Solar Radiation Utilization of Five Upland–Paddy Cropping Systems in Low-Light Regions Promoted by Diffuse Radiation of Paddy Season

Qi Liu,Zhiping Yang,Wei Zhou,Tao Wang,Yong Fu,Xueping Yue,Hong Chen,Youfeng Tao,Fei Deng,Xiaolong Lei,Wan-Jun Ren,Yong Chen

SSRN Electronic Journal（2022）

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摘要

•Annual global radiation was about 4000 MJ· m−2 for two years.•Radiation use efficiencies of annual and paddy season were 0.67% and 1.16%.•Diffuse radiation fraction was 51.1% and 77.3% during the upland and paddy season.•Rice had high radiation interception, net photosynthesis and net assimilation rate.•Radiation use efficiencies of GR, WR and RR were higher than other systems.

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关键词

Low-light region, Upland-paddy cropping systems, Diffuse radiation, Radiation use efficiency, Radiation interception

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