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Issue:
Effect of Wheat Straw Mulching on Herbicide Reduction in Zero-till Summer Corn
Author(s):
LI Xiangju
,
WANG Guiqi
,
LI Binghua
,
BLACKSHAW Re
Pages:
99
-
102
Year:
2003
Issue:
z1
Journal:
ACTA AGRICULTURAE BOREALI-SINICA
Keyword:
麦秸覆盖
;
除草剂
;
玉米田
;
杂草控制
;
Abstract:
1997~2001年,采用大田试验与室内生物测定相结合的方法,就麦秸覆盖与苗后除草剂减量施用相配合对免耕玉米田杂草的控制作用及机理进行了研究.结果表明:玉米播种后田间采用麦秸覆盖可在一定程度上控制杂草的发生.当麦秸覆盖量为4 500~7 500 kg/hm2时,玉米田杂草密度比不覆盖的处理降低49.1%~96.1%,在这样的小区除草剂采用定向喷雾,即使苗后茎叶处理除草剂玉农乐和阿特拉津的用量比常规用药量减少1/4时,小区内除草效果仍可以达到91.8%~94.3%.
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