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Updated: Aug 12, 2026

High-Throughput Analysis of Non-Photochemical Quenching in Crops Using Pulse Amplitude Modulated Chlorophyll Fluorometry
Published on: July 6, 2022
[Effects of illumination, carbon source and reducing power on N2O emission from maize and soybean seedlings]
Yueying Li1, Yu Yang, Xudong Zhang
1Key Laboratory of Terrestrial Ecological Process, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang. yueyinglicn@yahoo.com.cn
Abstract:
The closed chamber measurement of N2O emission from soybean and maize seedlings showed that there were two peaks (10:30 and 14:30) of N2O flux at the daytime. There was a correlation between N2O emission and illumination. The variation of illumination had a significant influence on N2O flux from soybean and maize seedlings. There was a positive correlation between N2O emission and illumination when the illumination was below 11,345 Lx (for soybean, R2 = 0.7332) or 2,000 Lx (for maize, R2 = 0.8711), and a negative correlation when the illumination was over 11,345 Lx (for soybean, R2 = 0.7755) or 20,000 Lx (for maize, R2 = 0.8972). Addition of carbon source (glucose) and NADH (reducing power) decreased N2O flux.
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