Influence of sowing date on phenological stages, seed growth and marketable yield of four vegetable soybean cultivars in North-eastern USA
Qiu-ying Zhang1,3, , Qing-lu Gao2,3, S. J. Herbert3, Yan-sheng Li1 and A. M. Hashemi3
1CAS Key laboratory of Mollisols Agroecology, North-east Institute of Geography and Agroecology, Chinese Academy of Sciences, Harbin 150081, China.
2Henan Institute of Science and Technology, Xinxiang 450003, Henan, China.
3Center for Agriculture, College of Natural Sciences, University of Massachusetts, Amherst, MA 01003, USA.
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