Responses of soybean yield and yield components to light enrichment and planting density

Authors

  • Bing LIU Key laboratory of Black Soil Ecology, Northeast Institute of Geography and Agroecology, Chinese Academy of Science, Harbin 150081, China. Graduate University of the Chinese Academy of Sciences, Beijing 100049, China.
  • Cheng WANG Key laboratory of Black Soil Ecology, Northeast Institute of Geography and Agroecology, Chinese Academy of Science, Harbin 150081, China.
  • Jian JIN Key laboratory of Black Soil Ecology, Northeast Institute of Geography and Agroecology, Chinese Academy of Science, Harbin 150081, China.
  • M. Hashemi Department of Plant, Soil, and Insect Sciences, University of Massachusetts, Amherst, MA, 01003, USA.
  • S.J. Herbert Department of Plant, Soil, and Insect Sciences, University of Massachusetts, Amherst, MA, 01003, USA.
  • Xiao-bing LIU Key laboratory of Black Soil Ecology, Northeast Institute of Geography and Agroecology, Chinese Academy of Science, Harbin 150081, China.
Abstract:

Light intensity intercepted by the soybean canopy during the reproductive period is an important environmental factor determining soybean yield components and grain yield. A 2-year field experiment was conducted to investigate the effects of light enrichment and its interaction with planting density on yield formation of soybean cultivars. Light enrichment increased seed yield per plant and yield per unit area dramatically ranging from 26-94% (P

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Journal title

volume 4  issue 1

pages  1- 10

publication date 2012-07-29

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