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田间条件下,以合农60(有限),垦丰16(亚有限)和合丰55(无限)3个大豆品种为试材,采用再裂区试验设计,探讨播期、品种和密度对不同大豆品种农艺性状及产量的影响。结果表明:播期显著影响大豆产量;播期和密度互作、品种和密度互作以及播期、品种和密度互作对大豆产量均产生影响,达到极显著水平。3个大豆品种在铁岭地区适宜播期为5月4日,在此播期下,合农60在密度45万株·hm~(-2)时产量最高,为1 810.5 kg·hm~(-2);而垦丰16和合丰55均在30万株·hm~(-2)时产量最高,分别为1 721.55和1 678.95 kg·hm~(-2)。
Under field conditions, three soybean varieties, Hennon 60 (limited), Kenfeng 16 (sub limited) and Hefeng 55 (unlimited), were used as experimental materials to study the effects of sowing date, variety and density on soybean yield Effects of Varieties Agronomic Traits and Yields. The results showed that: sowing date significantly affected soybean yield; sowing date and density interaction, variety and density interaction and sowing date, variety and density interaction had an impact on soybean yield, reaching extremely significant level. The suitable seeding date of three soybean varieties in Tieling was May 4, and under the sowing date, the yield of Henong 60 was the highest at the density of 450,000 plants · hm -2, which was 1 810.5 kg · hm ~ (- 2), while the highest yield of Kenfeng 16 and Hefeng 55 were 30000 plants · hm -2, which were respectively 1 721.55 and 1 678.95 kg · hm -2.