Walking type tobacco field precise fertilizer applicator

The invention discloses a walking type tobacco field precise fertilizer applicator, which relates to the field of agricultural machinery, and comprises a rack, a driving device, a ditching device, a fertilizer application device, a detection device and a control device, and is characterized in that the detection device is provided with a distance measuring module for detecting distance informationfrom the ground; and the control device determines whether to arrive at or leave the ridged tobacco field by receiving the detected off-ground distance information, and when the detected off-ground distance information is smaller than the preset height distance, the ditching device is triggered to ditch according to the preset height and the fertilizing device is triggered to fertilize. A properamount of fertilizer can be buried and applied at a proper position and a proper depth on the ridge top of a tobacco field at a time, so that the requirement of the whole growth process of crops is guaranteed, the manual ferti