Tag Archives: peak phosphate

Phosphate: All hopes rest on Morocco with 75% of remaining reserves

[ If you look around for what share Morocco has of phosphate reserves, you’ll see figures of 75 to 85% that will last 300-400 years.  But that may not be correct, as Walan et al point out in this paper. … Continue reading

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Peak soil, peak phosphate, peak fertilizer means Peak Food

Amundson, R., et al. May 7, 2015. Soil and human security in the 21st century. Science 348. A group of leading soil scientists has summarized the precarious state of the world’s soil resources and the possible ramifications for human security … Continue reading

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Peak Phosphorus

Below is an excerpt from page 176 of Princeton professor Kenneth S. Deffeyes from his book “Beyond Oil, the view from Hubbert’s Peak” (2005): Phosphate (PO4+++) is mined commercially from sedimentary rocks containing the mineral apatite, a form of calcium … Continue reading

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