23、

Organic Food：Why?

　 1．Europe is now the biggest market for organic food in the world，expanding by 25 percent a year over the past lo years．So what is the attraction of organic food for some people? The really important thing is that organic sounds morenaturaleating organic is a way of defining oneself as natural，good，caring，different from the junkfoodeating masses．

　 2．Unlike conventional farming，the organic approach means farming with natural rather than man-made，fertilizers and pesticides．Techniques such as crop rotation(轮种)improve soil quality and help organic farmers compensate for the absence of manmade chemicals．As a method of food production organic is，however，inefficient in its use of labor and land：there are severe limits to how much food Call be produced．Also，the environmental benefits of not using artificial fertilizers are tiny compared with the amount of carbon dioxide emitted(排放)by transporting food．

　 3．Organic fanning is often claimed to be safer than conventional farming．Yet studies into organic farming worldwide continue to reject this claim．An extensive review by the UK Food Standards Agency found that there was no statistically significant difference between organic and conventional crops．Even where results indicated there was evidence of a difference，the reviewers found no sign that these differences would have any noticeable effect on health．

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