... cm 5.Working depth:10-40 cm Harvester Mini Potato Digger Introduction:harvester mini potato digger1. Introduction:The tiller is a ... , seeding, fertilizing, pumping, spraying, opening ditch, ridging, and trenching as well as other farm working, very convenience for ... Tiller can works for tilling fields, cultivating wastelands, ditching, and ridging in the greenhouse, vegetable garden, flower garden, ...