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Agriculture in Uzbekistan employs 28% of the country's labor force and contributes 24% of its GDP (2006 data).〔 Crop agriculture requires irrigation and occurs mainly in river valleys and oases. Cultivable land is 4.4 million hectares, or about 10% of Uzbekistan's total area, and it has to be shared between crops and cattle. Desert pastures cover fully 50% of the country, but they support only sheep.〔 ==Agricultural production== Cotton is Uzbekistan's main cash crop, accounting for 17% of its exports in 2006.〔''Uzbekistan in Numbers 2006'', State Statistical Committee of the Republic of Uzbekistan, Tashkent, 2007 .〕 With annual cotton production of about 1 million ton of fiber (4%-5% of world production) and exports of 700,000-800,000 tons (10% of world exports), Uzbekistan is the 6th largest producer and the 2nd largest exporter of cotton in the world.〔 hallo(''Cotton This Week'', International Cotton Advisory Committee, February 2005. )〕 However, because of the risks associated with a one-crop economy as well as from considerations of food security for the population, Uzbekistan has been moving to diversify its production into cereals, while reducing cotton production. Thus, the area sown to cotton was reduced from 1.8 million hectares in 1990 to 1.4 million hectares in 2006, while the area under cereals increased from 1.0 million to 1.6 million hectares (in part at the expense of areas allocated to feed crops).〔 Another cause behind moves to diversify may be environmental, because the large quantities of irrigation and fertilization needed to produce cotton have contributed to the drying up of the Aral Sea and to the severe pollution of the soil in the surrounding areas. The main cereals are wheat, barley, corn, and also rice, which is grown in intensively irrigated oases. Minor crops include sesame, onions, flax, and tobacco. Fresh fruits are mainly consumed domestically, while dried fruits are also exported. Uzbek melons, known for their long life and unique taste, are widely sought after in the large cities of the CIS. Pelts of the karakul sheep bred in Bukhara and its environs are a traditional export commodity, but their contribution to total exports today is negligible. The production of karakul pelts dropped from 1.4 million pieces in 1990 to less than 700,000 pieces in 2004.〔''Statistical Yearbook of the Republic of Uzbekistan 2004'', State Statistical Committee, Tashkent, 2005 .〕 Cattle, sheep, and chickens are raised for meat. There are 3 million cows in Uzbekistan, and they produce 5 million liters of milk per year.〔 The achieved yields of around 1,600 kg of milk per cow per year are among the lowest in the CIS〔(Agriculture in the Black Sea Region )〕 (compared to 2,500 kg per cow per year for Russia, Ukraine, and Moldova) and dismally low compared to those in the EU countries or North America. The low milk yields are attributable to insufficient feed and reluctance of peasants to use artificial insemination for breed improvement. Although silkworms and mulberry trees have existed in Uzbekistan since the 4th century and the country is known for its colorfully patterned silks, the silk industry continues to be statistically insignificant. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Agriculture in Uzbekistan」の詳細全文を読む スポンサード リンク
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