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- The staggering destruction of knowledge by Christians in the Roman Empire
- The staggering cost of Net Zero in Britain
- Why the R/P Reserves to Production ratio does not show when oil will run out
- Catton on Collapse “Bottleneck: Humanity’s Impending Impasse”
- Book Review of Grain Brain: Extraordinary claim not backed up by evidence
- Why did everyone stop talking about Population & Immigration?
- What would happen if trucks stopped running?
- How to survive a nuclear winter
- The insect apocalypse will kill billions more people than climate change
- The war on drugs. A book review of “Chasing the scream”
- Peak crude oil did not happen in 2018. But we are running out of time
- Sheriffs have too much power
- Book review “They poisoned the world: Life & death in the age of Forever Chemicals”
- John Howe on one child per woman: still too high to stay under limits to growth curves
- Ted Trainer: The radical implications of a zero growth economy
Tag Archives: phosphorus
Phosphate: All hopes rest on Morocco with 75% of remaining reserves
Preface. Phosphate is absolutely essential for both plants and animals. It’s estimated that Morocco has of 75-85% of phosphate reserves that might last for 300-400 years. Or peak in 25 years. Walan (2014) has estimates of researchers who’ve predicted peak … Continue reading
Posted in Farming & Ranching, Limits To Growth, Peak Food, Peak Phosphorus, Recycle
Tagged agriculture, food, peak, peak phosphate, peak phosphorus, phosphorus, reserves
Comments Off on Phosphate: All hopes rest on Morocco with 75% of remaining reserves
Using manure for fertilizer in the future – it won’t be easy
Preface. At John Jeavons Biointensive workshop back in 2003, I learned that phosphorous is limited and mostly being lost to oceans and other waterways after exiting sewage treatment plants. He said it can be dangerous to use human manure without … Continue reading
Posted in Life Before Oil, Soil, Waste, Water Pollution
Tagged eutrophication, excrement, fertilizer, manure, phosphorus, sewage, water
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