%0 Journal Article %T WORKING SURFACE RATIONAL PARAMETERS OF THE «EXTRA» SEED FLAT KICKER OF THE PNEUMATIC AND VACUUM SOWING DEVICE %A Yakovets, A.V. %A Nesmiyan, A.Y. %K tilled crops, sowing device, «extra» seed kicker, boss working surface, experiment %J Bulletin of KSAU %D 2012 %N %P 6 %I Krasnoyarsk State Agrarian University