Nitrogen fixing nodules on the roots of string beans.

• Contributor: David R. Frazier Photolibrary, Inc. / Alamy Stock Photo
• Image ID: A91CW8
• File size: 54.7 MB (1.9 MB Compressed download)
• Releases: Model - no | Property - no
• Dimensions: 3581 x 5337 px | 30.3 x 45.2 cm | 11.9 x 17.8 inches | 300dpi

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