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Ullrika Sahlin. Foto.

Ullrika Sahlin

Universitetslektor

Ullrika Sahlin. Foto.

Synergistic effects of multiple “good agricultural practices” for promoting organic carbon in soils : A systematic review of long-term experiments

Författare

  • Raül López i Losada
  • Katarina Hedlund
  • Neal Robert Haddaway
  • Ullrika Sahlin
  • Louise E. Jackson
  • Thomas Kätterer
  • Emanuele Lugato
  • Helene B. Jørgensen
  • Per Erik Isberg

Summary, in English

Loss of soil organic carbon (SOC) from farmland is a key threat to the capacity of soils to provide ecosystem services and exacerbates climate change. In alignment with a published protocol, we conducted a review and meta-analysis of time series of SOC measurements in long-term agricultural experiments to study absolute SOC changes under different agricultural management regimes. Our results show that SOC in the upper 30 cm layer generally declined across long-term experiments (214 time data series in arable land across 23 sites in temperate to cold regions), but reducing tillage, adding organic amendments, diversifying crop rotations and avoiding bare fallows reduced losses. Furthermore, a net increase in SOC content is achieved when combining all four interventions. Applying multiple strategies for SOC preservation can unleash the potential for agricultural land to become a carbon sink while safeguarding agricultural yields for future generations.

Avdelning/ar

  • Centre for Environmental and Climate Science (CEC)
  • BECC: Biodiversity and Ecosystem services in a Changing Climate
  • Biodiversitet och evolution
  • LU profilområde: Naturbaserade framtidslösningar
  • Markgruppen
  • Computational Science for Health and Environment
  • Statistiska institutionen

Publiceringsår

2025

Språk

Engelska

Sidor

1715-1728

Publikation/Tidskrift/Serie

Ambio

Volym

54

Avvikelse

11

Dokumenttyp

Översiktsartikel

Förlag

Springer Science and Business Media B.V.

Ämne

  • Soil Science
  • Environmental Sciences and Nature Conservation (including Biodiversity)
  • Climate Science

Nyckelord

  • Amendment
  • Carbon sequestration
  • Crop rotation
  • Fertiliser
  • Meta-analysis
  • Tillage
  • SDG 2 - Zero Hunger
  • SDG 13 - Climate Action
  • SDG 15 - Life on Land

Aktiv

Published

Projekt

  • Production potential of agricultural biomass and policy instruments to promote a fossil-free society while meeting food production and environmental objectives

Forskningsgrupp

  • Soil Ecology
  • Computational Science for Health and Environment

ISBN/ISSN/Övrigt

  • ISSN: 0044-7447