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研究选用3个不同株型品种连玉16、丹玉39和郑单958,在辽宁省5个地点设6种密度进行了连续两年的试验。结果表明:3个品种在沈阳和铁岭具有相同的适宜密度,连玉16、丹玉39和郑单958分别为48000、57000、67500株/hm2;在朝阳连玉16、丹玉39和郑单958的适宜密度分别为57000、57000、57000～67500株/hm2;在大连连玉16、丹玉39和郑单958分别为39000、48000～57000、67500株/hm2;在丹东连玉16、丹玉39和郑单958分别为39000～48000、48000～57000、67500株/hm2。
Three different plant types, Liangyu 16, Danyu 39 and Zhengdan 958, were selected in this study. Six kinds of density were tested in five locations in Liaoning Province for two consecutive years. The results showed that the three cultivars had the same optimum density in Shenyang and Tieling, with 48000, 57000 and 67500 plants / hm2 respectively in Liangyu 16, Dan 39 and Zhengdan 958; 958 were 57000, 57000, 57000 ~ 67500 plants / hm2, respectively. There were 39000, 48000 ~ 57000 and 67500 plants / hm2 respectively in Dalian Liangyu 16, Danyu 39 and Zhengdan 958, Jade 39 and Zheng Dan 958 were 39000 ~ 48000, 48000 ~ 57000, 67500 plants / hm2.