桐乡县留良公社华光大队,地处浙北平原稻区,是一个春粮连作稻三熟制面积较大的大队。由于该队重视春粮生产,能够根据1977年冬旱、气温偏高和1978年倒春寒时间长的气候特点,采取相应的技术措施,因此,取得1978年春粮超历史的大丰收。全大队1004亩大、小麦,平均亩产502.6斤,比1977年增产157％,比历史上最高产的1974年还增产3成以上。其中大麦(早熟3号占 Tongliang Liuliang commune Huaguang brigade, is located in the northern part of Zhejiang plain rice area, is a spring grain even rice three cooked system larger brigade. As the team attaches great importance to spring grain production, it can take corresponding technical measures according to the climatic characteristics of the winter drought of 1977, high temperatures and prolonged cold weather in 1978. Therefore, a great bumper harvest of spring wheat over 1978 was achieved. The entire brigade of 1004 acres of large, average yield of wheat 502.6 pounds, 157% increase over 1977, more than the highest yield in 1974, also increased by more than 3 percent. Among them barley (precocious 3 accounted for