peak phosphorus

October 29, 2010

Urine as a Commercial Fertilizer?

The separate collection of urine provides innovative opportunities for the improvement of sanitation and the recycling of nitrogen, phosphorus and potassium. Urine separation is an excellent […]
July 17, 2010

Peak Phosphorus – What does this mean?

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 […]