What does this research mean for the field?

A strategy combining reduced nitrogen with organic fertilizer substitution and deep-plowing straw incorporation maintains rice yields while significantly reducing greenhouse gas and nutrient emissions and enhancing soil fertility. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the synergistic effects of nitrogen reduction, organic fertilizer substitution, and wheat straw management practices on rice productivity, pollutant emissions, and soil fertility in paddy fields.

August 28, 2026Land Degradation and Development

Effects of Fertilization and Wheat Straw Management on Rice Yield and Greenhouse Gas Emissions in Paddy Fields

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To evaluate the synergistic effects of nitrogen reduction, organic fertilizer substitution, and wheat straw management practices on rice productivity, pollutant emissions, and soil fertility in paddy fields.
Conducted a two-year field trial testing three fertilization regimes: conventional fertilization (CF), 23.50% nitrogen reduction (RCF), and 23.50% nitrogen reduction with 20.00% organic fertilizer substitution (OF).
Evaluated three straw management practices: straw removal with shallow tillage (SRS), straw incorporation with shallow tillage (SIS), and straw incorporation with deep plowing (SID).
Both RCF and OF maintained stable rice yields compared to CF, with RCF reducing AUC-NH4+-N by 19.39%–23.40% and AUC-NO3−-N by 10.72%–12.77%.
OF significantly decreased AUC-TP by 71.01%–74.25% and methane emissions by 22.06%–28.81%, while markedly increasing soil organic carbon and total nitrogen.
Straw incorporation with deep plowing (SID) demonstrated superior performance among straw practices, making the OF-SID combination the most effective strategy for sustaining yield, reducing emissions, and enhancing soil fertility.

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Implication

A two-year field trial demonstrates that organic fertilizer substitution with deep straw incorporation cuts emissions and preserves rice yield, highlighting sustainable nutrient management.

Cite This Study

Xiao et al. (2026) studied this question.

synapsesocial.com/papers/6a91466cd15324a1df3a9f35 https://doi.org/10.1002/ldr.70870

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Implication

A two-year field trial demonstrates that organic fertilizer substitution with deep straw incorporation cuts emissions and preserves rice yield, highlighting sustainable nutrient management.

Effects of Fertilization and Wheat Straw Management on Rice Yield and Greenhouse Gas Emissions in Paddy Fields

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Discussion

Implication

Cite This Study

Effects of Fertilization and Wheat Straw Management on Rice Yield and Greenhouse Gas Emissions in Paddy Fields

Key Points

Discussion

Implication

Cite This Study

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