Science Keywords>HUMAN DIMENSIONS
|
Long-term Tillage and Crop Rotation Study, Nebraska
Entry ID:
USDA.ARS.SWCRU.CropSysTrial2
Summary
Abstract:
(adapted from Project Summary)
PROBLEM: Soil and water conservation concerns have been and continue to be the major driving forces in agricultural production in the western Corn Belt. In addition, increasing energy costs during the late 1970's had become a reality and alternative management systems to reduce these costs in agriculture were needed. Solutions to these types of problems require ...  Geographic Coverage
(Click for Interactive Map)
Spatial coordinates
Data Set Citation
Dataset Originator/Creator:
G.E. VARVEL and J.W. DORAN
Dataset Title:
Long-term Tillage and Crop Rotation Study, Nebraska
Dataset Release Date:
1999
Dataset Release Place:
Lincoln, Nebraska
Dataset Publisher:
Soil and Water Conservation Research Unit, USDA-ARS
Temporal Coverage
Start Date:
1998-04-01
Location Keywords
Science Keywords
Project
Quality
ATTRIBUTE ACCURACY REPORT: The data has been in use by the agency and other agencies since its inception. The database has undergone rigorous quality checks.
HORIZONTAL POSITIONAL ACCURACY REPORT: Used Differential GPS. Data is truncated to 2nd decimal point (about 1500 meters) with respect to location due to confidentiality.
Access Constraints
To view constraints placed on dataset, please see Policy and Disclaimer section (from the panel on the left) on OBIS-USA web site at http://www.usgs.gov/obis-usa.
DISTRIBUTION LIABILITY: OBIS-USA renders information prepared by contributors accessible through dynamic on-line publication. It does not peer-review the quality of the data provided. However, it is confident that the data ...
Use Constraints
Prior to use of these records in any analysis or report, MARMAP must be notified and if used the provenance of the original data must be acknowledged. Acknowledge the use of specific records from contributing MARMAP databases and acknowledge the use of the OBIS-USA facility. Recognize the limitations of data in OBIS-USA.
Data Set Progress
COMPLETE
Data Center
Distribution
Distribution Format:
Text
Fees:
None
Personnel
Role:
TECHNICAL CONTACT
Phone:
843-953-5778
Fax:
843-953-9820
Email:
reichertm at dnr.sc.gov
Contact Address:
Marine Resources Research Institute PO Box 12559
City:
Charleston
Province or State:
SC
Postal Code:
29422-2559
Country:
United States of America
Creation and Review Dates
DIF Creation Date:
2011-01-14
Last DIF Revision Date:
2012-02-01
|
||||||||||||||||||||||||||||||||
