South Africa’s water consumption is increasing despite the fact that we live in country that is predominantly semi-arid with regions that experience regular drought periods. As a country our average annual rainfall is just 450mm per annum compared to the world average of 850mm. Waterwise gardening has therefore now become an essential facet of responsible […]
Tag Archives | grey water garden irrigation
Peak Phosphorus – What does this mean?
By admin on July 17, 2010 in energy from waste, environmental problems, organic farming, sustainable agriculture
Our ability to provide enough food to feed the human population is dependent on the availability of phosphorus. While the term “peak oil” has become a familiar term in the lexicon of sustainability, the notion of “peak phosphorus” may ultimately be a concern of greater consequence. Phosphorus is an essential nutrient required by plants that […]

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