PHYTOSANITARY RISK OF THE RICE NEMATODA FOR THE TERRITORY OF THE RUSSIAN FEDERATION, PHYTOSANITARY AND PEST MANAGEMENT MEASURES ArticleASTARKHANOVA T.S., ASTARKHANOV I.R., MAGOMEDOV A.Z., VELIEVA I.P.Известия Дагестанского ГАУ. 2019. С. 98-104