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1977年“成单四号”在新都县大面积示范推广获得成功,12,000商三熟制玉米平均亩产650斤,比全县近40,000亩杂交玉米平均亩产高出86斤。其中有千亩以上超过800斤,百亩以上超过900斤,十亩以上过了1,000斤。天元公社五桂大队56亩玉米丰产片亩产达到900斤以上,其中9亩超千斤,最高亩产1,090斤。“成单四号”一举闯过了千斤关,创造了我省丘陵平坝区玉米高产新纪录。1978年全省推广“成单四号”30多万亩。“成单四号”1976、1977年参加全国玉米杂交种区试西南组试验,连续两年居第一位,西南
In 1977, “No. 4” won the large-scale demonstration and promotion in Xindu County. The average output of 12,000 commercial three-cooked corn was 650 kg, 86 kilograms higher than the average yield of 40,000-mu hybrid corn in the county. Among them, more than 800 acres more than a thousand acres, more than 900 acres mu, more than 10 acres over 1,000 pounds. 56 acres of Tianyuan commune Wu Gui Brigade 56 acres of corn yield per mu reached more than 900 pounds, of which 9 acres overweight, the highest yield 1,090 pounds. “Single No. 4” in one fell swoop past Jianqiang off, creating a new record high yield of corn in Pingba District. In 1978 the province to promote “into a single on the 4th” more than 30 acres. “Single No. 4” In 1976, 1977 to participate in the National Corn Hybrid Zone Southwest test group, ranking first in two consecutive years, southwest