@ARTICLE {ZHANG:2010b, title = {Evaluation of critical shattering time of early-maturity soybeans under early soybean production system}, author = {Zhang, L. and Boahen, S. }, journal = {Agriculture and Biology Journal of North America}, year = {2010}, volume = {1}, number = {4}, pages = {440--447}, issn = {2151-7517. Online: 2151-7525}, }