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File:Runoff of soil & fertilizer.jpg

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原始文件(2,100 × 1,500像素,文件大小:1.13 MB,MIME类型:image/jpeg


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描述
English: View of runoff, transporting nonpoint source pollution, from a farm field in Iowa during a rain storm.
Caption: "Topsoil as well as farm fertilizers and other potential pollutants run off unprotected farm fields when heavy rains occur."
Deutsch: Wassererosion in Maisfeld
日期
来源

U.S. Department of Agriculture, Natural Resources Conservation Service.

Filename:NRCSIA99129.tif
作者 Lynn Betts, photographer

许可协议

Public domain 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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当前2009年3月21日 (六) 21:532009年3月21日 (六) 21:53版本的缩略图2,100 × 1,500(1.13 MB)Moreau1{{Information |Description={{en|1=View of runoff, also called nonpoint source pollution, from a farm field in Iowa during a rain storm. Topsoil a

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