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Free Picture: Free Air Carbon Dioxide Enrichment
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Description Jack Dykinga photograph of scientists measuring the growth of wheat surrounded by elevated levels of atmospheric carbon dioxide. the study, called Free Air Carbon Dioxide Enrichment (FACE), is to measure carbon dioxide's effect on plants. It is the largest experiment of this type ever undertaken, Phoenix, Arizona.
Keywords agricultural research, agriculture, arizona, arizona agriculture, carbon dioxide, crop, crops, department of agriculture, farmers, free air carbon dioxide enrichment, phoenix, phoenix arizona, united states department of agriculture, us department of agriculture, usda, wheat, wheat crop, wheat crops, wheat field, wheat fields, farmer, free photography, free photo, free photos, free picture, free pictures, free image, free images
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