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- W2365489439 abstract "The net carbon sink effects and economic benefits of double rice cropping system under long-term fertilization experiment were evaluated based on the determination of rice yield and soil organic matter content,as well as the investigation of material and management inputs in the Red Paddy Soil Observational and Experimental Station of Poyang Lake region.Results showed the carbon sink derived from crop and soil increased under inorganic/organic combined fertilization compared to that under unique inorganic fertilization.And the increasing input of inorganic fertilization did not significantly improve ecosystem net carbon sink.The net carbon sinks of unique inorganic fertilization,double unique inorganic fertilization and inorganic/organic combined fertilization were 7.03 tC·hm-2·a-1,8.11 tC·hm-2·a-1 and 8.78 tC·hm-2·a-1,respectively.Ecosystem carbon sink reduced significantly under no fertilization ecosystem with the net carbon sink was 4.86 tC·hm-2·a-1,and it is also the lowest among all the fertilization treatments.Carbon sink from crop and the net ecosystem carbon sink was almost constant at different fertilization time if under the same fertilization condition,however,soil carbon sink changed greatly with fertilization time.It is urgent to discover proper fertilization practice to maintain and improve soil carbon sink besides purely pursuing higher crop yield.In conclusion,combined using organic fertilizer with inorganic fertilizer could not only increase ecosystem net carbon sink but also the economic benefits.Thus,organic fertilization is an effective way to achieve the target of the lower carbon and high quality agriculture." @default.
- W2365489439 created "2016-06-24" @default.
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- W2365489439 date "2011-01-01" @default.
- W2365489439 modified "2023-09-22" @default.
- W2365489439 title "Dynamic of Net Carbon Sink Effects and Economic Benefits in Double Rice Ecosystem Under Long-term Fertilization in Poyang Lake Region" @default.
- W2365489439 hasPublicationYear "2011" @default.
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