Agricultural mechanical fertilizing device

The utility model discloses an agricultural mechanical fertilizing device, which relates to the technical field of agricultural machinery and comprises a ditching device, and the ditching device can be used for ditching to facilitate subsequent fertilizing work; the two sliding blocks are matched with the connecting rod, so that ditching rotation can be realized, and the ditching depth can be adjusted; the positive and negative tooth lead screw is matched with the sliding block, so that self-locking performance is achieved, it is guaranteed that the furrow opener does not rotate any more after the position of the furrow opener is determined, and it is avoided that the furrow opener rotates at will in the furrow opening process, and normal furrow opening work is affected; the sleeve, the disc and the steel wire rope are matched to control the two baffle plates to rotate simultaneously and be separated from each other, so that the fertilizer normally falls off; the limiting block can limit the position of the s