Malamy JE. Intrinsic and environmental response pathways that regulate root system architecture. Plant Cell Env. 2005;28(1):67–77. https://doi.org/10.1111/j.1365-3040.2005.01306.x. Google Scholar Tian PZ. Ecotypes of root system in soybean cultivars. Acta Agron Sin (China). 1984;10(3):173–8. Google Scholar Pantalone VR, Burton JW, Carter TE Jr. Soybean fibrous root heritability and genotypic correlations with agronomic and seed quality traits. Crop Sci. 1996;36(5):1120–5.