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80年代以来，地处里下河地区的我县大麦提早拔节现象时有发生，特别是1994～1995年度受到百年未遇的暖冬气候影响，大麦提早拔节现象较其它地区更为突出，较小麦更为明显，部分提前至冬前拔节。提早拔节，使大麦不能安全越冬，叶片、茎杆、乃至幼穗冻伤冻死。为此本文通过对气
Since the 1980s, barley emergence in our county located in the Lixiahe area has occurred frequently. Especially in 1994-1995, it was affected by the warm winter climate which was not encountered in a hundred years. The phenomenon of early jointing of barley was more prominent than that of other areas. As obvious, some advance to jointing before winter. Early jointing, so that barley can not be safe wintering, leaves, stems, and even the fringe frostbite frozen to death. To this end through the gas