高纬度地区大豆主要农艺性状与产量关系的研究

本研究选用适合黑龙江省高纬度地区种植的31个大豆品种（系），按照试验要求进行设计、项目调查、室内考种，运用差异性、灰色关联度、相关分析的方法进行数据分析整理。得出生育前期、单株粒重、每荚粒数、单株粒数是影响该地区大豆产量的主要农艺性状，同时在选择单株时应兼顾茎粗、株高、分枝数的影响。

Research over Relations between Major Agricultural Characters and Soybean Yield in High Altitude Areas

The research selects 31 soybean varieties/lines suitable for high altitude culture in Heilongjiang Province,makes experiment design,project survey and indoor seed examination,and uses methods of difference,grey relational grade and relevancy analysis for data sorting and analysis. It is concluded that early growth period,soybean weight per plant,soybean amount per legumen,and soybean amount per plant are the major agricultural characters influencing soybean yield in this area,and attention shall be paid to ...