3Kaufmann M R. Leaf conduce ance as a function of pho- tosynthetic photon flux density and absolute humidity difference from leaf to air[ J]. Plant physiology, 1982,69 (4) :1018.
4McCree K J. Whole-plant carbon balance during osmotic adjustment to drought and salinity stress [ J ]. Australian Journal of Plant Physiology, 1986,13 ( 8 ) :33.
