SRI Global News: Nov. 2023 - Jan. 2024 **sririce.org -- System of Rice Intensification
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SRI Global News: Nov. 2023 - Jan. 2024 **sririce.org -- System of Rice Intensification
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KOREA: Effect of SRI water management on the reduction of Greenhouse-Gas emissions and irrigation water supply in Paddy

KOREA: Effect of SRI water management on the reduction of Greenhouse-Gas emissions and irrigation water supply in Paddy | SRI Global News: Nov. 2023 - Jan. 2024 **sririce.org -- System of Rice Intensification | Scoop.it

Water management impacts both methane (CH4) and nitrous oxide (N20) emissions from rice paddy fields. Although irrigation is one of the most important methods for reducing CH4 emission in rice production systems it can also N20 emissions and reduce crop yields. A feasibility study on the system of rice intensification (SRI) methods with respect to irrigation requirements, greenhouse gas (GHG) emissions was conducted for either 2 or 3 years depending on the treatment in Korea. The SRI methods (i.e. SRI and midsummer drainage (MD) with conventional practice (CT)) reduced the irrigation requirement by 49.0 and 22.0 %, respectively.  The GHG emission from the conventional practice with midsummer drainage (MD) and the SRI plots, in GWP were reduced by 49.1 and 77.1 %, respectively. Application of SRI water management method could help to improve Korea's water resources and could thus contribute to mitigation of the negative effects of global warming.

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SOUTH KOREA: Evaluation of SRI Water Management on the Reduction of Irrigation Supply and NPS Pollution in Paddies | Korea Science

Monitored data (rainfall runoff and water quality) from 4 different paddy sites over 3 years were compared to analyze the effect of irrigation water management on irrigation supply and rainfall runoff quality in Korea. The system of rice intensification water management was adopted at one site (SRI) while the conventional water management method was used for rice culture at the other three sites (CT, SD and HD). ...The comparison revealed that SRI water management significantly reduced both irrigation supply and EMC in rainfall runoff. Paddy NPS pollution was closely related to factors that induce runoff such as rainfall and irrigation supply. It was concluded that SRI management could be an effective and practical option to cope with both water shortage due to climate change and water quality improvement in rural watersheds.

SRI-Rice's insight:

Seo, Jiyeon, Baekhyung Park, et al. 2016. Evaluation of SRI water management on the reduction of irrigation supply and NPS pollution in paddies. Journal of Korean Society on Water Environment 32(2): 183-190. doi:10.15681/KSWE.2016.32.2.183

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SOUTH KOREA: Greenhouse Gas Reduction from Paddy by Environmentally-Friendly Intermittent Irrigation: A Review

SOUTH KOREA: Greenhouse Gas Reduction from Paddy by Environmentally-Friendly Intermittent Irrigation: A Review | SRI Global News: Nov. 2023 - Jan. 2024 **sririce.org -- System of Rice Intensification | Scoop.it

Irrigated and flooded rice paddy contributes to the greenhouse gas emissions (GHG) that affect climate. This in turn affects the supply and reliability of the water needed for rice production. This dynamic makes current rice production methods foreseeably less sustainable over time while having other undesirable effects. Intermittent irrigation by a means of the system of rice intensification (SRI) and alternate wetting and drying (AWD) methods was reviewed to reduce global warming potential (GWP) from 29% to 90% depending on site-specific characteristics from flooded rice paddy and analyzed to be a promising option for enhancing the productivity of water as well, an increasingly constraining resource. Additional benefits associated with the SRI/AWD can be less arsenic in the grain and less degradation of water quality in the run-off from rice paddies. Adoption and expansion of intermittent irrigation of SRI/AWD may require costly public and private investments in irrigation infrastructure and upgrading of water management agencies.Private and public collaboration as a means of earning carbon credit under the clean-development mechanism (CDM) with SRI/AWD for industries can meet GHG emission quota as well as help to achieve UN sustainable development goals (SDGs).

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Effect of SRI Water Management on Water Quality and Greenhouse Gas Emissions in Korea - Choi -

Effect of SRI Water Management on Water Quality and Greenhouse Gas Emissions in Korea  - Choi - | SRI Global News: Nov. 2023 - Jan. 2024 **sririce.org -- System of Rice Intensification | Scoop.it

A feasibility study on SRI methods with respect to irrigation requirements, non-point source (NPS) pollution discharge, greenhouse gas (GHG) emissions and rice yields was conducted in Korea.  The data indicated the high potentiality of adoption of the SRI methods for paddy farming in Korea. The study concludes that application of SRI water management methods could help to improve Korea's water resources and water quality management, and could thus contribute to mitigation of the negative effects of global warming.

SRI-Rice's insight:

SRI reduced non-point source (NPS) pollution discharge, water use, and greenhouse gas (GHG) emissions in Korea (though not much yield gain). Not sure if full text is freely available online.

la amour's curator insight, December 3, 2022 9:42 AM

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