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Strategies & Market Trends : Booms, Busts, and Recoveries

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To: Moominoid who wrote (68257)	8/29/2005 8:53:27 AM
From: Slagle	Read Replies (2) of 74559

Moominoid Re: "Plants" Plants, other than legumes require big nitrogen inputs. And the only practical source for this nitrogen is fossil fuels. The ethanol crops, corn and sugar cane are really big nitrogen hogs. Years ago we used guano (fossil bat poop) as a nitrogen source but this is mostly depleted. For consideration purposes, soybeans make for a "clean" comparison. No nitrogen and no energy costs for fermentation and distillation. Also, soybeans are fairly easy on the land and can be farmed endlessly without much erosion and other damage to the land. Soybeans can net better than a barrel of oil per acre, an oil that is equal to #2 diesel. No refining, distillation or nitrogen required. Just some phosphorous and potassium. But, the USA has 63 million acres in soybeans and we don't have available another similar acreage for a vastly expanded crop. The land is just not there, at least not productive suitable land. Ditto everywhere else, when you are talking about an amount of land capable of replacing any meaningful amount of current crude oil usage. Slagle

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