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Is Tillage Beneficial or Detrimental for Insect and Slug Pest Management? A Meta-Analysis
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Citation:
Citation_Information:
Originator:The Pennsylvania State University
Publication_Date:2019
Title:
Is Tillage Beneficial or Detrimental for Insect and Slug Pest Management? A Meta-Analysis
Online_Linkage: http://www.datacommons.psu.edu
Description:
Abstract: 
Frequent and intensive tillage can have negative effects on soil, including increasing risk of erosion, oxidizing organic matter, and disrupting life cycles of soil organisms. Even though tillage can negatively influence soil, this practice is still used across much of the world to prepare fields for planting and to manage pests. Farmers who have adopted reduced-tillage systems can struggle with a suite of invertebrate pests; however, reducing the frequency and intensity of tillage may improve predator populations and biological control. To better evaluate how reduced-tillage practices (e.g., no-till, harrowing, shallow disking) affect abundance of invertebrate pests and natural enemies relative to high-disturbance tillage practices (e.g., moldboard plowing), we conducted a meta-analysis of studies published between 1983 and 2017. We tested the hypotheses that 1) reducing tillage intensity increases pest herbivore and arthropod predator abundance, 2) soil-associated invertebrates are more responsive to tillage than foliar invertebrates, and 3) medium-disturbance tillage practices would have an intermediate effect on pests and arthropod predators relative to high- and low-disturbance practices. We found that pests were not more abundant in reduced-tillage systems than in high-disturbance tillage systems. Pest herbivores that spend part of their life-cycle in the soil followed this pattern, but foliar pests were more abundant in systems with more intense tillage practices. The abundance of predators that spend part of their life-cycle in the soil was significantly lower in high-disturbance tillage systems compared with low-disturbance tillage systems, regardless of the intensity of the disturbance, though predators in general were similar in abundance across tillage intensities.
Supplemental_Information: 
4 excel  files and 2 R code files
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Single_Date/Time:
Calendar_Date:2019
Currentness_Reference: 
publication date
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Theme:
Theme_Keyword_Thesaurus:ISO 19115 Topic Categories
Theme_Keyword:farming
Theme_Keyword:agriculture
Access_Constraints:None.
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The University excludes any and all implied warranties, including warranties or merchantability and fitness for a particular purpose.
The University makes no warranty or representation, either express or implied, with respect to the FILES or accompanying documentation, including its quality, performance, merchantability, or fitness for a particular purpose. The FILES and documentation are provided "as is" and the USER assumes the entire risk as to its quality and performance.
The University will not be liable for any direct, indirect, special, incidental, or consequential damages arising out of the use or inability to use the FILES or any accompanying documentation.
The USER is granted permission to translate and add value to the FILES for the use of the FILES on its computer hardware; provided, however, that the USER annually notify the University of any customizing or value-adding work done.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:Penn State
Contact_Person:Elizabeth Rowen
Contact_Address:
Address_Type:mailing address
Address: 
101 Merkle Lab
City:University Park
State_or_Province:Pennsylvania
Postal_Code:16802
Country:USA
Contact_Electronic_Mail_Address:epr5119@psu.edu
Contact Instructions: 
Authors: Elizabeth Rowen, Karly H. Regan, Mary E. Barbercheck, John F. Tooker
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Contact_Information:
Contact_Person_Primary:
Contact_Organization:Penn State Data Commons
Contact_Address:
Address_Type:mailing and physical address
Address: 
115 Land and Water Building
City:University Park
State_or_Province:Pennsylvania
Postal_Code:16802
Country:United States
Contact_Voice_Telephone:(814) 865 - 8792
Contact_Electronic_Mail_Address:datacommons@psu.edu
Distribution_Liability: 
The USER shall indemnify, save harmless, and, if requested, defend those parties involved with the development and distribution of this data, their officers, agents, and employees from and against any suits, claims, or actions for injury, death, or property damage arising out of the use of or any defect in the FILES or any accompanying documentation. Those parties involved with the development and distribution excluded any and all implied warranties, including warranties or merchantability and fitness for a particular purpose and makes no warranty or representation, either express or implied, with respect to the FILES or accompanying documentation, including its quality, performance, merchantability, or fitness for a particular purpose. The FILES and documentation are provided "as is" and the USER assumes the entire risk as to its quality and performance. Those parties involved with the development and distribution of this data will not be liable for any direct, indirect, special, incidental, or consequential damages arising out of the use or inability to use the FILES or any accompanying documentation.
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Metadata_Reference_Information:
Metadata_Date:2018
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:Penn State Data Commons
Contact_Position:Metadata Coordinator
Contact_Address:
Address_Type:mailing address
Address: 
115 Land and Water Building
City:University Park
State_or_Province:Pennsylvania
Postal_Code:16802
Country:United States
Contact_Voice_Telephone:814-865-8792
Contact_Electronic_Mail_Address:datacommons@psu.edu
Metadata_Standard_Name:FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version:FGDC-STD-001-1998
Metadata_Time_Convention:local time
Metadata_Extensions:
Profile_Name:ESRI Metadata Profile
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