▁two ▁of ▁main ▁species ▁D . ▁al ata ▁and ▁D . ▁rot und ata . ▁D . ▁d um et orum ▁is ▁generally ▁considered ▁to ▁be ▁less ▁readily ▁inv aded ▁than ▁other ▁species . ▁ ▁Chem ical ▁treatment ▁ ▁Chem ical ▁control ▁has ▁shown ▁some ▁success ▁in ▁reducing ▁S . ▁br ad ys ▁population . ▁Four ▁gran ular ▁nem atic ides ▁( ald ic ar b , ▁ox am yl , ▁car bo fur an ▁and ▁mir al ) ▁applied ▁as ▁post - plant ▁s ided ress ing ▁treat ments ▁effectively ▁reduced ▁the ▁n emat ode ▁population ▁during ▁the ▁growing ▁season ▁and ▁significantly ▁increased ▁yield ▁without ▁to xic ▁accum ulation ▁in ▁the ▁har v ested ▁tub ers . ▁ ▁References ▁▁ ▁Category : Pl ant ▁path ogen ic ▁n emat odes <0x0A> </s> ▁Central ▁Ny ack ▁is ▁a ▁ham let ▁in ▁the ▁Town ▁of ▁Clark st own ▁Rock land ▁County , ▁New ▁York , ▁United ▁States ▁approximately ▁ 2 0 ▁miles ▁north ▁of ▁New ▁York ▁City ▁located ▁north ▁of ▁Bla u vel t ; ▁east ▁of ▁West ▁Ny ack ; ▁south ▁of ▁Valley ▁C ott age , ▁and ▁west ▁of ▁the ▁Village ▁of ▁Ny ack . ▁ ▁As ▁an ▁un in cor por ated ▁community , ▁government al ▁functions ▁default ▁to ▁the ▁town ▁level ▁( Cl ark st own ). ▁The ▁community ▁is ▁located ▁at ▁latitude ▁ 4 1 . 0 9 4 ▁and ▁longitude ▁- 7 3 . 9 5 . ▁The ▁elev ation ▁is ▁ 6 2 ▁feet . ▁The ▁neighborhood