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http://dx.doi.org/10.5660/WTS.2013.2.3.236

Change of Weeds Occurrence, Early Growth and Yield of Soybean at Simultaneous Planting with Rye as Living Mulch  

Seo, Jong-Ho (National Institute of Crop Science, RDA)
Moon, Jung-Kyung (National Institute of Crop Science, RDA)
Kwon, Young-Up (National Institute of Crop Science, RDA)
Ku, Ja-Hwan (National Institute of Crop Science, RDA)
Kim, Si-Ju (National Institute of Crop Science, RDA)
Publication Information
Weed & Turfgrass Science / v.2, no.3, 2013 , pp. 236-241 More about this Journal
Abstract
Introduction of rye living mulch in soybean production is important for labor-saving and reduction of herbicide usage for weeding by weed suppression and for soil conservation by mulching of rye. Soybean and rye were row-planted and broadcasted simultaneously at different planting times (May 15, May 25, June 5) and row widths (35 and 70 cm) in 2010, different soybean cultivars (Daepoong, Singi) and planting times (May 15 and June 1) in 2011, respectively, and investigated weed occurrence, early growth and yield of soybean. Acalypha australis, which is known to herbicide-resistant weed, could be controlled ecologically by rye living mulch. Occurrence of Acalypha australis was controlled effectively also by mixture of alachlor and linulon at no mulch in 2011. Early growth amount of soybean plant per area was increased by narrow row width (35 cm) at rye living mulch, which was helpful in the control of weeds, but grain yield of soybean with narrow row was decreased compared to conventional row width (70 cm) at the planting in early June. It is concluded that soybean planting as row width 70 cm in early June is proper at simultaneous planting with rye.
Keywords
Living mulch; Rye; Soybean; Weeds; Yield;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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