Bestand:Fertilizer applied to corn field.jpg

Bestand
Bestandsgeschiedenis
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Grootte van deze voorvertoning: 800 × 571 pixels. Andere resoluties: 320 × 229 pixels | 640 × 457 pixels | 1.024 × 731 pixels | 1.280 × 914 pixels | 2.100 × 1.500 pixels.

Afbeelding in hogere resolutie ‎(2.100 × 1.500 pixels, bestandsgrootte: 1 MB, MIME-type: image/jpeg)

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Beschrijving

English: View of nitrogen fertilizer being applied to growing corn (maize) in a contoured, no-tilled field in Hardin County, Iowa. Applying smaller amounts of nitrogen several times over the growing season rather than all at once at or before planting helps the plants use the nitrogen rather than have it enter adjacent streams (i.e. create nonpoint source pollution.)

Datum

1999

Bron

U.S. Department of Agriculture, Natural Resources Conservation Service. Photo no. NRCSIA99241

Auteur

Lynn Betts

Toestemming
(Hergebruik van dit bestand)

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.