Field evaluation of activated carbon-based soil amendment and greenhouse gas monitoring for sustainable jasmine rice cultivation in central Thailand
タイ中部における持続可能なジャスミンライス栽培のための活性炭ベース土壌改良材と温室効果ガスモニタリングのフィールド評価 (AI 翻訳)
Pudit Smithtun, Surapong Siripongdee, Somchai Sonsupap
🤖 gxceed AI 要約
日本語
本研究は、タイ中部のジャスミンライス栽培において、活性炭ベースの土壌改良材と温室効果ガスモニタリングを組み合わせた予備的フィールド評価を実施。6%活性炭処理でCH4排出が最も低く、4%処理でN2O排出と玄米中のPb・Cr濃度が低減。8%処理で最大収量（1,582.53 kg ha-1）を達成した。完全な反復試験による確認が必要。
English
This exploratory field evaluation in central Thailand tested activated carbon-based soil amendments with greenhouse gas monitoring in jasmine rice. The 6% activated carbon treatment showed the lowest CH4 response, while the 4% treatment reduced N2O and heavy metal (Pb, Cr) in rice grain. The 8% treatment gave the highest yield. Full replication trials are needed for confirmation.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本の水田でもメタン排出削減が課題であり、活性炭等の土壌改良材によるGHG削減効果は参考になる。ただしタイの品種・気候条件での結果であり、日本への直接適用にはさらなる検証が必要。
In the global GX context
This study provides field-level evidence on activated carbon's potential to mitigate GHG emissions (CH4 and N2O) in rice paddies, contributing to global knowledge on sustainable rice cultivation and climate-smart agriculture.
👥 読者別の含意
🔬研究者:Provides preliminary data on activated carbon effects on GHG emissions and heavy metals in rice, useful for designing replicated trials.
🏢実務担当者:Indicates potential for activated carbon amendments to reduce emissions and improve yield, but recommends confirmation before adoption.
🏛政策担当者:Suggests that soil amendments could be part of agricultural GHG mitigation strategies, though more robust evidence is needed.
📄 Abstract（原文）
Sustainable rice cultivation requires field-based strategies that reduce environmental impacts while maintaining crop productivity. This study presents an exploratory field evaluation of activated carbon-based soil amendment formulations combined with greenhouse gas monitoring in jasmine rice cultivation in Nakhon Luang District, Phra Nakhon Si Ayutthaya Province, Thailand. Six treatment-level field plots were evaluated using Khao Dawk Mali 105 rice, including a no-amendment control, urea fertilizer 46-0-0, and activated carbon-based amendments containing 2%, 4%, 6%, and 8% activated carbon. Four 2 m × 2 m subplots within each treatment plot were used as within-plot sampling locations and were not treated as independent field replicates. Greenhouse gases were monitored using a closed chamber method coupled with a GASERA ONE gas analyzer, while heavy metals in soil and white rice grain were analyzed using atomic absorption spectrophotometry. The AC-based amendment 6% treatment showed the lowest observed CH₄ response, whereas the AC-based amendment 4% treatment showed the lowest observed N₂O response and lower Pb and Cr concentrations in white rice grain. The AC-based amendment 8% treatment produced the highest yield at 1,582.53 kg ha-1. These findings provide preliminary field evidence and require confirmation through fully replicated field trials.
🔗 Provenance — このレコードを発見したソース
- crossref https://doi.org/10.55214/2576-8484.v10i7.13301first seen 2026-07-16 07:20:36
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