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Gas prices
Maxprop wrote:
"Thom Stewart" wrote Transport is only part of the picture. Growing and transporting enough corn to make a gallon of ethanol, then actually making it, consumes mucho energy itself - some claim it takes more energy to produce than we can get back out of it. Who could that be. Could it be . . . oh, I don't know . . . maybe . . . BIG OIL??!!! I don't know if that's true but I do know that a tractor plowing a field, or even just disking and planting "no-till" corn uses more fuel than most folk can imagine. The exact figures escape me but maybe one of y'all know. Also, farming is about as dangerous as mining. Well, maybe we should be harnessing cow farts in order to offset the expense and grave danger of raising corn. Katy wrote: So, Mr. Doom and Gloom...there's no answer in fossil fuel...and there's no answer in vegetable fuel. Are you going to be the first to offer yourself up in sacrifice or do you just advocate sitting around watching as humanity collapses? Nah...don't answer that. I already know your answer. Thom, the retired oil refinery worker, might be a bit biased, Katy. Then again, he's maybe just counting on the fact that he won't be around to see the disaster that dwindling petroleum reserves will eventually be for our ancestors. Max I was responding to Vito, not Thom. |
Gas prices
Vito wrote:
"Martin Baxter" wrote Hmmm, not sure about your chemistry here Vito, Nitric acid, HN03, you need hydrogen too, and that's not coming from the air. Ah, but it is - in the form of water vapor (fog) which mixes with the nitric oxide to mke acid. Well, what we are really talking about is the creation/emission of nitric oxide (NO), nitrogen dioxide (N02) and nitrous oxide (N2O), not nitric acid (HNO3. The nitric acid thing happens in the atmosphere and forms acid rain. After doing a little research you are basically correct, the rate of formation of nitrogen oxides is related to compression ratios, has to do with heat of the reaction and rate of burn apparently. Interestingly the catalytic converter which reduces NO and NO2, both contributors to smog may actually increase the production of nitrous oxide. Nitrous oxide is not regulated by the Clean Air Act as it is not considered to contribute to smog formation. It is however considered to be nasty greenhouse gas, over 300 times as potent as carbon dioxide. Cheers Marty |
Gas prices
"katy" wrote
They did a study of the Amish farmers in the southern Michigan and northern Indiana area and found that for small farms, those under 300 acres, that Belgian horses were more efficient than tractors. One of the factors was that a horses weight on the soil does not rip it up like the heavy tread of a tractor. There is some truth in this. FWIW circa 1968 I used "no-till" to grow corn for my cattle. Plowing is for weed control, the freeze-thaw cycle naturally prepares the soil for planting, and plowing is hideously expensive in fuel, time and wear & tear on machinery. I'd spread rye grass seed on the snow followed by manure. The manure sank through the snow carrying the seed with it. Come early spring the rye grew knee high and kept the soil shaded and moist. Then I poisoned the rye with a non-persistent herbicide and it lodged up into a mat that allowed me to drive a flotation tired tractor over the very wet soft soil pulling a light planter. After harvesting the corn in the fall, I'd disk the stalks into the soil but never plow. Had the same or better yield/acre as conventional plowing. I'd have loved to farm like the Amish but it would be impossible to produce enough crops to feed our current non-farming population today - let alone grow enough corn to make enough ethanol - using horse and buggy technology. We'd have to force modern Americans off welfare and make them (gasp) work like illegal aliens just to provide the manpower. Never happen!! |
Gas prices
Vito wrote:
"katy" wrote They did a study of the Amish farmers in the southern Michigan and northern Indiana area and found that for small farms, those under 300 acres, that Belgian horses were more efficient than tractors. One of the factors was that a horses weight on the soil does not rip it up like the heavy tread of a tractor. There is some truth in this. FWIW circa 1968 I used "no-till" to grow corn for my cattle. Plowing is for weed control, the freeze-thaw cycle naturally prepares the soil for planting, and plowing is hideously expensive in fuel, time and wear & tear on machinery. I'd spread rye grass seed on the snow followed by manure. The manure sank through the snow carrying the seed with it. Come early spring the rye grew knee high and kept the soil shaded and moist. Then I poisoned the rye with a non-persistent herbicide and it lodged up into a mat that allowed me to drive a flotation tired tractor over the very wet soft soil pulling a light planter. After harvesting the corn in the fall, I'd disk the stalks into the soil but never plow. Had the same or better yield/acre as conventional plowing. I'd have loved to farm like the Amish but it would be impossible to produce enough crops to feed our current non-farming population today - let alone grow enough corn to make enough ethanol - using horse and buggy technology. We'd have to force modern Americans off welfare and make them (gasp) work like illegal aliens just to provide the manpower. Never happen!! See? There are answers to this...ut's just that no one's willing to implement them. Those on welfare should have to go to a specific location every day where work (farm or otherwise) is available. They would be provided a chit for the days work to take back to the welfare office. if they refused work (they would be permitted to allow for infirmities and redirected into something they could do) their welfare is decreased. Another good that would come out of this is that all corn production (except for sweet corn for the table) would be diverted to fuel. Corn meal is not a healthy whole grain and Americans eat way too much of it. Corn syrup is added into most processed foods as a sweetener. Divert to sugar beet for sweeteners on a commercial basis. Sugar beet grows where corn won't and the pulp is usable for feed lot filler. |
Gas prices
"Dave" wrote in message
... On Thu, 04 May 2006 13:24:50 -0400, katy said: Academic? There's plenty of valid literature out there regarding small agribusiness (the family farm) and how worthwhile it would be to pursue maintaining and increasing small farms. Katy, I grew up in farming country. Even in the 50s the 174 acre farm he posits as the maximum size would never have been economically viable when compared to those around it. There's a reason why the size of farms has grown. And that reason is lack of labor. We all know that slaves once provided it on big plantations. Our dirty little secret is that one's own kids provided it on "family farms". Every generation the farmer wore out several wives producing a dozen or more kids who did the same work as slaves on 'massa's plantation for the same wage. Every generation the eldest inherited the farm, married one of the girls next door (or his half-sister) and began his own crop of slaves. These displaced the farmer's siblings who ended up in city sweat shops where a few lived to be as old as 30. That's one reason average life expectancy was so low. Now we rely on machines instead. No matter how nostalgic one wishes to wax, the case for the small family farm is based on emotion, not economics. And misguided emotion at that. Check out some old family graveyards. You'll find a father then his son then his son, and so on. In between each one you'll find 3 or 4 wives plus some kids, worked to death. Then wonder what happened to the dozen or so kids each generation who are not buried there. I'll take a tractor and combine over that any day! Folks who yearn for the family farm have never put up hay grin. |
Gas prices
"Scotty" wrote.
