Establishing causal relationships in plant-microbe studies can be exceptionally difficult, as it requires juggling sterility, standardization and manual labor. A single contaminant or inconsistent measurement can render weeks of work unusable. For example, one study on the effects of plant genotype and soil microbiome on growth in Lotus japonicus found that 15% of variability in shoot length was due to variability in the… The post How EcoBOT’s automated plant lab knows where it’s guessing appeared first on Research & Development World .