Crop growth research. Agricultural engineers evaluating the distinct differences in the growth of a wheat crop grown under differing conditions. The taller plants on the right were grown with full irrigation,while those on the left were grown with only 40 percent of full irrigation. Photographed in the USA | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Ausmus, Stephen / US Department of Agriculture |
Bildgröße: | 3661 px × 2441 px |
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