Long-term Tillage: Effects on Soil Carbon, Nitrogen, and Yield; University of Nebraska Lincoln
Entry ID: UNE.LongtermTillage

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Summary
Abstract: The site was in native short-grass prairie until 1969. The prairie was
grazed by cattle and wildlife. Soil parent material is alluvium mixed
with aeolian deposits. It has been cropland now for 25 years. The
current land use and treatments are Winter wheat-fallow rotation,
Treatments are no-till, stubble mulch tillage and moldboard plow
tillage. There are at least 3 replicates in the experiment. ... View entire text
Related URL
Description: This url links to the GCTE-SOMNET home page where additional project
information can be obtained. This site is currently in a datasharing
phase of the network where actual data will become available shortly,
at different levels of accessibility. Please follow this Link for
more information.
Geographic Coverage
Spatial coordinates   
  N: 41.25   S: 41.2   E: -100.7   W: -100.8
Min Depth: SURFACE Max Depth: 30 CM

Temporal Coverage
Start Date: 1970-01-01
Data Resolution
Vertical Resolution: 15cm
Temporal Resolution: some hourly, some daily, and some yearly, depending on which variable
Science Keywords
AGRICULTURE > AGRICULTURAL PLANT SCIENCE > CROP/PLANT YIELDS Parameter Definition
AGRICULTURE > AGRICULTURAL PLANT SCIENCE > CROPPING SYSTEMS > MOLDBOARD PLOW Parameter Definition
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Quality There are at least 3 replicates in the experiment. The experiment has
a randomized plot design. There are control plots described as
follows: Native sod plots serve as the controls. These plots have not
been grazed so plant composition has changed. Staff recently
implemented a 5 year burn schedule to return the plots
to a more native state.

Multiple peer reviewed publications have resulted from this study and
the quality is considered to be very good.
Access Constraints none
Originating Center
Data Center
Panhandle Research and Extension Center, University of Nebraska, Lincoln Supplemental Info
Data Center URL: http://www.panhandle.unl.edu/

Data Center Personnel
Name: DREW J. LYON
Phone: 308-632-1230
Fax: 308-632-1365
Email: dlyon at unlnotes.unl.edu
Contact Address:
Panhandle Research and Extension Center
4502 Ave. I
City: Scottsbluff
Province or State: NE
Postal Code: 69361-4939
Country: USA
Personnel
Role: TECHNICAL CONTACT
Phone: 308-632-1230
Fax: 308-632-1365
Email: dlyon at unlnotes.unl.edu
Contact Address:
Panhandle Research and Extension Center
4502 Ave. I
City: Scottsbluff
Province or State: NE
Postal Code: 69361-4939
Country: USA
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Publications/References
Broder, M.W., Doran, J.W., Peterson, G.A. and Fenster, C.R. 1984. Fallow
tillage influence on spring populations of soil nitrifiers, denitrifiers and available nitrogen. Soil Science Society of America Journal 48:1060-1067.
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Creation and Review Dates
DIF Creation Date: 1999-09-20
Last DIF Revision Date: 2008-06-04
Future DIF Review Date: 2000-09-20
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