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pour de plus amples renseignements, consulter les dépliants intitulés non chemical weed control methods for tree planting et herbicides for shelterbelt weed control.
while some herbicides (eg.roundup) have no residual activity, it is still important to avoid herbicide drift.
shelterbelts for dugouts, planning farm shelterbelts, conception des plantations d'arbres pour la faune et basic shelterbelt establishment guidelines for prairie livestock facilities.
"shelterbelts for dugouts", "planning farm shelterbelts", "designing tree plantings for wildlife" and "basic shelterbelt establishment guidelines for prairie livestock facilities".
pour obtenir plus d'information à ce sujet, consulter les brochures de l'arap intitulées herbicides for shelterbelt weed control et non chemical weed control methods.
for more information refer to the "herbicides for shelterbelt weed control" and "non chemical weed control methods" brochures.
vue aérienne de l'aménagement paysager de l'ancien indian head nursery station, maintenant le centre shelterbelt arap, montrant le site de démolition de la résidence du directeur, 1985.
aerial view of central ornamental grounds of the former indian head nursery station, now the pfra shelterbelt centre, showing site of demolished superintendent's residence, 1985.
