作者单位:Louisiana State Univ, Ctr Agr, Sch Plant Environm & Soil Sci, Baton Rouge, LA 70803 USA[1]Louisiana State Univ, Ctr Agr, Audubon Sugar Inst, St Gabriel, LA 70776 USA[2]Seoul Natl Univ, Grad Sch Int Agr Technol, Pyeongchang 232916, South Korea[3]