Cited by 50Weed Control and Herbicide ApplicationsEcology and Vegetation Dynamics StudiesAllelopathy and phytotoxic interactions

Stacked crop rotations exploit weed-weed competition for sustainable weed management

Open access
Garrison, Andrew J., Miller, Adam D., Ryan, Matthew R., Roxburgh, Stephen H., Shea, Katriona·2014·Weed Science

Abstract

Crop rotation has long been considered one of the simplest and most effective tools for managing weeds. In this paper, we demonstrate how crop rotations can be strategically arranged to harness a novel mechanism of weed suppression: weed-weed competition. Specifically, we consider how crop stacking, or increasing the number of consecutive plantings of a single crop within a rotation, can decrease the size of the weed seed bank, by forcing weeds to compete with each other in similar environments for longer periods of time, while still reaping the traditional benefits of crop rotation. Using an annual plant model, we investigate the theoretical effects of stacked crop rotations on weeds that have different life-history strategies and phenology. Our results show that when weeds compete within a season, stacking can reduce the weed seed bank compared to rotations without stacked crops. Although more research is needed to fully understand the effects of crop stacking on other aspects of the system, such as insect pests and diseases, our research suggests that crop stacking has the potential to improve weed suppression without additional inputs, and their associated costs and externalities. More generally, improving management by changing the temporal arrangement of disturbances is a novel, process-based approach that could likely be applied to other weed management practices, such as mowing and herbicide application, and which could involve mechanisms other than weed-weed competition. Leveraging this new application of existing ecological theory to improve weed management strategies holds great promise.

Integrity signals

Registry

Crossref · 10.1614/ws-d-13-00037.1

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40 of 40 references verified0 citation errors · 0 not checkable

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Authors
Garrison, A. J., Miller, A. D., Ryan, M. R., Roxburgh, S. H., & Shea, K.
Affiliations
  • Pennsylvania State University (US)
  • University of Illinois Urbana-Champaign (US)
  • Cornell University (US)
  • Commonwealth Scientific and Industrial Research Organisation (AU)
Corresponding author
Shea, Katriona
Venue
Weed Science
Published
2014-03
Volume
62
Issue
1
Pages
166-176
ISSN
  • 0043-1745 (ISSN-L)
  • 1550-2759
OpenAlex
W2168837991
Cited by
50
References
40
Citations by year
2026: 3 · 2025: 2 · 2024: 6 · 2023: 4 · 2022: 4 · 2021: 2 · 2020: 4 · 2019: 9 · 2018: 2 · 2017: 6 · 2016: 2 · 2015: 6
FWCI
5.45
Type
journal article
Language
en
Open access
Locations
  • Weed Science (publishedVersion)
  • BioOne Complete (BioOne) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
Funders
National Science Foundation
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Weed Control and Herbicide Applications
  • Physical Sciences › Environmental Science › Nature and Landscape Conservation › Ecology and Vegetation Dynamics Studies
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Allelopathy and phytotoxic interactions
Keywords
weed seed bank, weed suppression, crop rotation, weed phenology, sustainable weed management

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