Thurston Mfg. Co. began operations in 1971 producing small agricultural related Blu-Jet products and has since flourished into a major force in the fertilizer injection and farm implement markets. Thurston Mfg. has achieved the ultimate in ease and versatility with its Blu-Jet line of StripTill Systems row units. These highly adjustable row units will fit on a number of Blu-Jet mainframes, easily match varying field conditions and eliminate the maintenance nightmare created by most strip-till implements on the market.