Parts of the Red Army parade on the Red Square on May 1, KE Voroshilov, JV Stalin on the podium of the Mausoleum, military equipment is passing by. The production of tractors at the Chelyabinsk plant: a worker measures the gear, finished parts on the floor, workers measure the piston, study the machine. Workers of the state farm "Mokryanka" plow the field with an electric plow. Members of the commune of the Leningrad region "Kudrovo" are sowing row crops with the help of tractors and horses, listening to the radio of their radio center. Collective farmers of the Kuladinsky collective farm of the Angudai region graze cows, take care of calves in the farmyard. Cultivation of cotton on the collective farm. K. Marx (Uzbekistan): a peasant is digging the ground, sorting out seeds, a tractor is plowing the land, a horse seeder is working.