Abstract: A quick replacement device for digging and weeding tools includes a hollow mounting tube, and a drive tube mounted in the mounting tube. The support seat of each of the weeding tool and the digging tool has a mediate portion formed with an open slot. The drive tube is inserted into the open slot of the support seat, and the push block of the drive tube is protruded from the support seat. Thus, the drive tube is detachable from the open slot, so that the support seat is removable from the flat bracket for replacement of the weeding tool or the digging tool without having to detach the push block from the drive tube, thereby facilitating the user replacing the weeding tool and the digging tool, and thereby preventing the push block from being lost.

Abstract: An agricultural includes a shaft slidably received in a tube, a foot rest rotatably engaged on the tube, and one or more tool members changeably secured to the tube. One of the tool members includes a plate secured to the tube, and a housing secured to the plate for engaging into the soil and having two casings. A board is slidably received in the housing and coupled to the shaft with couplers for disengaging the soil received in the housing. A lock device may detachably lock the shaft to the tube. The tool member may be a weed remover or a soil loosener.