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To: Oral Roberts who wrote (164557)	4/26/2006 4:09:04 PM
From: Ish	Read Replies (1) \| Respond to of 794001

<<And 347 an acre to grow corn seems about double what my memory tells me.>> It's a lot higher now than it used to be but the yields are about double. To get up to 347 it takes a lot of add ons. Cost of the tractor, interest on the money that was used to buy the land, insurance, cost of storage bins ...

To: Oral Roberts who wrote (164557)	4/26/2006 6:21:30 PM
From: tbancroft	Read Replies (3) \| Respond to of 794001

Data are from a study/research paper by a Cornell professor of ecology and agriculture. For what it's worth, the papers that Pimentel has (co-)authored are generally published in peer-reviewed publications, but note that they've generated a lot of controversy. Here's one press release referencing his work. news.cornell.edu