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field trial | |||
experiment in the open; field experiment | |||
field-scale trial; graveyard test; stake test | |||
field study; field investigation | |||
in-situ test; in-situ testing | |||
field experiment Experiment carried out on a substance or on an organism in the open air as opposed to in a laboratory | |||
experiment on open ground; trial on open ground | |||
field test |