How well can we assess impacts of agricultural land management changes on the total greenhouse gas balance (CO2, CH4 and N2O) of tropical rice-cropping systems with a biogeochemical model?

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How well can we assess impacts of agricultural land management changes on the total greenhouse gas balance (CO₂, CH₄ and N₂O) of tropical rice-cropping systems with a biogeochemical model?

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作者：David Kraus^a ; Sebastian Weller^a ; Steffen Klatt^a ; Ignacio Santabá ; rbara^a ; Edwin Haas^a ; Reiner Wassmann^a ; ^b ; Christian Werner^c ; Ralf Kiese^a ; Klaus Butterbach-Bahl^a ; ^d ; ^{klaus.butterbach-bahl@kit.edu" class="auth_mail" title="E-mail the corresponding author}
关键词：LandscapeDNDC ; Methane ; Nitrous oxide ; Soil organic carbon ; Rice ; Land management change
刊名：Agriculture, Ecosystems & Environment
出版年：2016
出版时间：15 May 2016
年：2016
卷：224
期：Complete
页码：104-115
全文大小：1975 K

文摘

•: GHG (CO₂, CH₄, N₂O) balances of differently managed rice systems.
•: Aquatic biomass should be considered for long-term SOC dynamics of rice systems.
•: Land management effects on the GHG balance differ with simulation length.
•: Stabilization of SOC stocks require 2.8–3.4 t C ha⁻¹ yr⁻¹ of residues return.