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#1
19-07-2003, 07:02 PM
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Unlikely calculation
An exploration into the notion of how Iowa farmers would fare in feeding
the world produced an unlikely result: the soy and corn crops of thirty three Iowa(s) would feed the world's population at 3500 Cal./day. I would appreciate a review of my figuring if someone is willing. Estimated world population 5/23/03 = 6,294,523,715 human beings World kcal. requirements @ 3500 Kcal./day/human being = 2.20308E+13 kcal. World kcal. requirements/year = 8.04125E+15 kcal. Iowa 2002 corn = 1,960,000,000 bushels Iowa 2002 soy = 494,900,000 bushels Iowa 2002 corn @ 60lb./bushel = 1.176E+11 lbs. Iowa 2002 soy @ 60lb./bushel = 2.9694E+10 lbs. Kcal./lb corn = 1828 kcal./lb. corn Kcal./lb. soy = 1579 kcal./lb. soy Kcal. Iowa corn 2002 = 1.8569E+14 kcal. Kcal. Iowa soy 2002 = 5.4281E+13 kcal. Total kcal. Iowa corn & soy 2002 = 2.39971E+14 kcal/year (2002) World annual kcal. requirements/ Iowa 2002 corn & soy kcal. production = 33.51 My thanks, Don Foster Colorado |
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#2
19-07-2003, 07:23 PM
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Unlikely calculation
On Sat, 19 Jul 2003 16:42:12 GMT, Don Foster
wrote: An exploration into the notion of how Iowa farmers would fare in feeding the world produced an unlikely result: the soy and corn crops of thirty three Iowa(s) would feed the world's population at 3500 Cal./day. I would appreciate a review of my figuring if someone is willing. Estimated world population 5/23/03 = 6,294,523,715 human beings World kcal. requirements @ 3500 Kcal./day/human being = 2.20308E+13 kcal. World kcal. requirements/year = 8.04125E+15 kcal. Iowa 2002 corn = 1,960,000,000 bushels Iowa 2002 soy = 494,900,000 bushels Iowa 2002 corn @ 60lb./bushel = 1.176E+11 lbs. Iowa 2002 soy @ 60lb./bushel = 2.9694E+10 lbs. Kcal./lb corn = 1828 kcal./lb. corn ^^^^^^^^^^^^^^ That number seems to me to high for nonruminant ME (should think more like 1500 something) Kcal./lb. soy = 1579 kcal./lb. soy Kcal. Iowa corn 2002 = 1.8569E+14 kcal. Kcal. Iowa soy 2002 = 5.4281E+13 kcal. Total kcal. Iowa corn & soy 2002 = 2.39971E+14 kcal/year (2002) World annual kcal. requirements/ Iowa 2002 corn & soy kcal. production = 33.51 My thanks, Don Foster Colorado |
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#4
20-07-2003, 07:02 PM
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Unlikely calculation
Torsten Brinch wrote: On Sat, 19 Jul 2003 16:42:12 GMT, Don Foster wrote: An exploration into the notion of how Iowa farmers would fare in feeding the world produced an unlikely result: the soy and corn crops of thirty three Iowa(s) would feed the world's population at 3500 Cal./day. I would appreciate a review of my figuring if someone is willing. Estimated world population 5/23/03 = 6,294,523,715 human beings World kcal. requirements @ 3500 Kcal./day/human being = 2.20308E+13 kcal. World kcal. requirements/year = 8.04125E+15 kcal. Iowa 2002 corn = 1,960,000,000 bushels Iowa 2002 soy = 494,900,000 bushels Iowa 2002 corn @ 60lb./bushel = 1.176E+11 lbs. Iowa 2002 soy @ 60lb./bushel = 2.9694E+10 lbs. Kcal./lb corn = 1828 kcal./lb. corn ^^^^^^^^^^^^^^ That number seems to me to high for nonruminant ME (should think more like 1500 something) ------ You are right. My spreadsheet uses the correct number: 1579 kcal./lb. corn. My posting mixed the numbers for corn and soy but the final figures should be good. Kcal./lb. soy = 1579 kcal./lb. soy Kcal. Iowa corn 2002 = 1.8569E+14 kcal. Kcal. Iowa soy 2002 = 5.4281E+13 kcal. Total kcal. Iowa corn & soy 2002 = 2.39971E+14 kcal/year (2002) World annual kcal. requirements/ Iowa 2002 corn & soy kcal. production = 33.51 My thanks, Don Foster Colorado |
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#5
20-07-2003, 07:02 PM
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Unlikely calculation
