The film tells about clover - the original fodder crop in Russia, about the problems associated with the lack of clover seeds and the lack of special combines for harvesting perennial grasses. The film includes the following filming: 1 part. View of a field with blooming clover. Clover flowers. Examination of clover under a microscope. Employees of the laboratory of the All-Union Institute of Feed of the Siberian Branch of VASKhNIL at work. Bumblebee species on a clover flower. Part 2. NDP in blooming clover in the forest. The scientist leans over the bumblebee house, carries it. Scientists set up a house in a field. Apiary type. A bee on a flower near the hive. Breeders are working in the field. Transportation of bee hives by car. Harvesting clover with a combine.