The invention relates to a system (100) for measuring and reporting the use of pesticides in agricultural food production, which comprises: a tractor-driven spray device configured with a spray tank (10) containing a sprayed liquid (50) which passes under pressure through at least one nozzle (60); one or more flow meters (20) connected to the outlet of the spray tank (10), each associated with a spray array (70), each spray array (70) containing a plurality of nozzle (60); and a pressure tap (180) of the spray tank (10), to which are connected at least one digital pressure transducer (40) and at least one analogue pressure gauge (30), the one or more flow meters (20) and the digital pressure transducer (40) being connected to a CPU (80) that is protected from the environment.
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