Orange tree growth research. Physicist (left) and soil scientist (right) assessing fruit on an orange tree growing in an open-top chamber with enriched carbon dioxide (CO2). This research is being carried out by the Agricultural Research Service of the US Department of Agriculture. Photographed in the USA | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Dykinga, Jack / US Department of Agriculture |
Bildgröße: | 2439 px × 3642 px |
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