Michel B E,Kaulmann M.The osmotic potential of polyethylene glycol 6000[J].PLANT PHYSIOLOGY.1973,51:914-916
[3]
Sattelmacher B.Methods for measuring root volume and for study root morphology[J].Z Pflansenern(a)hrung Bodenkunde.1987,150:54-55
[4]
Asch F,Dingkuhn M,Sow A.Drought-induced changes in rooting patterns and assimilate partitioning between root and shoot in upland rice[J].Field Crops Research.2005,93:223-236