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1983年我司在协和区杨柳公社、中坪区沙坝公社集中连片制种杂交玉米1503亩,总产65.61万斤,平均单产436斤,比地区定产39.88万斤,增产25.73万斤。其中兴玉一号×获白700亩,单产614斤,兴玉一号594亩,单产284斤;七三单交89.5亩,单产223斤。繁殖自交系119.5亩,单产310斤。不论是制种还是繁殖都创造了我县单产历史最高水平。与单产较高的1980年比较,是1980年181斤的2.4倍。与1982年比较,单产为1982年137斤的3.2倍,总产为1982年63294斤的10
In 1983, our company concentrated 1505 acres of contiguous hybrid corn in Yangliu commune of Xiehe district and Shaba commune of Zhongping district, with a total output of 656,100 kg, yielding an average yield of 436 kg and a yield of 398,800 kg, an increase of 257,300 kg compared with that of the region. Among them, Xingyu No.1 was given a harvest of 700 mu with a yield of 614 jin and Xingyu No.1 of 594 mu with a yield of 284 jin; Inbreeding 119.5 mu, yield 310 pounds. Whether it is seed or breeding have created the highest level of history of yield in our county. Compared with the 1980 high yield, it was 2.4 times that of 181 pounds in 1980. Compared with 1982, the yield was 3.2 times of 137 pounds in 1982 and the total output was 63,294 kg in 198210