field vole common microtus arvalis oilseed disaster extremely attacked rape brassica napus drone aerial plant infested

aerial agrestis agricultural agriculture arvalis attacked brassica common compensation czech damage disaster drone europe european extremely farming feed field green greybrown inappropriate infested intensive landscape largescale mainly microtus napus oilseed overpopulation parts pest pesticide pesticides plant plants poison problem production rape rapeseed regime rodent rodenticides shorttailed unfriendly use vole yield