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“原丰早”是在毛主席革命路线指引下,利用原子能辐射引变的方法,经过三年五个世代于1973年选育而成的一个早熟偏迟,或中熟偏早的早籼品种。经全省50个农场(所)、63个公社、大队共113个单位试种结果,“原丰早”平均亩产870.5斤,最高亩产达1250斤。可比当前推广的生育期相似的早中熟品种“二九青”、“竹莲矮”、“圭陆矮8号”平均增产1～2成,与迟熟品种“广陆矮4号”产量接近。
Under the guidance of Chairman Mao’s revolutionary line, “Happo-Happo-Early” is a late-maturing early-maturing or early-maturing early indica variety that has been bred in 1973 after breeding for five generations in three years. . By the province’s 50 farms (by), 63 communes, brigade a total of 113 units of test results, “the original abundance of early” average yield of 870.5 kg, the highest yield of 1250 kg. The yield of early-maturing varieties “Erjiuqing”, “Zhulianai” and “Guailuai 8” which are similar to the current growing season can be increased by 1 ~ 2% on average. Compared with the late maturing variety “Guangluai 4” Close to