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Volume 20 Issue 3
Apr.  2012
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Article Contents
JIANG Zhao-wei, LIN Wen-xiong, LI Yi-zhen, ZHUO Chuan-ying, YANG Hui-jie, XIE Hua-an. Effects of nitrogen fertilizer rates on some physiological characteristics of ratoon rice[J]. Fujian Journal of Agricultural Sciences, 2005, 20(3): 168-171.
Citation: JIANG Zhao-wei, LIN Wen-xiong, LI Yi-zhen, ZHUO Chuan-ying, YANG Hui-jie, XIE Hua-an. Effects of nitrogen fertilizer rates on some physiological characteristics of ratoon rice[J]. Fujian Journal of Agricultural Sciences, 2005, 20(3): 168-171.

Effects of nitrogen fertilizer rates on some physiological characteristics of ratoon rice

  • Received Date: 2005-02-01
  • Publish Date: 2005-09-15
  • The effects of N fertilizer rates on some physiological characteristics of ratoon rice were studied.The results showed that the activity of nitrate reductase (NR), chlorophyll contents and net photosynthetic rate in the leaves of ratoon rice increased as nitrogen application rate (57.5-287.5kg·hm-2) was enhanced.The biochemical analysis indicated that the optimum nitrogen application rate also increased the activities of cell defense enzymes, thereby reduced menbrane detriment by active oxygen species produced in the process of senescence, consequently, protected photosynthetic function of green leaves in rice and enhanced root activity, in turn delayed senescence and increased yield.
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    曹树青,翟虎渠,钮中一,等.不同产量潜力水稻品种的剑叶光合特性研究[J].南京农业大学学报,2000,23(3):1-4.
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    文树基.基础生物化学实验指导[M].西安:陕西科学技术出版社,1990.50-52,91-96.
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