Effects of Different Nitrogen Regimes on Soil Physico-chemical Properties and Metabolites in Rice Rhizosphere

CHEN Jun; HUANG Shan-yu; LIU Bing; WU Lin-kun; LIN Wen-xiong

doi:10.19303/j.issn.1008-0384.2015.11.011

Volume 30 Issue 11

Nov. 2015

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CHEN Jun, HUANG Shan-yu, LIU Bing, WU Lin-kun, LIN Wen-xiong. Effects of Different Nitrogen Regimes on Soil Physico-chemical Properties and Metabolites in Rice Rhizosphere[J]. Fujian Journal of Agricultural Sciences, 2015, 30(11): 1082-1089. doi: 10.19303/j.issn.1008-0384.2015.11.011

Citation:

CHEN Jun, HUANG Shan-yu, LIU Bing, WU Lin-kun, LIN Wen-xiong. Effects of Different Nitrogen Regimes on Soil Physico-chemical Properties and Metabolites in Rice Rhizosphere[J]. Fujian Journal of Agricultural Sciences, 2015, 30(11): 1082-1089. doi: 10.19303/j.issn.1008-0384.2015.11.011

Citation:

CHEN Jun, HUANG Shan-yu, LIU Bing, WU Lin-kun, LIN Wen-xiong. Effects of Different Nitrogen Regimes on Soil Physico-chemical Properties and Metabolites in Rice Rhizosphere[J]. Fujian Journal of Agricultural Sciences, 2015, 30(11): 1082-1089. doi: 10.19303/j.issn.1008-0384.2015.11.011

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Effects of Different Nitrogen Regimes on Soil Physico-chemical Properties and Metabolites in Rice Rhizosphere

doi: 10.19303/j.issn.1008-0384.2015.11.011

1. College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China;
2. Key Laboratory of Crop Ecology and Molecular Physiology of Fujian Universities, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China

Received Date: 2015-10-12
Publish Date: 2015-11-18

Abstract

Abstract

The goal of this study is to understand how nitrogen(N)influences the yield,physico-chemical properties and soil enzyme activities and metabolites in rice rhizosphere by keeping the total N supply constant and varying the ratio of early to late growth stage fertilizer application.The results showed that soil urease,soil sucrose,available nutrients and yield were significantly higher in NP(efficient nitrogen application)than in NT(traditional nitrogen application).However,pH value showed the opposite trend.Furthermore,metabolomics analysis by GC-MS identified 7kinds of differentiallyregulated metabolites in soils,including alcohols,phenolic acids,phenols,ethers,anhydride and ketones.In conclusion,efficient nitrogen application can improve soil enzymes,soil available nutrients and yield.
- nitrogen,
- rice,
- soil nutrient,
- soil enzyme activity,
- metabolomics

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References(20)

References

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