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阿城县大力推广早熟高产的优良单交种——龙单一号玉米,获得了显著的增产。据八个公社的统计,一九七八年播种面积已达到四千八百六十亩,一般亩产都在八百斤以上,超过八百斤的就有三千二百一十亩,增产粮食九十七万四千七百斤。有一部份地块超过千斤。小岭公社石发大队,四周环山,气温低,无霜期短,属于第二积温带。过去以嫩单一号为主,搭配群育一号。一迂灾年发生贪青晚熟,就严重减产。石发大队社员迫切要求
Acheng vigorously promote the precocious and high yield fine single cross - Long No. one corn, access to a significant increase. According to the statistics of the eight communes, the area planted in 1978 has reached 4,600 mu, the average mu production is above 800 kilograms, and that of more than 800 kilos is 3,121 mu, with an increase of production Nine hundred seventy-four thousand seven hundred jin of grain. Part of the land more than a kilogram. Xiaoling commune stone brigade, surrounded by mountains, low temperature, frost-free period is short, belong to the second plot temperate zone. In the past to tender a single number, with a group number one. A year of greyish late Qing Dynasty, a serious cut. Stone hair brigade members urgently requested