Summary
This 2022 review by Marcińczyk and Oleszczuk synthesises evidence on biochar and engineered biochar products functioning as slow- and controlled-release fertiliser carriers. The authors examine how biochar properties and engineering modifications influence nutrient availability and release kinetics, contributing to understanding of biochar's potential role in reducing nutrient losses and improving fertiliser use efficiency in agricultural systems.
UK applicability
Findings are relevant to UK soil management and sustainable intensification strategies, particularly where reducing synthetic fertiliser dependency and improving nutrient retention in variable climates is prioritised. Application depends on local soil conditions and cost-effectiveness relative to conventional and organic fertiliser options.
Key measures
Nutrient release rates, biochar characterisation, fertiliser efficiency, controlled-release mechanisms (as suggested by title)
Outcomes reported
The study examined the efficacy of biochar and engineered biochar formulations as slow- and controlled-release fertiliser amendments. It likely assessed nutrient release kinetics, plant availability, and agronomic or environmental performance under controlled conditions.
Topic tags
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