Effects of different irrigation patterns on the growth of rice root
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DOI：10.7606/j.issn.1000-7601.2007.01.21
Key Words: rice  intermittent irrigation  root attribution  root activit
Author NameAffiliation
XU Fen-fen Key laboratory of Crop Physiology Ecology and Crop Genetic Breeding Jiangxi Province；College of Agriculture Jiangxi Agricultural University Nanchang,330045,China 
ZENG Xiao-chun Department of Life Science Shangrao Teachers college Shangrao,334000,China 
SHI Qing-hua Department of Life Science Shangrao Teachers college Shangrao,334000,China 
YE Li-min Key laboratory of Crop Physiology Ecology and Crop Genetic Breeding Jiangxi Province；College of Agriculture Jiangxi Agricultural University Nanchang,330045,China 
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Abstract:
      Rice root growth under intermittent and flooded irrigation conditions was studied based on a root-box experiment.The result showed that rice in intermittent irrigation had higher root activity,more root biomass,deeper root distribution and more root biomass in the lower 10 cm soil layer after heading stage than in flooded irrigation.This might be one of the important physiological causes leading to high N absorption,dry matter accumulation and yield in intermittent irrigation treatment.
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