密度及追肥量对黑龙江省部分玉米品种产量的关系研究  

Effect of Variety Density and Additional Fertilizer Amount on Maize Yield in Heilongjiang Province

作　　者：朱立娟[1] 金益[1] 董玲[1] 郭立荣 

机构地区：[1]东北农业大学农学院,哈尔滨150030 [2]绥中利伟高级中学,辽宁葫芦岛125200

出　　处：《中国农学通报》2012年第30期121-124,共4页Chinese Agricultural Science Bulletin

摘　　要：为了探索出黑龙江省中南部地区的部分高产稳产玉米品种及其最适宜的种植密度及施肥量,为大面积生产提供科学指导和应用的参考指标,通过三因素随机区组试验,研究了品种、密度、追肥量对玉米产量的影响。经方差分析表明:品种间与密度间的产量差异均达到极显著水平,密度与追肥量互作间的产量差异达显著水平,而追肥量之间的产量差异不显著。通过试验结果分析认为:‘郑单958’的产量最高,其次是‘东农250’;密度为71500株/hm2时产量最高,但与57000株/hm2的产量差异不显著;最适的密度与追肥量的组合为57000株/hm2,225kg/hm2。综合各因子水平组合效应对玉米产量影响的试验结果,可初步认定最佳处理组合为:‘郑单958’,57000株/hm2,225kg/hm2;其次为‘东农250’,57000株/hm2,225kg/hm2,二者差异不显著。In order to find out the most suitable planting density and fertilizer of some stable corn varieties of high yield in the central-south part of Heilongjiang Province, and provide scientific guidance and reference for large scale production and application, the yield of different maize varieties planted at different levels of density and the amount of fertilizer was studied by this three factors randomized experiment. The results showed that, the difference of the yield among different maize varieties and different levels of density was very significant and mutual effect between density and the amount of fertilizer was significant, while the difference of the yield among different fertilizer was not. The results of experimental analysis suggested that, the most outstanding variety was ＇Zhengdan958＇, followed by ＇Dongnong250＇; the yield of 71500 plants/hm^2 was the highest, but had no significant difference with the 57000 plants/hm^2; the optimal combination of density and fertilizer application was 57000 plants/hm^2 and 225 kg/hm^2, In conclusion, the optimal treatment： ＇Zhengdan958＇, 57000 plants/hm^2, 225 kg/hm^2, the second was ＇Dongnong250＇, 57000 plants/hm^2, 225 kg/hm^2, and there was no significant difference between them.

关 键 词：玉米 密度 追肥量 产量 

分 类 号：S513[农业科学—作物学]