Fertilization cart

A fertilization cart, comprising:

• a hopper for containing a fertilizer, a first turntable, and a second turntable, wherein the first turntable and the second turntable are located below the hopper and arranged in correspondence with discharge openings on the hopper;
• two spreader openings are formed on either of the first turntable and the second turntable, and when the two spreader openings are communicated with the discharge openings after rotating, a spreader channel is formed;
• the first turntable is capable of rotating relative to the hopper to open or close the spreader channel;
• and
• the second turntable is capable of rotating relative to the first turntable to adjust a size of the spreader channel;
• wherein arc-shaped first limiting holes are formed on the second turntable,
• wherein a plurality of arc-shaped second limiting holes are formed on both the first turntable and the second turntable along a circumferential direction, and a second limiting block penetrates through the plurality of second limiting holes and is detachably connected to the hopper.