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《Plant Fiber Sciences in China》 2009-06
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Preliminary Discussion on the Selection of Herbicides and Application Time for "US-14" Hemp Variety in Field

REN Cui-mei,WANG Dian-kui,WANG Ming-ze,GUO Li,JIE Xian,SHI Chen(Daqing Branch of Heilongjiang Academy of Agricultural Sciences,Daqing,Heilongjiang163316,China)  
"US-14"is the new hemp variety for industrial use,it has good agronomic characters.However,field weed is a major factor affecting the growth of hemp in the seedling stage.A screening test was carried out in three terms with 8 herbicides to control weeds in hemp field and weed control effect and the phytotoxicity were studied.The test results showed that:under the same environmental conditions and in different growth stages,pre-emergence application effect was the best,efficiency of post-emergence herbicides was not obvious.Among 8 herbicides,Seoul Cream was the most effective in controlling weeds in hemp field,besides,it was safe and harmless and lasted longer.
【CateGory Index】: S451.2
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