One variation of a method includes: in a feed of images recorded at a set frequency by an aerial sensor, detecting a signal generated by a sensor plant configured to generate optical signals indicating presence of a set of stressors; identifying a location of the sensor plant; identifying a user associated with a crop located proximal the location; and flagging the user for recruiting to join a sensor plant platform. The method further includes, during a trial period for the user: in response to detecting a pressure of a first stressor exceeding a threshold pressure at the sensor plant, notifying the user of the first pressure and a first action predicted to reduce pressures of the first stressor; and, in response to detecting a second pressure of a second stressor at the sensor plant, prompting the user to join the sensor plant platform to access information regarding the second stressor.