Effect of Organic Farming on Soil Nutrients and Structure Essay

Effect of Organic Farming on Soil Nutrients and Structure Works Cited Missing Since the 1970s, the agribusiness and agrochemical industries have been aware of a growing problem: as the global population soars, soils around the world are becoming less suitable for farming as a result of erosion, nutrient depletion, and structural degradation. In the United States, about 60,000 farmers have abandoned the "conventional" system which relies on chemical fertilizers and pesticides, and adopted the organic farming systems that allowed areas of China and India to be successfully farmed for 4,000 years (Reganold et al., 1990, p. 112). Organic farmers use plant matter and animal and municipal wastes for fertilizer, and rely on natural predators and disease-resistant crop strains to keep insects and fungi under control. While these methods are appealing to many on philosophical grounds, they also bring tangible benefits to farmers who observe improved soil structure, nutrient levels, and erosion control. Many of the benefits that farmers claim to receive from organic farming are related to increased humus levels. Droeven et al. (1980) found that field which received additions of farm-yard manure (FYM) had organic matter levels that were significantly higher than those in fields using chemical fertilizers and plowing in the plant matter from previous crops -- the method used on conventional farms (p. 215). Reganold et al. (1993) compared 16 biodynamic (organic farms that also incorporate silica and plant preparations) and conventional farms and reported that the biodynamic soils consistently had a 1% greater carbon content (p<0.01) (p. 346). This increased organic matter content has a variety of positive consequences. Reganold ... ...ic farming measurably disrupts natural processes, but it must be noted that a great deal of plant material is not returned to the soil in Nigerian farming practices, and so has the opportunity to deplete the soil in nutrients that plants use to grow. While the findings of Aweto and Ayuba provide strong evidence that organic farming probably can not leave any soil ecosystem undisturbed. The simple act of removing some plant matter causes nutrient depletion over time. However, the addition of manure and plant material, rather than simply using inorganic fertilizers provides a way adapt natural processes in the soil to aid in the cultivation of crops. The benefits of a healthy soil ecosystem range from decreased erosion to easier plowing. And through recycling the wastes that are now being produced, agribusiness may yet be able to feed the global human population.

Love and Entire Emotional Spectrum Essay

The main subject of â€Å"Editha† is war. Editha blindly and ignorantly believes in the heroic romanticism of war and is totally oblivious to the real consequences of battle, and Howells shows his dislike in his portrayal of Editha though the plots. From the earliest of moments in the story, Editha is shown as one who has embraced the jingoistic claims of nationalism in a time of war. Editha sees war as a romantic pursuit, one in which there is no complexity. For Editha, when the nation has committed to war, there is no question of its authenticity and little room for doubt in terms of individuals paying heed to its call: â€Å"But don’t you see, dearest,† she said, â€Å"that it wouldn’t have come to this, if it hadn’t been in the order of Providence? And I call any war glorious that is for the liberation of people who have been struggling for years against the cruelest oppression. Don’t you think so too?† Editha views war in terms of providential design, â€Å"glorious† in its notion of â€Å"liberation,† and an exercise in which there can be no ambiguity. For Editha, war is an exercise of Romantic valor, something expressed to George in a letter to him in which her love of the â€Å"adventure† in war is almost secondary to the affection of a beloved: â€Å"I shall always love you, and therefore I shall never marry anyone else. But the man I marry must love his country first of all, and be able to say to me, â€Å"‘I could not love thee, dear, so much, Loved I not honor more.’ â€Å"There is no honor above America with me. In this great hour there is no other honor.† â€Å"Honor† is something that Editha defines externally. George defines himself in a very different manner. For George, â€Å"honor† is internal, adhering to a conception from within. In response to Editha’s zeal about war, George responds, â€Å"†But war! Is it glorious to break the peace of the world?† For George, the action of war is not honorable. George sees the world possessing doubt, something that he feels is present when he â€Å"differs† from Editha. In contrast to Editha’s certainty, George sees doubt and confusion. It is because of this that he is swayed to join the war effort, joining something in which he has doubt and uncertainty. It is in this point and counterpoint in which Editha and George operate. They function in relation to one another because they represent the entire emotional spectrum about love, war, and commitment.

Before Delving Into The Economics Of The Proposed Policy,

Before delving into the economics of the proposed policy, the paper will first show why marijuana is the safer alternative, but as previously mentioned, alcohol and marijuana are still harmful to the body, just in different magnitudes. The World Health Organization (WHO) has been able to directly identify 30 diseases that are attributable to alcohol consumption and although these disorders are not as fatal as other chronic diseases, they still rank fourth among the most disabling diseases in low to middle income countries and third most in high income countries3. The organization has also been able to link alcohol consumption with cancer, diabetes, cardiovascular disease, neuropsychiatrist disorders, liver and pancreatic disease, and†¦show more content†¦Because alcohol adversely affects the immune system, it should come as no shock that consumption increases the risk of being infected with TB, and HIV/AIDS, among other infectious diseases3. Alcohol dependence leads to a hig her chance of being unemployed and living in crammed public shelters, which in turn increases the risk of being infected with these diseases3. Additionally, experimental studies show that alcohol consumption lead to a greater inclination to practice unsafe sex, raising the risk for HIV/AIDS3. Like alcohol, marijuana consumption can also lead to diseases and disorders. Marijuana is especially harmful to youth as it affects brain development due to exposure to THC, the key ingredient in marijuana. One key issue with marijuana consumption by adolescents is the risk of addiction. Approximately 9% of those who experimented with marijuana became addicted and the probability increases to 1 in 6 if smoking began when the individual was a teen1. Researchers have found that individuals who smoked marijuana as adolescents had a neural impairment in the brain, specifically in the areas responsible for self-conscious awareness, memory, and habits, which may explain why frequent use has been seen to result in declines in IQ1. Much like alcohol, it is difficult to establish causality between marijuanaShow MoreRelatedThe United States Of America Is Governed By An Oligarchy.1620 Words   |  7 Pagesa young age that we are a democracy is an idealistic, and unrealistic view of current political affairs. Before delving into why the United States operates as a government dominated by the economic elite rather than a democracy though, the latter must be defined. 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