researcher hold small glass flask with soil performing test strip |
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| navigate by keyword : closeup researcher small glass flask soil performing test strip scientific research botany science biology testing lab sterile scientist analysis sample plant worker investigation laboratory modern experiment equipment biologist tweezer office clinic development microscope glove container substance discovery assessment ecology biochemical chemist model explore greenhouse contamination eco organic agrochemical tool |
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| Close-up of researcher hold small glass flask with soil, performing ph test strip. Scientific research in botany. Science, biology, testing, lab concept |
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