Swine Manure Application Method Impact on Soil Arthropods

Animal Manure Management March 16, 2015 Print Friendly and PDF

Does Manure Application Impact Soil Arthropods? *

Soil arthropod populations and diversity provide an indication of the biological quality of soil, which can impact soil fertility. Arthropods include insects, crustaceans, arachnids, myriapods, and scorpions and nearly every soil is inhabited by many different arthropod species. Row-crop soils may contain several dozen species. One particular arthropod species, mites, can have a significant impact on nutrient release in soil. For this study, the impact of swine manure slurry applied via broadcast and injection at a rate designed to meet the agronomic nitrogen needs of corn was investigated to determine the manure application method impact on soil arthropod population and diversity.

What did we do?

Treatments include broadcasted swine slurry, injected swine slurry, and non-manured check plots with four replications per treatment. Plots have been monitored following manure application in June 2014 and will continue through June 2015. Soil samples were removed 4 d prior to manure application and at 1, 2, and 4 weeks and monthly thereafter from 0 to 8 inches on each plot. Arthropods were extracted by use of Burlese funnels and collected species are being sorted and characterized.

What have we learned?

Species characterization is on-going and will be summarized for presentation in the poster session at the conference.

Future Plans

Results of this work will allow us to better understand the impact of manure application on soil biological properties, a component in defining the overall fertility or "health" of soil.

Authors

Amy Millmier Schmidt, Assistant Professor and Livestock Bioenvironmental Engineer, University of Nebraska – Lincoln aschmidt@unl.edu

Nicole R. Schuster, Graduate Research Assistant, University of Nebraska - Lincoln; Julie Peterson, Assistant Professor and Entomologist, University of Nebraska – Lincoln

Additional information

Dr. Amy Millmier Schmidt; (402) 472-0877; aschmidt@unl.edu

Acknowledgements

We would like to recognize a number of individuals who assisted with soil sample collection, arthropod extractions, and other laboratory activities over the course of this project, including Keith Miller, Ethan Doyle, Mitch Goedeken, Eric Davis, Lucas Snethan, Kevan Reardon and Kayla Tierramar

The authors are solely responsible for the content of these proceedings. The technical information does not necessarily reflect the official position of the sponsoring agencies or institutions represented by planning committee members, and inclusion and distribution herein does not constitute an endorsement of views expressed by the same. Printed materials included herein are not refereed publications. Citations should appear as follows. EXAMPLE: Authors. 2015. Title of presentation. Waste to Worth: Spreading Science and Solutions. Seattle, WA. March 31-April 3, 2015. URL of this page. Accessed on: today’s date.

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USDA / NIFA

This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.