File:4YrSoilStructure021 (9272971146).jpg
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Summary
[edit]Description4YrSoilStructure021 (9272971146).jpg |
Field Day at the Southeast South Dakota Research Farm near Beresford, SD. In this photo, a research section at the farm has a four-year rotation study with half the fields under a conventional and half under a no-till farming system. The structure of the topsoil from the no-till field plot (shown left) has better biological activity and is more healthy than the powdery topsoil found in the conventional plot (shown right). The infiltration rates were much better in the no-till plots than the conventional.
Dr. Sexton Peter Associate Professor SDSU Dept. of Plant Science Plant Science-Box 2207A Brookings, SD 57007 (605) 688-6179 peter.sexton@sdstate.edu Ruth Stevens SDSU – Southeast Research Farm 29974 University Road Beresford, SD 57004 (605) 563-2989 ruth.stevens@sdstate.edu For information regarding conservation, the Rainfall Simulator, infiltration studies and soil health in South Dakota, contact: Jeffrey Hemenway USDA Natural Resources Conservation Service Soil Quality Specialist 200 Fourth St. SW Huron, SD 57350 Office: (605) 352-1239 Jeffery.hemeway@sd.usda.gov |
Date | |
Source | 4YrSoilStructure021 |
Author | USDA NRCS South Dakota |
Camera location | 43° 02′ 36.76″ N, 96° 54′ 15.58″ W ![]() | View this and other nearby images on: OpenStreetMap | ![]() |
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Licensing
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This image was originally posted to Flickr by USDA NRCS South Dakota at https://flickr.com/photos/68847506@N08/9272971146 (archive). It was reviewed on 27 January 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
27 January 2018
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This image is a work of the Natural Resources Conservation Service, part of the United States Department of Agriculture, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States. | ![]() |
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current | 13:47, 27 January 2018 | ![]() | 4,608 × 3,456 (5.91 MB) | Artix Kreiger 2 (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Metadata
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Camera manufacturer | FUJIFILM |
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Camera model | FinePix HS20EXR |
Exposure time | 1/200 sec (0.005) |
F-number | f/3.6 |
ISO speed rating | 400 |
Date and time of data generation | 16:59, 9 July 2013 |
Lens focal length | 7.3 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Digital Camera FinePix HS20EXR Ver1.02 |
File change date and time | 16:59, 9 July 2013 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.3 |
Date and time of digitizing | 16:59, 9 July 2013 |
Meaning of each component |
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Image compression mode | 3.2 |
APEX shutter speed | 7.63 |
APEX aperture | 3.7 |
APEX brightness | 4.73 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, auto mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 7,166 |
Focal plane Y resolution | 7,166 |
Focal plane resolution unit | 3 |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
Sharpness | Normal |
Subject distance range | Unknown |