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Manure decrease herbivore performance on corn in a greenhouse and a not-till field experiment
Identification_Information:
Citation:
Citation_Information:
Originator:The Pennsylvania State University
Publication_Date:2019
Title:
Manure decrease herbivore performance on corn in a greenhouse and a not-till field experiment
Other_Citation_Details:
John Tooker Lab https://ento.psu.edu/research/labs/john-tooker
Online_Linkage: http://www.datacommons.psu.edu
Description:
Abstract: 
Many farmers use manure as an alternative to inorganic fertilizer. Previous research has shown that manure can decrease plant susceptibility to herbivores, but the mechanisms remain unclear. To determine how manure affects herbivore performance in a greenhouse setting, we fertilized corn with stacked cow manure or an equivalent amount of NPK fertilizer and measured caterpillar development, plant nutritional content, and defenses. After four weeks of growth, we allowed fall armyworm (Spodoptera frugiperda) or black cutworm (Agrotis ipsilon) caterpillars to feed on these plants for 6 d. Manure reduced mass of black cutworm caterpillars and smaller fall armyworms compared to inorganic fertilizer. We paired this greenhouse experiment with a three year field experiment, which incorporated a wheat cover-crop treatment crossed with the fertilizer treatments in a 2x2 factorial design. We measured plant damage early in the season from naturally-occurring herbivores and measured neonate fall armyworm performance on field-collected leaf tissue. In 2017, corn in manure-fertilized plots sustained more herbivore damage, primarily driven by a higher incidence of slug damage. Fall armyworm performance, however, was lower on leaves collected from manure-fertilized plants. In contrast to previous studies, we did not find increased micronutrients or enhanced defenses in manure treated plants. While manure can offer resistance to some herbivores, our results suggest that this resistance can be overshadowed by habitat conditions which may favor herbivores that are more tolerant to decreased plant quality.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date:2019
Currentness_Reference: 
publication date
Keywords:
Theme:
Theme_Keyword_Thesaurus:ISO 19115 Topic Categories
Theme_Keyword:farming
Theme_Keyword:agriculture
Theme_Keyword:manure
Theme_Keyword:herbivory
Theme_Keyword:soil fertility
Theme_Keyword:plant defense
Theme_Keyword:micronutrients
Access_Constraints:None.
Use_Constraints: 
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_Person_Primary:
Contact_Person:Elizabeth Rowen
Contact_Organization:Penn State
Contact_Position:Department of Entomology
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, John F. Tooker
Native_Data_Set_Environment:
Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 4; ESRI ArcCatalog 8.3.0.800
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Distributor:
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:2019
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:
Online_Linkage: http://www.esri.com/metadata/esriprof80.html
Profile_Name:ESRI Metadata Profile
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