N and S concentration and stoichiometry in soybean during vegetative growth: Dynamics of indices for diagnosing the S status

作者:Divito Guillermo A; Echeverria Hernan E; Andrade Fernando H; Sadras Victor O
来源:Field Crops Research, 2016, 198: 140-147.
DOI:10.1016/j.fcr.2016.08.018