Canopy response of soybean affected by growth habit and late season competition.

(...) Three pairs of near-isogenic lines (determinate and indeterminate) were grown at three Maryland (USA) locations and subjected to a thinning treatment at the R4 growth stage to release the plants from competition for light, water, and nutrients after pod set was completed. In each plot, six plants were divided into four canopy levels at maturity and hand harvested. (...)