和作物根系空间分布特征进行分析。结果表明,枣树吸收根根量在垂直方向主要集中在0～80cm土层,占总量73.11%,水平方向主要集中在距枣树0～100cm,占总量的56.31%;小麦吸收根根量在垂直方向主要集中在0～60cm土层,占总量的83.05%,水平方向分布比较均匀,距枣树50～150cm根量占总量52.30%;综合来看,距枣树50～100cm、土层0～60cm是枣树和冬小麦根系交错最严重的区域。This study was conducted to discuss the spatial distribution of root system of jujube trees and wheat in jujube-wheat intercropping system of Aksu in Xinjiang using the layered digging method.The results showed that：in the vertical direction,the fine roots of jujube trees was mainly within the soil layer of 0-80 cm,the ratio of the total was 73.11%,in the horizontal direction,was mainly distributed within the distance range of 0-100 cm to jujube trees,the ratio of the total was 56.31% of the total;the fine roots of wheat in the vertical direction was mainly distributed within the soil layer of 0-60 cm,accounting for 83.05% of the total,in the horizontal direction,was more evenly distributed,from the range of 50-150 cm to jujube trees,accounted for 52.30% of the total;generally,the most serious staggered distribution range of jujube trees and wheat fine roots was the distance of 50-100 cm to the jujube tree,the soil layer of 0-60 cm.

关 键 词：枣麦间作 枣树 冬小麦 根系 根长密度 空间分布特征 

分 类 号：S665.1[农业科学—果树学] S512.11[农业科学—园艺学]