Dean Hoffman wrote: On 7/19/03 11:42 AM, in article , "Don Foster" wrote: An exploration into the notion of how Iowa farmers would fare in feeding the world produced an unlikely result: the soy and corn crops of thirty three Iowa(s) would feed the world's population at 3500 Cal./day. I would appreciate a review of my figuring if someone is willing. Estimated world population 5/23/03 = 6,294,523,715 human beings World kcal. requirements @ 3500 Kcal./day/human being = 2.20308E+13 kcal. World kcal. requirements/year = 8.04125E+15 kcal. Iowa 2002 corn = 1,960,000,000 bushels Iowa 2002 soy = 494,900,000 bushels Iowa 2002 corn @ 60lb./bushel = 1.176E+11 lbs. Iowa 2002 soy @ 60lb./bushel = 2.9694E+10 lbs. Kcal./lb corn = 1828 kcal./lb. corn Kcal./lb. soy = 1579 kcal./lb. soy Kcal. Iowa corn 2002 = 1.8569E+14 kcal. Kcal. Iowa soy 2002 = 5.4281E+13 kcal. Total kcal. Iowa corn & soy 2002 = 2.39971E+14 kcal/year (2002) World annual kcal. requirements/ Iowa 2002 corn & soy kcal. production = 33.51 My thanks, Don Foster Colorado This isn't a big thing but corn is generally accepted to be 56 pounds per bushel. More information he http://www.usda.gov/gipsa/pubs/96ex.pdf Thanks, yes, probably soy is less too. Sixty is what a friend rememberd for wheat. |
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#6
20-07-2003, 07:44 PM
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Unlikely calculation
On Sun, 20 Jul 2003 16:53:15 GMT, Don Foster
wrote: Dean Hoffman wrote: On 7/19/03 11:42 AM, in article , "Don Foster" wrote: An exploration into the notion of how Iowa farmers would fare in feeding the world produced an unlikely result: the soy and corn crops of thirty three Iowa(s) would feed the world's population at 3500 Cal./day. I would appreciate a review of my figuring if someone is willing. Estimated world population 5/23/03 = 6,294,523,715 human beings World kcal. requirements @ 3500 Kcal./day/human being = 2.20308E+13 kcal. World kcal. requirements/year = 8.04125E+15 kcal. Iowa 2002 corn = 1,960,000,000 bushels Iowa 2002 soy = 494,900,000 bushels Iowa 2002 corn @ 60lb./bushel = 1.176E+11 lbs. Iowa 2002 soy @ 60lb./bushel = 2.9694E+10 lbs. Kcal./lb corn = 1828 kcal./lb. corn Kcal./lb. soy = 1579 kcal./lb. soy Kcal. Iowa corn 2002 = 1.8569E+14 kcal. Kcal. Iowa soy 2002 = 5.4281E+13 kcal. Total kcal. Iowa corn & soy 2002 = 2.39971E+14 kcal/year (2002) World annual kcal. requirements/ Iowa 2002 corn & soy kcal. production = 33.51 My thanks, Don Foster Colorado This isn't a big thing but corn is generally accepted to be 56 pounds per bushel. More information he http://www.usda.gov/gipsa/pubs/96ex.pdf Thanks, yes, probably soy is less too. Sixty is what a friend rememberd for wheat. Correct me if I am wrong (bushel is a rather exotic unit for a metric mind) but wouldn't that bushel to lbs conversion depend on the water content? For good accuracy, figures for kcal/lb should be representative of the water content in the lbs. |
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#7
20-07-2003, 10:18 PM
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Unlikely calculation
On 7/20/03 12:31 PM, in article ,
"Torsten Brinch" wrote: On Sun, 20 Jul 2003 16:53:15 GMT, Don Foster wrote: Dean Hoffman wrote: On 7/19/03 11:42 AM, in article , "Don Foster" wrote: An exploration into the notion of how Iowa farmers would fare in feeding the world produced an unlikely result: the soy and corn crops of thirty three Iowa(s) would feed the world's population at 3500 Cal./day. I would appreciate a review of my figuring if someone is willing. Estimated world population 5/23/03 = 6,294,523,715 human beings World kcal. requirements @ 3500 Kcal./day/human being = 2.20308E+13 kcal. World kcal. requirements/year = 8.04125E+15 kcal. Iowa 2002 corn = 1,960,000,000 bushels Iowa 2002 soy = 494,900,000 bushels Iowa 2002 corn @ 60lb./bushel = 1.176E+11 lbs. Iowa 2002 soy @ 60lb./bushel = 2.9694E+10 lbs. Kcal./lb corn = 1828 kcal./lb. corn Kcal./lb. soy = 1579 kcal./lb. soy Kcal. Iowa corn 2002 = 1.8569E+14 kcal. Kcal. Iowa soy 2002 = 5.4281E+13 kcal. Total kcal. Iowa corn & soy 2002 = 2.39971E+14 kcal/year (2002) World annual kcal. requirements/ Iowa 2002 corn & soy kcal. production = 33.51 My thanks, Don Foster Colorado This isn't a big thing but corn is generally accepted to be 56 pounds per bushel. More information he http://www.usda.gov/gipsa/pubs/96ex.pdf Thanks, yes, probably soy is less too. Sixty is what a friend rememberd for wheat. Correct me if I am wrong (bushel is a rather exotic unit for a metric mind) but wouldn't that bushel to lbs conversion depend on the water content? For good accuracy, figures for kcal/lb should be representative of the water content in the lbs. You're right. The standard is generally for #2 yellow shelled corn. The moisture level is corrected to 15.5% dry weight, I think. There are also standards for foreign material etc. There might be more information at that link I mentioned above. I think the standards are different for soybeans and wheat too. Dean -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 80,000 Newsgroups - 16 Different Servers! =----- |
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