Cultivation frame for agricultural planting

The utility model discloses a cultivation frame for agricultural planting, which comprises two T-shaped main rods, each T-shaped main rod comprises a vertical rod and a hollow transverse pipe, the middle part of each transverse pipe is fixedly mounted at the top of the corresponding vertical rod, cross beams are respectively arranged on supports at the upper ends and the lower ends of the two vertical rods in a penetrating manner, and a rectangular frame is defined by the upper cross beam, the lower cross beam and the two vertical rods; telescopic rods are slidably inserted into the two ends of the transverse pipe correspondingly, rotating holes are formed in the tail ends of the two telescopic rods located on the same side, rotating rods are rotatably installed in the rotating holes, and the two telescopic rods, the transverse pipe, the cross beam and the rotating rods define a rectangular structure frame with the variable area; the two ends of each rotating rod penetrate through the corresponding rotating h