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United States Department of Agriculture

Agricultural Research Service

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 Image Number D3198-1

An ARS technician applies an organic fertilizer source on plots in a study to optimize application rates of organic and inorganic fertilizers. The study is part of efforts to evaluate a new ARS-developed tool for soil testing that can be used to help growers reduce fertilizer use without decreasing yields.


Photo by Daren Harmel.

640 pixels wide: (d3198-1.jpg)

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Last Modified: 8/13/2016
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