A guy down the road from me uses 12 (horses), side by side ( single row) for plowing. Looks cool! 12 horses to plow a single row gives one an idea of how much fuel a tractor uses to plow an acre for corn, and why ethanol may take more energy to produce than it can yield back. |
Gas prices
"Maxprop" wrote
Transport is only part of the picture. Growing and transporting enough corn to make a gallon of ethanol, then actually making it, consumes mucho energy itself - some claim it takes more energy to produce than we can get back out of it. Who could that be. Could it be . . . . BIG OIL??!!! That doesn't make it false. Do your own math. Google up how much fuel it takes to grow a bushel of corn then ferment it then distill off the ethanol and how many gallons we get per bushel. Well, maybe we should be harnessing cow farts in order to offset the expense and grave danger of raising corn. And after doing that look up the accident & death rate from farming. Thom, the retired oil refinery worker, might be a bit biased, Katy. Then again, he's maybe just counting on the fact that he won't be around to see the disaster that dwindling petroleum reserves will eventually be for our ancestors. That'll be a minor annoyance compared to what'll happen if our population keeps growing. |
Gas prices
"Maxprop" wrote
Noteworthy is that we passed the $2.70 per gallon barrier earlier this year. A smart society or government would consider adopting a program of progressive ethanol replacement, but my guess is that it's going to take a miracle of some sort to convince our government to act. And of course we face the constant barrage of lobbying and disinformation by Big Oil. Money talks, logic walks. A bit over a year ago I went to the MD with a sore throat that turned out to be cancer, but the MD screwed around trying to lower my blood pressure until his medicines gave me heart trouble. By the time I quit taking his prescriptions and got a different MD a few month later I only had a 1 in 5 chance of survival. Fretting over oil and ethanol is like worrying over minor hypertension while your patient dies of cancer. Our cancer is overpopulation. Cure it and all our other problems become manageable. Ignore it and we face a global Easter Island disaster whether we switch to ethanol or not. |
Gas prices
Dave wrote:
On Fri, 5 May 2006 12:54:33 -0400, "Vito" said: I'd have loved to farm like the Amish but it would be impossible to produce enough crops to feed our current non-farming population today - let alone grow enough corn to make enough ethanol - using horse and buggy technology. Katy's argument, of course, is that that type of farming would be as efficient as the type that now prevails. http://www.oxfamamerica.org/whatwedo...m/art2570.html |
Gas prices
Vito wrote:
"Dave" wrote in message ... On Thu, 04 May 2006 13:24:50 -0400, katy said: Academic? There's plenty of valid literature out there regarding small agribusiness (the family farm) and how worthwhile it would be to pursue maintaining and increasing small farms. Katy, I grew up in farming country. Even in the 50s the 174 acre farm he posits as the maximum size would never have been economically viable when compared to those around it. There's a reason why the size of farms has grown. And that reason is lack of labor. We all know that slaves once provided it on big plantations. Our dirty little secret is that one's own kids provided it on "family farms". Every generation the farmer wore out several wives producing a dozen or more kids who did the same work as slaves on 'massa's plantation for the same wage. Every generation the eldest inherited the farm, married one of the girls next door (or his half-sister) and began his own crop of slaves. These displaced the farmer's siblings who ended up in city sweat shops where a few lived to be as old as 30. That's one reason average life expectancy was so low. Now we rely on machines instead. No matter how nostalgic one wishes to wax, the case for the small family farm is based on emotion, not economics. And misguided emotion at that. Check out some old family graveyards. You'll find a father then his son then his son, and so on. In between each one you'll find 3 or 4 wives plus some kids, worked to death. Then wonder what happened to the dozen or so kids each generation who are not buried there. I'll take a tractor and combine over that any day! Folks who yearn for the family farm have never put up hay grin. Most often the wives died of puepheral fever (childbed fever) and the children of measles, mumps, etc. You have a very jaded view of family farm life. My family farmed. No one died of slave labor. My paternal grandmother not only raised 5 kids (4 college graduates) but also was the church organist. The kids were required to work, sure. Did it do them any har,? Guess not, since they were a;l successful in later life and had an excellent work ethic. Their life was hard. We grew up hearing the stories about the Depression. The saving grace was that they were farmers, so at least had food on their table and a roof over their head. On the other side, my maternal grandfather came from a plantation in Missouri. They freed their slaves when the Emancipation Proclamation was published. The farm is still being farmed (dairy and wheat) and the family graveyard stills stands in tribute to my ancestors. Your interpretation of the family farm smacks of revisionism. |
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