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Carbon Sequestration and Greenhouse Gas Emissions for Different Rice Cultivation Practices by Sohini Gangopadhyay; Rituparna Banerjee; Sunanda Batabyal; Nilanjan Das; Ayan Mondal; Subodh Chandra Pal; Sudipto Mandal is a Environmental Science article available to read on EtoBox.

What is Carbon Sequestration and Greenhouse Gas Emissions for Different Rice Cultivation Practices about?

Traditional rice farming systems require large amounts of water for irrigation, labour for transplanting culms and tending fields, and therefore, emit large amounts of greenhouse gases such as carbon dioxide (CO2), nitrous oxide (N2O) and methane (CH4). Adopting alternative rice farming practices could reduce greenhouse gas emissions and increase carbon (C) sequestration. In this study, an on-site field experiment was conducted to assess the contribution of carbon by farm operations involved in the three types of rice cultivation practices: conventional (CVN), the system of rice intensification (SRI), and zero-tillage (ZTL). The study was aimed to examine the carbon indices under three different rice cultivation methods to assess the ecosystem services and disservices associated with carbon sequestration and emission. Results showed that fertilizer application significantly contributed to GWP among the three cultivations. In the CVN and ZTL plots, the GWP was higher for CH4 and N2O. However, all three cultivation strategies acted as carbon sinks, with SRI cultivation yielding the highest sequestration values. The lower CF, higher CS, and higher CER values were obtained for SRI fiel

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Author

Sohini Gangopadhyay; Rituparna Banerjee; Sunanda Batabyal; Nilanjan Das; Ayan Mondal; Subodh Chandra Pal; Sudipto Mandal

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Environmental Science (Physical Sciences)