Cited by 73Soil Carbon and Nitrogen DynamicsSoil Management and Crop YieldPlant and soil sciences

Soil management affects carbon dynamics and yield in a Mediterranean peach orchard

Montanaro, Giuseppe, Dichio, Bartolomeo, Briccoli Bati, Caterina, Xiloyannis, Cristos·2012·Agriculture, Ecosystems & Environment

Abstract

A field trial was conducted over a seven-year period, in Mediterranean peach orchard. The aims were (i) to explore the effects of alternative soil-management practices (Aₘₙg) on soil and litter carbon (C) reserves, (ii) to monitor the seasonal and (iii) spatial variations of soil CO₂ flushes. The alternative management included no tillage, retention of all aboveground biomass and application of imported organic amendments (15tha⁻¹y⁻¹ fresh weigh). Locally conventional management (Lₘₙg) served as the control: i.e. tillage, mineral fertilisation, removal of prunings. The mean total annual C inputs were 4.2 and 2.4tha⁻¹ in Aₘₙg and Lₘₙg, respectively. Spatial and temporal variations in CO₂ soil emissions over a 20m² plot (×2) were assessed (Li-6400, LI-COR, USA) on the assumption that root topography and microbial activity declined systematically with distance from the row line. Under Aₘₙg practices soil C significantly increased up to 1.78% against 1.38% at Lₘₙg block. The C stored as litter and dead wood in Aₘₙg, was 16-times that in Lₘₙg. On a whole-season basis, CO₂ losses were 20% higher in Aₘₙg than in Lₘₙg. Soil CO₂ emissions were mostly from the in-row, with the inter-row emissions being lower, especially due to reduced soil-water content during the drier months. It is concluded that despite a higher CO₂ soil emissions, alternative management techniques will partially offset atmospheric CO₂ rise through increased soil C reserves, and that spatial variability of emissions must be taken into account if the accuracy of estimates of large-scale emissions are to be improved.

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Crossref · 10.1016/j.agee.2012.07.020

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  • Payment for carbon sequestration schemes are less effective in the Mediterranean region because soil organic carbon content of Mediterranean soils changes relatively slowly and remains low compared to other biomes.

    “Moreover, the payment for carbon sequestration schemes, where farmers are paid per tonne carbon sequestered in the soil, are less effective in the Mediterranean region, as soil organic carbon content of Mediterranean soils changes relatively slowly and remains low compared to other biomes”

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Authors
Montanaro, G., Dichio, B., Briccoli Bati, C., & Xiloyannis, C.
Affiliations
University of Basilicata (IT)
Corresponding author
Montanaro, Giuseppe
Venue
Agriculture, Ecosystems & Environment
Publisher
Elsevier BV
Published
2012-10
Volume
161
Pages
46-54
ISSN
0167-8809 (ISSN-L)
OpenAlex
W2070815045
Cited by
73
References
55
Citations by year
2026: 1 · 2025: 3 · 2024: 6 · 2023: 5 · 2022: 2 · 2021: 7 · 2020: 12 · 2019: 5 · 2018: 7 · 2017: 10 · 2016: 7 · 2015: 4 · 2014: 3 · 2013: 1
FWCI
3.90
Type
journal article
Language
en
Open access
closed
Locations
  • Agriculture Ecosystems & Environment (publishedVersion)
  • CINECA IRIS Institutional Research Information System (University of Basilicata) (submittedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Management and Crop Yield
  • Life Sciences › Agricultural and Biological Sciences › General Agricultural and Biological Sciences › Plant and soil sciences
Keywords
soil management, peach orchards, soil carbon, litter carbon, soil CO2 efflux, no-tillage, organic amendments, spatial variability of emissions, soil moisture, carbon sequestration, fruit yield

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