Assessment of greenhouse gases emissions, global warming potential and net ecosystem economic benefits from wheat field with reduced irrigation and nitrogen management in an arid region of China

Summary

This field study examined how reducing irrigation and nitrogen inputs in wheat production within arid China affects greenhouse gas emissions and economic viability. The research appears to integrate environmental accounting (global warming potential) with economic assessment to determine whether input reductions can maintain or improve net economic benefit whilst lowering emissions. The findings suggest pathways for sustainable intensification in water-scarce regions where both resource conservation and profitability are pressing concerns.

UK applicability

Direct applicability to the UK is limited given the arid climate context and differing hydrological conditions; however, the methodological approach to coupling GHG mitigation with economic analysis may inform UK nitrogen management policy under net-zero commitments. UK wheat systems face different constraints (excess rather than scarce water) and would require site-specific adaptation of the input reduction strategies.

Key measures

Greenhouse gas emissions (likely CO₂ equivalent), global warming potential (GWP), net ecosystem economic benefits, grain yield, irrigation water use, nitrogen application rates

Outcomes reported

The study assessed greenhouse gas emissions, global warming potential, and net ecosystem economic benefits from wheat production under reduced irrigation and nitrogen management strategies in an arid region. The research evaluated the trade-offs between agronomic inputs, environmental impact, and economic returns.

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