Effects of Organic Amendments with No-Tillage on Greenhouse Gas Emissions and Soil Organic Carbon in Maize (Zea mays) Fields

: This study analyzed the effects of tillage management and organic amendments on soil properties, greenhouse gas (GHG) emissions, soil organic carbon (SOC) and maize growth in an organic farming system. The results showed that tillage increased carbon dioxide (CO 2 ) emissions, whereas organic amendments initially increased nitrous oxide (N 2 O) emissions but gradually decreased over time. Methane (CH 4 ) emissions remained low regardless of tillage conditions. Organic amendments application had a positive effect on SOC accumulation, with compost treatment showing the highest SOC and mineral-associated organic matter (MAOM) content, demonstrating its potential for stable carbon storage. The net ecosystem carbon budget (NECB) analysis revealed that no-tillage with organic amendments application led to a net carbon sequestration effect, with compost treatment recording the highest NECB value. These findings confirm that compost can effectively reduce GHG emissions while enhancing soil carbon storage. Furthermore, organic amendments such as compost can serve as a sustainable alternative to chemical fertilizers, contributing to the reduction of GHG emissions and improving carbon sequestration in soil. Proper combinations of tillage practices and organic amendments can maintain crop productivity while promoting sustainable agriculture.

• Publication year

  2025

• Venue

  Korean Journal of Environmental Agriculture

• Publication date

  Unknown publication date

• Fields of study

  Not labeled

• Identifiers
  DOI 10.5338/kjea.2025.44.42
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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