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作物学报 ›› 1984, Vol. 10 ›› Issue (02): 137-143.

• 研究论文 • 上一篇    

小麦午睡原因的研究Ⅰ.大田生态因子与午睡的关系

韩凤山   

  1. 河北省张家口地区农业专科学校
  • 收稿日期:1983-10-02 修回日期:1984-03-06 出版日期:1984-06-12 网络出版日期:1984-06-12

STUDY ON THE CAUSES FOR PHOTOSYNTHETIC DECREASE OF WHEAT AT THE MIDDLE DAY(Ⅰ)

Han Fengshan, Zhao Ming, Zhao Shongshan   

  1. Zhangjiakou Agricultural School; Xuanhua County; Hobei Province
  • Received:1983-10-02 Revised:1984-03-06 Published:1984-06-12 Published online:1984-06-12

摘要: 从光照、气温和大气 CO_2浓度等3个因子的日变化动态分析研究了大田群体条件下小麦表观光合作用午睡的原因。结果表明:在正午大田气温超过小麦光合适温(24℃)、大气 CO_2浓度下降是形成小麦午睡的重要因素;光照超过光饱和点不会引起午睡。讨论了挖掘午睡产量潜力的前景。

Abstract: The cause for photosynthetic decrease of wheat at the middle of theday were researched in the fields from the aspects of intensity ofsolar radiation,air temperature and CO_2 concentration.The results wereobtained as follows:1.The light which exceeded the light saturation point did not deri-ve photos

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