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D4710-1headline bar  Bill Kustas and Mina Momayyezi collecting photosynthesis and transpiration rates in a vineyard.**Image Number D4710-1** ARS Hydrologist Bill Kustas (right) and Mina Momayyezi, UC Davis postdoctoral fellow, collect leaf-level photosynthesis and transpiration rates determine vine stress levels. Photo by Nurit Agam. 640 pixels wide: (D4710-1.jpg)   Please visit our Image Gallery.


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