File:20140918-NRCS-LSC-0455 (15292103742).jpg

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Description	Cropland that has no cover crop and is regularly tilled with mechanical equipment; cropland that is not tilled and uses cover crops to add organic material and manage the soil health; paved over soil; grassland that has been over grazed and compacted by animals; and lastly, grassland that uses managed grazing, are on display, during the U.S. Department of Agriculture (USDA) Natural Resources Conservation Service soil health demonstration event “The Bundled Benefits of Soil Health” on Thursday, September 18, 2014 in the People’s Garden, at the USDA headquarters, in Washington, D.C. USDA Photo by Lance Cheung.
Date	18 September 2014, 16:25
Source	20140918-NRCS-LSC-0455
Author	U.S. Department of Agriculture Lance Cheung/Multimedia PhotoJournalist
Permission (Reusing this file)	Flinfo has extracted the license below from the metadata of the image (tag "IFD0:Copyright" contained "Public Domain"). The license visible at Flickr was "Public Domain Mark".

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This image or file is a work of a United States Department of Agriculture employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

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This image was originally posted to Flickr by USDAgov at https://flickr.com/photos/41284017@N08/15292103742 (archive). It was reviewed on 21 October 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark.

21 October 2018

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	03:44, 21 October 2018		6,249 × 3,515 (16.81 MB)	A1Cafel (talk \| contribs)	Transferred from Flickr via #flickr2commons

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This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Camera manufacturer	NIKON CORPORATION
Camera model	NIKON D800
Author	Lance Cheung
Copyright holder	Public Domain
Exposure time	1/250 sec (0.004)
F-number	f/9
ISO speed rating	640
Date and time of data generation	16:25, 18 September 2014
Lens focal length	17 mm
User comments	USDA Photo by Lance Cheung.
Label	To Do
Image title	Display table of five different soils: Cropland that has no cover crop and is regularly tilled with mechanical equipment; cropland that is not tilled and uses cover crops to add organic material and manage the soil health; paved over soil; grassland that has been over grazed and compacted by animals; and lastly, grassland that uses managed grazing, are on display, during the U.S. Department of Agriculture (USDA) Natural Resources Conservation Service soil health demonstration event “The Bundled Benefits of Soil Health” on Thursday, September 18, 2014 in the People’s Garden, on the grounds of the USDA headquarters, in Washington, D.C. Demonstrations of best management practices currently being used across the country, is followed by an interactive discussion of the benefits of voluntary, incentive based conservation programs to both agriculture and the environment. It also highlights the importance of healthy soils and the impact improved soil health can have as a tool to improve water quality, help agriculture mitigate and adapt to a rapidly changing climate, and reduce carbon dioxide levels through voluntary sequestration on private working lands. One of the displays use two clear pipes with water to demonstrate the structural stability of healthy soil that has organic matter from cover crops and aeration created by worms and roots, verses soil that is mechanically tilled on a regular basis. The other demonstration, is a rain simulator that showers about two inches of water on the soil samples. The rain simulator catches the water runoff, in clear containers to show the various levels of water that drained out of the soil and away from the root system. Results range from pavement that sheds all of the water; to grassland that uses managed grazing that retained all of the water. After the demonstration, Tilled soil was dry and dusty minutes after the water was turned off. No-till soil with cover crop, shows moisture throughout and live worms still alive and burrowed in the soil that maintained its structural integrity until pulled apart. Also attending the event are State conservation professionals with the Environmental Protection Agency, USDA-NRCS, U.S. Fish and Wildlife Service and other federal partners.USDA Photo by Lance Cheung.
Usage terms	www.usda.gov
Orientation	Normal
Software used	Adobe Bridge CS6 (Macintosh)
File change date and time	19:51, 19 September 2014
Exposure Program	Normal program
Exif version	2.21
APEX shutter speed	7.965784
APEX aperture	6.33985
APEX exposure bias	−0.33333333333333
Maximum land aperture	3 APEX (f/2.83)
Metering mode	Pattern
Light source	Flash
Flash	Flash fired, strobe return light detected, compulsory flash firing
DateTimeOriginal subseconds	1
Color space	sRGB
Focal plane X resolution	2,048.4022216797
Focal plane Y resolution	2,048.4022216797
Focal plane resolution unit	3
Sensing method	One-chip color area sensor
File source	Digital still camera
Scene type	A directly photographed image
Exposure mode	Auto exposure
White balance	Manual white balance
Digital zoom ratio	1
Focal length in 35 mm film	17 mm
Scene capture type	Standard
Scene control	Low gain up
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
Serial number of camera	3078763
Lens used	17.0-35.0 mm f/2.8
Date and time of digitizing	12:25, 18 September 2014
Rating (out of 5)	5
Date metadata was last modified	16:06, 19 September 2014
Unique ID of original document	E16AAD7F64BB00A11D56108F72B80190
Copyright status	Copyright status not set
Keywords	USDA "Department of Agriculture" "U.S. Department of Agriculture"
Contact information	lance.cheung@oc.usda.gov www.flickr.com/photos/usdagov 1400 Independence Avenue, SW Washington, District of Columbia, 202150 USA
IIM version	4

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File:20140918-NRCS-LSC-0455 (15292103742).jpg

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18 September 2014

captured with

Nikon D800

exposure time

0.004 second

f-number

9

focal length

17 millimetre

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640

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photograph

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file available on the internet

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image/jpeg

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318848042bc8421eb5e224351388484b1e6b3aad

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3,515 pixel

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6,249 pixel

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