Category Archives: Agriculture

Peak Phosphorus

Sources: Peak phosphorus curve indicating a peak in production by 2033, derived from US Geological Survey and industry data. Cordell, D.; Drangert, J.-O.; White, S. The story of phosphorus: Global food security and food for thought. Glob. Environ. Change 2009, … Continue reading →

Posted in Peak Food | Tagged , | 1 Comment

Replacing diesel tractors with horses or oxen – what will that be like?

Preface. Since fossil fuels are finite, at some point increasing numbers of farmers with diesel vehicles and equipment will want to replace them with horses, which can do the work of six people.  Below is what  energy expert Vaclav Smil … Continue reading →

Posted in Farming & Ranching, Life Before Oil, Muscle Power, Peak Food, Vaclav Smil | Tagged , , , | 1 Comment

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 →

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Why and how Jellyfish are taking over the world

Preface.  The more climate change kicks in, the more we over-fish, pollute, acidify and warm the ocean, create vast dead zones, and trawl ocean bottoms, the better the jellyfish do. It is quite possible that the ocean ecosystem will shift … Continue reading →

Posted in Books, Extinction Books, Fisheries, Jellyfish, Peak Food | Tagged , , | 4 Comments

Book review of Dirt: the erosion of civilization

Preface. On average civilizations collapsed after 800 to 2,000 years because they’d destroyed their topsoil, some of it caused by deforestation to grow more food, make metals, ceramics, glass and other objects requiring high heat, which fossils provide today. Today, … Continue reading →

Posted in Agriculture, Peak Food, Soil | Tagged , , , , | 4 Comments

Deep-sea trawling harms biodiversity and carbon storage

Preface. Overfishing has eliminated 90% of the world’s large predatory fishes and is devastating marine ecosystems. Bottom trawling is one of the most devastating ways our oceans are being overfished, degraded and biodiversity destroyed .  This industry tossed 437 million … Continue reading →

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75% of Earth’s land is degraded threatening 3.2 billion people

  Preface. By 2050 95% of Earth’s land could be degraded and reducing or even preventing food production, forcing hundreds of millions to migrate. More than 75% of our planet has been altered by humans, a figure that will likely … Continue reading →

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Book review: the politics of California’s central valley levees

Preface. This is a book review of Robert Kelly’s “Battling the Inland Sea”.  But it is much more than that, better than any book I know if explaining the human nature of “conservatism vs liberalism”.  It drives me nuts that … Continue reading →

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U.S. Industrial farming destroys future food production for centuries

Preface. Below are excerpts from a devastating critique of current farming practices by the National research council who show the myriad ways that industrial farming is harming the land and future food production.

Posted in Air, Biodiversity, Groundwater, Limits To Growth, Peak Food, Pesticides, Planetary Boundaries, Soil, Water Pollution | Tagged , , , , , , | 1 Comment

We’re killing our food supply and technology can’t save us

Farrell, Paul B. Feb 11, 2015. Opinion: We’re killing our food supply and technology can’t save us. Big Ag can’t feed 10 billion and magical technologies won’t appear.  MarketWatch. We’re maxing-out on Peak Food. Billions go hungry. We’re poisoning our … Continue reading →

Posted in Peak Fertilizer, Peak Food | Tagged , , , | 4 Comments