Information NameAddressCityStateCountryPostal Code
Caring for Shoreland Lawns and GardensUniversity of MinnesotaMinneapolisMNUSA 
Drought Resistence in the Home LandscapeOhio State UniversityColumbusOHUSA 
Environmental Defense257 Park Ave SouthNew YorkNYUSA10010
Environmental Law Institute   USA 
Iron Deficiency on RhododendronMichigan State UniversityEast LansingMIUSA 
Landscape Plants for Use in Dry AreasOhio State UniversityColumbusOHUSA 
National Parks and Conservation Association   USA 
Preventing Pollution Problems from Lawn & Garden FertilizersUniversity of MinnesotaMinneapolisMNUSA 
Recycling Council Of AlbertaPo Box 40552CalgaryAlbertaCanada 
Responsible Industry for a Sound Environment1156 15th St NW Suite 400WashingtonDCUSA20005
University of Wisconsin Arboretum Society for Ecological Restoration1207 Seminole HwyMadisonWIUSA53711

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