Hydroseeding is especially effective in keeping seeds from being washed away on slopes. When working on erosion control jobs most hydroseeding contractors will turn to a bonded fiber matrix (BFM) ENVIRO-SHIELD® is a bonded fiber matrix (BFM) that can be used in a jet agitation hydro-seeder like an Easy Lawn or Turbo Turf jet type hydroseeder. Most bonded fiber matrix (BFM) requires the use of larger mechanically agitated hydroseeders like a turfmaker.