Row Spacing Effects on Soybean Yield In Georgia<BR>Carter and Boerma, 1979 (Athens, GA) <BR>38 to 19 = 11% yield increase <BR> <BR>Parker et al., 1981 (Tifton, GA) <BR>36 to 18 = 4% increase  <BR> <BR>Boerma and Ashley, 1982 (Plains, GA) <BR>36 to 20 = 17% yield increase <BR> <BR>Ethredge et al., 1989 (Plains, GA) <BR>30 to 20 = 8% yield increase <BR>30 to 10 = 11% yield increase <BR>20 to 10 = 3% yield increase <BR> <BR>Woodruff, 2007-2008 (Camilla, GA) <BR>36 to 24 = 8% yield increase <BR> <BR> <BR>Washington County, GA (2008)<BR>A review of row spacing experiments in which an initial weed management practice had been accomplished revealed that in 64% of the cases (72 of 113 site-years), less late-season weed density and/or biomass, or greater late-season weed control, was achieved in narrow- compared to wide-row soybean production systems. <BR> <BR>Bradley, K. W. 2006. A review of the effects of row spacing on weed management in corn <BR>and soybean. Online. Crop Management doi:10.1094/CM-2006-0227-02-RV. <BR>