Volume 21 Issue 3
Feb.  2017
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GAO Jian-she, FU Jun, LIU Yong-hong, CHEN Zhu-jun. Effects of N and P fertilizers on photosynthesis and transpiration of Eucommia ulmoides[J]. Journal of Zhejiang A&F University, 2004, 21(3): 254-257.
Citation: GAO Jian-she, FU Jun, LIU Yong-hong, CHEN Zhu-jun. Effects of N and P fertilizers on photosynthesis and transpiration of Eucommia ulmoides[J]. Journal of Zhejiang A&F University, 2004, 21(3): 254-257.

Effects of N and P fertilizers on photosynthesis and transpiration of Eucommia ulmoides

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九五 国家林业局重点中试推广项目(1996 中字19 号)

  • Received Date: 2003-09-05
  • Rev Recd Date: 2004-04-05
  • Publish Date: 2004-09-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Effects of N and P fertilizers on photosynthesis and transpiration of Eucommia ulmoides

Funds:

九五 国家林业局重点中试推广项目(1996 中字19 号)

Abstract: The rates of photosynthesis and transpiration of leaves of Eucommia ulmoides applied with nitrogenous and phosphatic fertilizers were measured for the analysis of variance .The findings showed that (1)the optimum temperature for the photosynthesis of Eucommia ulmoides was 28 ℃. (2)The daily changes in the net photosynthesis rate took a shape of dual-peak curve ;the high peak appeared around 9 ∶00 am and the secondary peak appeared around 12 :00 am .(3)The daily changes in the transpiration took the shape of single-peak curve ;the peak value appeared around 11 :00 am. (4)The average rate of daily photosynthesis of Eucommia ulmoides treated with N and P fertilizers (mN ∶mP2O5 =1.0∶1.2 )was 174.3 % higher than that in the control group . Therefore , this formula of N and P fertilizers was worth recommending .[ Ch , 1 tab .8 ref .]

GAO Jian-she, FU Jun, LIU Yong-hong, CHEN Zhu-jun. Effects of N and P fertilizers on photosynthesis and transpiration of Eucommia ulmoides[J]. Journal of Zhejiang A&F University, 2004, 21(3): 254-257.
Citation: GAO Jian-she, FU Jun, LIU Yong-hong, CHEN Zhu-jun. Effects of N and P fertilizers on photosynthesis and transpiration of Eucommia ulmoides[J]. Journal of Zhejiang A&F University, 2004, 21(3): 254-257.

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