Changes of frost hardiness and physiological indexes in Pinus sylvestris L.var.mongolica Litv.during frost hardening
LI Zhen1,SUN Biao-biao1, ZHANG Gang1, YUAN De-shui 2, WANG Li 2,ZHANG Bao-xiang2, LI Jin-lan2
Journal of Hebei Agricultural University ›› 2013, Vol. 36 ›› Issue (1) : 46-49.
Changes of frost hardiness and physiological indexes in Pinus sylvestris L.var.mongolica Litv.during frost hardening
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