[Parameters: Topic='AGRICULTURE', Term='SOILS', Variable_Level_1='NITROGEN', Detailed_Variable='TOTAL NITROGEN']
Deherain Plots, Long Term Cropping/Soil Experiment, France
Entry ID: INRA.Deherain

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Summary
Abstract: The Deherain long-term field experiment was started in 1875 to study the
impact of fertilization on crop yield. Before 1875, the soil was
cultivated with alfalfa without fertilization. Between 1929 and 1986,
the plots were under a wheat-sugarbeet rotation. Since 1987, the
plots have been cultivated with maize.

The average climatic conditions at the experimental site are:

Minimum annual ... View entire text
Related URL
Link: VIEW PROJECT HOME PAGE
Description: This url links to the GCTE-SOMNET home page where additional project
information and methodology 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
(Click for Interactive Map)
Spatial coordinates   
  N: 54.47   S: 54.45   E: -2.4   W: -2.5
Min Depth: SURFACE Max Depth: 50CM

Data Set Citation
Dataset Originator/Creator: Sabine Houot
Dataset Title: Deherain plots
Online Resource: http://www.rothamsted.bbsrc.ac.uk/aen/eusomnet/expts/deherain.html
Temporal Coverage
Start Date: 1875-01-01
Location Keywords
Science Keywords
ISO Topic Category
Quality Data distributed with this product may include both published
and unpublished statistics in the public domain. Distribution in
this form does not imply U.S. Department of Agriculture approval
of a particular data series or statistic, nor does the
Department attest to their accuracy. Moreover, the Economic
Research Service makes no warranty that data supplied in this
form are either accurate transcriptions from source materials or
appropriate for a particular user purpose.
Ancillary Keywords
Originating Center
USDA/ERS
Data Center
Economic Research Service, U. S. Department of Agriculture Supplemental Info
Data Center URL: http://www.ers.usda.gov/
Dataset ID: #89007B

Data Center Personnel
Name: MILTON E. MADISON
Phone: 202-219-0046
Fax: 202-219-0356
Email: mmadison at econ.ag.gov
Contact Address:
USDA Economic Research Service
Commercial Agriculture Division (CAD)
1301 New York Avenue, NW, Room 1038B
City: Washington
Province or State: DC
Postal Code: 20005-4788
Country: USA
Personnel
MILTON E. MADISON
Role: TECHNICAL CONTACT
Phone: 202-219-0046
Fax: 202-219-0356
Email: mmadison at econ.ag.gov
Contact Address:
USDA Economic Research Service
Commercial Agriculture Division (CAD)
1301 New York Avenue, NW, Room 1038B
City: Washington
Province or State: DC
Postal Code: 20005-4788
Country: USA
Publications/References
SOURCE REFERENCES:

Mann Library, Cornell University. 1996. Mann Library [online].
Livestock, Dairy and Poultry. Poultry Yearbook. Ithaca, NY :
Cornell University. URL: http://www.mannlib.cornell.edu/
Creation and Review Dates
DIF Creation Date: 2005-09-12
Last DIF Revision Date: 2005-09-19

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