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生态学杂志 ›› 1986, Vol. ›› Issue (5): 6-12.

• 研究报告 • 上一篇    下一篇

我国东北地区农业生态系统的力能学研究——Ⅱ.东北平原地区主要农作物系统的能量利用

闻大中   

  1. 中国科学院林业土壤研究所
  • 收稿日期:1985-12-07 出版日期:1986-10-10

Study of Energetics of agroecosystems in Northeastern China:Ⅱ. Energy Utilization in Major Crop Systems in Northeastern Plain of China

Wen Dazhong   

  1. Institute of Forestry and Soil Science, Academia Sinica
  • Received:1985-12-07 Online:1986-10-10

关键词: 稳定同位素, 生态系统, 原有有机碳, 生育阶段, FACE

Abstract: The energy utilization in major crop systems in three selected counties in Northeastern plain of China was investigated.Some suggestions about effective utilization of energy especially from industrial or fossil fuel were given.Those crops are rice,corn,sorghum,wheat,soybean,millet,potatoes,sugar beets and sunflowers.

Key words: stable isotope, ecosystem, pre-existing organic carbon, development stage, FACE