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“有了优良品种,即不增加劳动力、肥料,也可获得较多的收成。”毛主席的这一教导,精辟地阐明了良种的增产作用。因此,不断选育推广良种,是十分重要的。近年来,上海郊区先后育成和引进了一批早熟后季稻新品种,为了进一步鉴定选拔这些新品种,根据市七五年后季稻区域试验方案,进行了品种比较试验,现将初步结果整理如下。
“With excellent varieties, that is, without increasing labor and fertilizers, more crops can be obtained.” This teaching by Chairman Mao provides a brilliant illustration of the yield-enhancing effect of improved varieties. Therefore, it is very important to constantly select and popularize good varieties. In recent years, Shanghai suburbs have bred and introduced a number of new varieties of early maturing and later season rice. In order to further identify and select these new varieties, according to the city after five or five years of rice regional trial program, a variety of comparative tests are now preliminary results as follows.