![](http://www.alamy.com/thumbs/6/DB7EB102-747F-47CC-9373-688F8DC3CA6C/B70FAA.jpg)
Research technician in outdoor cage looking at experiment measuring herbicide resistance in grasses
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Photo credit: © Nigel Cattlin / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: agriculture, assess, assessing, avena, cage, close, england, examine, examining, experiment, experimental, girl, grass, grasses, herbicide, hertfordshire, oats, outdoor, research, researcher, resistance, resistant, technician, test, uk, weed, weedkiller, wild, woman