LIU Wen-lin,ZHANG Hong-ji,SUN Yan,et al.Effects of Planting Density on Yield and Quality of Multiple Cropping Soybean After Wheat[J].HEILONGJIANG AGRICULTURAL SCIENCES,2021,(12):11-14.[doi:DOI:10.11942/j.issn1002-2767.2021.12.0011]
栽培密度对麦茬复种大豆产量及品质的影响
- Title:
- Effects of Planting Density on Yield and Quality of Multiple Cropping Soybean After Wheat
- Keywords:
- early maturing wheat; multiple cropping; early maturing soybean; yield; qnality
- 文献标志码:
- A
- 摘要:
- 为了探讨黑龙江省第一积温区麦茬复种早熟大豆的效益，提高土地利用率和农民的收入，选用万仓5号大豆品种进行麦茬复种试验，大豆分别采用54.0万、61.5万和70.5万株·hm-2的种植密度，调查大豆生长发育状况，测定主要产量性状和籽粒的蛋白质与脂肪含量。结果表明：不同密度对大豆株高、分枝数与荚数的影响没有达到极显著水平，主茎节数之间达到极显著水平。不同种植密度间大豆籽粒蛋白质和脂肪含量有差异，但未达到显著水平。万仓5号种植密度大于61.5万株·hm-2时，产量可达到1 500 kg·hm-2以上。2020年在大庆市设置的3个龙辐麦1号后茬复种早熟大豆万仓5号的示范试验点均取得了可观的经济效益。
- Abstract:
- In order to explore the technical system of multiple cropping when following wheat with early-maturing soybean in the first accumulated temperature area of Heilongjiang Province,to improve land use efficiency and farmers’ income,the experiment of multiple cropping of Wancang 5 was carried out,the growth and development of soybean were investigated with different planting densities of 540 000,615 000 and 705 000 plants·hm-2; Protein and fat contents of soybean grains and the main yield traits were determined.The results showed that the effects of different densities on plant height,branch number and pod number were not significant,but the effects on node number of main stem was significant.The protein and fat contents of soybean grains were different between different planting densities,but not significant.The planting density of Wancang 5 was more than 615 000 plants·hm-2,and the yield could reach more than 1 500 kg·hm-2.In 2020,three demonstration test sites of Longfumai 1 multiple-cropping early-maturing soybean Wancang 5 were set up in Daqing city,and considerable economic benefits were obtained.
参考文献/References:
参考文献：
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备注/Memo
收稿日期：2021-09-27