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Nothing dominates the American landscape like corn. You can drive from central Pennsylvania all the way to western Nebraska, a trip of nearly 1, miles, and witness it in all its glory. No other American crop can match the sheer size of corn. So why do we, as a nation, grow so much corn?
The main reason is that corn is such a productive and versatile cropresponding to investments in research, breeding and promotion. It has incredibly high yields compared with most other U.
Plus, it can be turned into a staggering array of products. Corn can be used for food as corn flour, cornmeal, hominy, grits or sweet corn. It can be used as animal feed to help fatten our hogs, chickens and cattle. And it can be turned into ethanolhigh-fructose corn syrup or even bio-based plastics.
No wonder we grow so much of the stuff. But it is important to distinguish corn the crop from corn the system. As a crop, corn is highly productive, flexible and successful.
It has been a pillar of American agriculture for decades, and there is no doubt that it will be a crucial part of American agriculture in the future. However, many are beginning to question corn as a system: The current corn system is not a good thing for America for four major reasons.
The American corn system is inefficient at feeding people. Most people would agree that the primary goal of agriculture should be feeding people. While other goals—especially producing income, creating jobs and fostering rural development—are critically important too, the ultimate success of any agricultural system should be measured in part by how well it delivers food to a growing population.
After all, feeding people is why agriculture exists in the first place.
Much of the rest is exported. Only a tiny fraction of the national corn crop is directly used for food for Americans, much of that for high-fructose corn syrup. Yes, the corn fed to animals does produce valuable food to people, mainly in the form of dairy and meat products, but only after suffering major losses of calories and protein along the way.
For corn-fed animals, the efficiency of converting grain to meat and dairy calories ranges from roughly 3 percent to 40 percent, depending on the animal production system in question. What this all means is that little of the corn crop actually ends up feeding American people. The average Iowa cornfield has the potential to deliver more than 15 million calories per acre each year enough to sustain 14 people per acre, with a 3, calorie-per-day diet, if we ate all of the corn ourselvesbut with the current allocation of corn to ethanol and animal production, we end up with an estimated 3 million calories of food per acre per year, mainly as dairy and meat products, enough to sustain only three people per acre.
That is lower than the average delivery of food calories from farms in Bangladesh, Egypt and Vietnam. In short, the corn crop is highly productive, but the corn system is aligned to feed cars and animals instead of feeding people. First and foremost, shifting corn away from biofuels would generate more food for the world, lower demand for grain, lessen commodity price pressures, and reduce the burden on consumers around the world.
Furthermore, eating less corn-fed meat, or shifting corn toward more efficient dairy, poultry, pork and grass-fed beef systems, would allow us to get more food from each bushel of corn.THE FALSE ALLURE OF GROUP SELECTION.
Human beings live in groups, are affected by the fortunes of their groups, and sometimes make sacrifices that benefit their groups.
X— Last week I returned to Amherst. It’s been years since I was there, the time we met. I was hoping that you’d show up again; I even looked for you, but you didn’t appear.
With member countries, staff from more than countries, and offices in over locations, the World Bank Group is a unique global partnership: five institutions working for sustainable solutions that reduce poverty and build shared prosperity in developing countries.
March (This essay is derived from a talk at the Harvard Computer Society.) You need three things to create a successful startup: to start with good people, to make something customers actually want, and to spend as little money as possible.
What You'll Find in this Article: 1. Instructions for how to (and how not to) pick a topic. 2. Lists of topic ideas (in the categories of food and health, obesity and dieting, recycling and the environment, families and relationships, and science and technology, with videos and many links to research and student essay examples.
Insurance And Risk Management Business Essay. It all started by the Marine insurance in the end of the 12th Century in Northern Italy.
|Home | Turnitin||Max Gerber] I am often asked whether I agree with the new group selectionists, and the questioners are always surprised when I say I do not. After all, group selection sounds like a reasonable extension of evolutionary theory and a plausible explanation of the social nature of humans.|
|What You'll Find in this Article:||Sample Research Papers The conception of insurance is the spreading of risks for a few individuals, among many. This is done when individuals and businesses pay a premium to an insurance company to cover them in case of a catastrophic occurrence.|
In , with the opening of a special Chamber of Assurance in England to register marine policies as evidence of contract and its .