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Free Picture: Cleanup of Nitrogen Fertilizer
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Description Bruce Fritz image of at a train derailment site near Bordulac, North Dakota, plant geneticist JoAnn Lamb and soil scientist Michael Russelle monitor the biological cleanup of nitrogen fertilizer with an unusual alfalfa. Yellowing leaves in the foreground indicate an area of cleaner soil because this alfalfa cannot use bacteria to extract nitrogen from the air.
Keywords agriculture, alfalfa, ars, crop, crops, department of agriculture, dept of agriculture, derailment, farmer, joann lamb, michael russelle, nitrogen fertilizer, north dakota, plant geneticist, plant geneticists, soil scientist, soil scientists, train, train derailment, us department of agriculture, farmers, free photography, free photo, free photos, free picture, free pictures, free image, free images
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