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Design of control system of variable rate fertilizer applicator in precision agriculture


Design of control system of variable rate fertilizer applicator in precision agriculture



Transactions of the Chinese Society of Agricultural Engineering 20(1): 113-116



An automatic control system for variable rate fertilizer applicators with a single chip, AT89C52, was designed and tested. The control system receives positioning signals from global positioning systems (GPS) and identifies the operation cell where the fertilizer applicator is located. Results show that the system could synthetically process the signals from the GPS, GIS, sensors and decision data.

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