]*>","")" /> The Preliminary Study on Weeds Community and Its Characteristics in Cotton Field Under-Mulch-Drip Irrigation——Take Avati County for Example
Xinjiang Agricultural Sciences

• Article • Previous Articles     Next Articles

The Preliminary Study on Weeds Community and Its Characteristics in Cotton Field Under-Mulch-Drip Irrigation——Take Avati County for Example

CUI Jian-ping;TIAN Li-wen;LIN Tao;XU Hai-jiang;GUO Ren-song   

  • Received:2011-05-25 Revised:2011-05-25 Online:2011-05-25 Published:2011-05-25

膜下滴灌棉田杂草群落组成及特点的初步研究——以阿瓦提县为例

崔建平;田立文;林涛;徐海江;郭仁松   

  1. 新疆农业科学院经济作物研究所,乌鲁木齐,830091





摘要： [目的]摸清滴灌模式下棉田杂草群落种类、数量,为南疆早中熟塔哈次棉花亚区滴灌棉田杂草的科学防治提供理论依据.[方法]以阿瓦提县具有多年膜下滴灌种植条件的乡(场)为重点,调查研究杂草群落种类及数量,并与该县不同植棉模式下棉田杂草群落进行比较.[结果]不同植棉模式下杂草种类均较多,滴灌棉田杂草主要有9科15种,以禾本科、菊科、藜科对棉花生长影响较大.[结论]通过与露地直播、常规灌棉田杂草比较,膜下滴灌棉田杂草根的干重明显较低,一年生浅根杂草及阔叶杂草呈增多趋势.杂草在棉花生育期有两个危害高峰,且危害高峰提前并持续时间较长.