00522naa#a2200169#i#4500001001400000005001700014011001400031100004100045101000800086102000700094200012900101210004900230215001000279608002700289700002100316856001500337EN\\bibl\822620241223185326.1##a2073-0462##a20150915b2015####ek#y0engy0150####ca0#aRUS##aRU1#aMETHOD OF CROP ENERGY CALCULATION, LOST BECAUSE OF THE NEGATIVE IMPACT OF TRACTOR’S PROPELLER ON THE SOILeJournal article1#aKazancKazan state agrarian Universityd2015##a4 с.##aJournal article2local#1aKhafizovgRamil 4#anaukaru.ru