Section 71
Chapter 70,467

Effect of Cover Crop on Weed Control in No-tilled Organic Soybean Field

Jo, J.-R.; Nan-Hee, A.,; Nam, H.-S.; Sang-Min, L.,; Hun, O.J.

Weed and Turfgrass Science 6(3): 189-195


ISSN/ISBN: 2287-7924
Accession: 070466456

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This study was conducted to evaluate weed control effect in organic soybean upland field as affected by cover crops including rye, hairyvetch, and its mixture. The experiment was conducted during two years (2015 and 2016) at the NAS (National Institute of Agricultural Sciences) organic farming experimental field. The cover crops were seeded after tillage at fall crop season in 2014, and then, the soybean field was managed with no tillage system from 2015. The weed suppression rates of cover crops application for rye and mixture (rye+ hairyvetch) treatment during 60 days after transplanting were 80% and 30%, respectively.However, weed suppression rate of hairyvetch treatment was not significantly different as compared to control. Weed flora in experimental field were less than general soybean field.The average organic soybean yield was generally low compare to normal year, nevertheless, the soybean yield for rye and mixture treatment in 2016 were significantly higher than PE mulching treatment.

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