Losses of alfalfa seed in the processing depending on the initial purity of the seed

Alfalfa is the most important perennial forage legume used for seed production and fodder. The seeds of alfalfa for sowing must be of high purity, germination and high genetic value. The initial purity of naturalized alfalfa seed significantly affect the resulting amount of processed seed in processing process. In the processing of natural seed alfalfa seed material to obtain adequate quality by law regulate used a complex machines for cleaning and sorting seeds. In the processing center of the Institute for forage crops in Globoder-Kruševac, Serbia alfalfa natural seed are processed. The six different parties of natural seeds of different purity in the range of 66 % to 85 % were processed. Also, after each stage of treatment, losses of seeds and seed rate obtained at the end of the processing were measured.