Wheat intelligent sowing width adjusting and seed and fertilizer simultaneous sowing all-in-one machine

A first storage tank and a second storage tank are identical in structure, the lower ends of the first storage tank and the second storage tank are respectively provided with a plurality of discharging grooves, the first storage tank is connected with a first discharging pipe through the discharging grooves, the second storage tank is connected with a second discharging pipe through the discharging grooves, and uniform-distribution discharging blocks are arranged in the discharging grooves. A plurality of fan-shaped clamping grooves are formed in the annular outer surface of each evenly-distributing discharging block, the first driving shaft is concentrically connected with the evenly-distributing discharging blocks at the lower end of the first storage tank, the outer end of the first driving shaft is sequentially and fixedly sleeved with a gear a and a flywheel a, the second driving shaft is concentrically and fixedly connected with the evenly-distributing discharging blocks at the lower end of the second s