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Image Number K9597-1 Plant pathologists Sally Schneider and Jim Gerik display a sample nylon mesh bag used to hold weed seeds, fungal spores, and nematodes. Several bags are buried in each 20-gallon black plastic microplot before test fumigants are applied. Photo by Peggy Greb.  640 pixels wide: (k9597-1.jpg)   Please visit our Image Gallery


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