Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Straw amendment and nitrification inhibitor controlling N losses and immobilization in a soil cooling-warming experiment

Hewei Chen, Christoph Rosinger, Sergey Blagodatsky, Rüdiger Reichel, Bo Li, Amit Kumar, Steffen Rothardt, Jie Luo, Nicolas Brüggemann, Henning Kage, Michael Bonkowski

The Science of The Total Environment · 2023

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Summary

This 2023 controlled experiment examined how organic straw amendment combined with nitrification inhibitors influences nitrogen cycling and loss pathways during simulated seasonal temperature variations in arable soil. The research integrates soil microbiology with nitrogen dynamics, addressing the challenge of reducing gaseous and aqueous nitrogen losses whilst maintaining nutrient synchrony with crop demand. As suggested by the multidisciplinary authorship, the work appears to assess whether integrated organic and chemical management tools can buffer soil nitrogen availability across thermal stress periods.

UK applicability

Findings on straw amendment and nitrification inhibitor efficacy are directly relevant to UK arable cereal systems, where nitrogen loss mitigation and regulatory compliance (Water Framework Directive, Nitrates Directive) are key priorities. However, the controlled laboratory conditions may overestimate real-world effectiveness; UK field validation under native soil types and cropping rotations would strengthen applicability to temperate climate agriculture.

Key measures

Nitrification rates, nitrogen mineralisation, ammonia volatilisation, nitrate leaching, microbial community composition, soil nitrogen pools under warming-cooling cycles

Outcomes reported

The study measured nitrogen cycling dynamics, including nitrification rates, ammonia volatilisation, and nitrate leaching, under simulated seasonal temperature fluctuations in amended soil. It quantified the relative effectiveness of straw amendment and nitrification inhibitors in reducing reactive nitrogen losses whilst maintaining crop-available nitrogen pools.

Theme
Farming systems, soils & land use
Subject
Soil fertility & nutrient management
Study type
Research
Study design
Laboratory / controlled experiment
Source type
Peer-reviewed study
Status
Published
Geography
Germany
System type
Arable cereals
DOI
10.1016/j.scitotenv.2023.162007
Catalogue ID
SNmoht1v71-m4mbv4

Topic tags

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