Expected yield is <60-70 bu/ac – There is probably enough N available in the soil and via fixation. Soybeans have matured past R6 (full seed stage) – The N requirement of soybean is greatly reduced ...
“Most years, with June 1 planting, the 3.5-to-4.1-maturity soybeans would have outperformed earlier-maturing varieties because they take longer to reach the end of the R6 stage,” Ferrie says.