Plant pathologist comparing different root pathogens that can affect strawberry plants when they are grown in poor soil. The pesticide bromomethane kills these microbes,but as this chemical damages the ozone layer,it is necessary to find an alternative method of controlling the destructive pathogens | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Bauer, Scott / US Department of Agriculture |
Bildgröße: | 2419 px × 3663 px |
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