Integrated rice-duck farming decreases global warming potential and increases net ecosystem economic budget in central China

Integrated rice-duck farming decreases global warming potential and increases net ecosystem... Over the past decades, many attempts have been made to assess the effects of integrated rice-duck farming on greenhouse gas emissions, use efficient of energy, soil fertility, and economic significance. However, very few studies have been focused on the effects of the farming on net ecosystem economic budget (NEEB). Here, a 2-year field experiment was conducted to compre- hensively investigate the effects of ducks raised in paddy fields on CH and N O emissions, global warming potential (GWP), 4 2 rice grain yield, and NEEB in central China. The experiment included two treatments: integrated rice-duck farming (RD) and conventional rice farming (R). The introduction of ducks into the paddy fields markedly increased the rice grain yield due to enhanced tiller number and root bleeding rate. RD treatment significantly elevated the N O emissions (p <0.05) but decreased CH emissions (p < 0.05) during rice growing seasons compared with R treatment. Analysis of GWP based on CH and N O 4 4 2 emissions showed that compared with R treatment, RD treatment significantly decreased the GWP by 28.1 and 28.0% and reduced the greenhouse gas intensity by 30.6 and 29.8% in 2009 and 2010, respectively. In addition, RD treatment increased http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Environmental Science and Pollution Research Springer Journals

Integrated rice-duck farming decreases global warming potential and increases net ecosystem economic budget in central China

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2018 by Springer-Verlag GmbH Germany, part of Springer Nature
Subject
Environment; Environment, general; Environmental Chemistry; Ecotoxicology; Environmental Health; Atmospheric Protection/Air Quality Control/Air Pollution; Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution
ISSN
0944-1344
eISSN
1614-7499
D.O.I.
10.1007/s11356-018-2380-9
Publisher site
See Article on Publisher Site

Abstract

Over the past decades, many attempts have been made to assess the effects of integrated rice-duck farming on greenhouse gas emissions, use efficient of energy, soil fertility, and economic significance. However, very few studies have been focused on the effects of the farming on net ecosystem economic budget (NEEB). Here, a 2-year field experiment was conducted to compre- hensively investigate the effects of ducks raised in paddy fields on CH and N O emissions, global warming potential (GWP), 4 2 rice grain yield, and NEEB in central China. The experiment included two treatments: integrated rice-duck farming (RD) and conventional rice farming (R). The introduction of ducks into the paddy fields markedly increased the rice grain yield due to enhanced tiller number and root bleeding rate. RD treatment significantly elevated the N O emissions (p <0.05) but decreased CH emissions (p < 0.05) during rice growing seasons compared with R treatment. Analysis of GWP based on CH and N O 4 4 2 emissions showed that compared with R treatment, RD treatment significantly decreased the GWP by 28.1 and 28.0% and reduced the greenhouse gas intensity by 30.6 and 29.8% in 2009 and 2010, respectively. In addition, RD treatment increased

Journal

Environmental Science and Pollution ResearchSpringer Journals

Published: May 31, 2018

References

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