大豆45cm双条密植栽培技术及其增产原因分析

阐述了大豆45cm双条密植栽培技术的增产效果及技术要点，同时初步分析了增产原因。5a来依安县大豆45cm双条密植栽培技术推广达到10万hm^2，平均产量达165．4kg／667m^2，比对照田148．5kg／667m^2增产11．38％。实践证明，45cm双条密植栽培是提高大豆产量的有效措施。

Analyses on the benefit of increasing production and economic returns by 45cm double-row dense planting in soybeans

The article mainly elucidated the benefit of increasing production and economy by 45 cm double- row dense planting in soybeans. For five years, this cultivation practice has been extended in Yi - an county for 100 000 hm^2 , and yield of 165.4 kg per Mu was achieved while the control yield was only 148.5 kg per Mu. Thus, yield was increased by 11.38%. The practice shows that 45 cm double-row dense planting was effective measure to increase yield of soybean.