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More general information about plants, soil, fertiliser and insect Colorado State University, basic knowledge about garden management
This factsheet gives an overview how to choose a soil amendment. It talks about the application rate, organic or inorganic amendments, salt and pH content of the soil and if biosolids are safe to use as an amendment.
DAVIS, J.G. WILSON, C.R. (2005): Choosing a Soil Amendment. Fort Collins: Colorado State University URL [Visita: 08.04.2019]This paper from the Safe Drinking Water Foundation (SDWF) in Canada, is a very informative source about how bottled water is regulated, whether bottled water is really safer than tap water and why we shouldn't drink bottled water.
SDWF (n.y): Bottled Water. Saskatoon, Canada: Safe Drinking Water Foundation (SDWF) URL [Visita: 08.04.2019]This chapter reviews the recent history of and trends in bottled water, the regulations governing bottled water production and sale, and growing concerns about the costs and implications of bottled water use. It also addresses growing concerns in both industrialised nations where high-quality tap water is readily available and in poorer developing countries where the high cost of bottled water raises questions about equity and access to basic water services for all.
GLEICK, P.H. (2004): The Myth and Reality of Bottled Water. Entradas: GLEICK, P.H. ; (2004): The World's Water. The Biennial Report on Freshwater Resources: 2004-2005. Washington, D.C.: . URL [Visita: 08.04.2019]As bottled water use continues to expand around the world, there is growing interest in the environmental, economical, and social implications of that use, including concerns about waste generation, proper use of groundwater, hydrologic effects on local surface and groundwater, economic costs, and more. This paper estimates the energy footprint required for various phases of bottled water production, transportation, and use.
GLEICK, P.H. ; COOLEY, H.S. (2009): Energy implications of bottled water. Entradas: Environmental Research Letters 4: Volume 4 , 1. URL [Visita: 08.04.2019]This book brings together findings from activities in urban water management in 12 cities that each involved multiple consortium partners and many city stakeholders. The approach was specifically to encourage stakeholder engagement, and these chapters reflect the inputs of many city actors and researchers who contributed to the activities.
BUTTERWORTH, J. MCINTYRE, P. SILVA WELLS, C. WHITE, C. (2011): SWITCH in the City: Putting Urban Water Management to the Test. The Hague: International Water and Sanitation Centre (IRC) URL [Visita: 04.04.2019] PDF