美国应叫停生物燃料生产
<p><span word="The">The</span> <span word="worst">worst</span> <span word="drought">drought</span> <span word="for">for</span> 50 <span word="years">years</span> <span word="is">is</span> <span word="inflicting">inflicting</span> <span word="huge">huge</span> <span word="damage">damage</span> <span word="on">on</span> <span word="the">the</span> <span word="US">US</span> <span word="maize">maize</span> <span word="crop">crop</span>, <span word="with">with</span> <span word="serious">serious</span> <span word="consequences">consequences</span> <span word="for">for</span> <span word="the">the</span> <span word="overall">overall</span> <span word="international">international</span> <span word="food">food</span> <span word="supply">supply</span>.</p><p>美国玉米作物正受到50年来最严重旱情的巨大破坏，使国际粮食总体供应情况受到了重大影响。</p><p><span word="The">The</span> <span word="situation">situation</span> <span word="reminds">reminds</span> <span word="us">us</span> <span word="that">that</span> <span word="even">even</span> <span word="the">the</span> <span word="most">most</span> <span word="advanced">advanced</span> <span word="agricultural">agricultural</span> <span word="systems">systems</span> <span word="are">are</span> <span word="subject">subject</span> <span word="to">to</span> <span word="the">the</span> <span word="vagaries">vagaries</span> <span word="of">of</span> <span word="the">the</span> <span word="weather">weather</span>, <span word="leading">leading</span> <span word="to">to</span> <span word="volatility">volatility</span> <span word="in">in</span> <span word="supplies">supplies</span> <span word="and">and</span> <span word="prices">prices</span> <span word="not">not</span> <span word="just">just</span> <span word="on">on</span> <span word="domestic">domestic</span> <span word="markets">markets</span> <span word="but">but</span> <span word="also">also</span> <span word="internationally">internationally</span>. <span word="Climate">Climate</span> <span word="change">change</span> <span word="and">and</span> <span word="extreme">extreme</span> <span word="weather">weather</span> <span word="events">events</span> <span word="will">will</span> <span word="further">further</span> <span word="complicate">complicate</span> <span word="the">the</span> <span word="picture">picture</span>.</p><p>当前形势提醒我们，即使是最发达的农业体系也无法摆脱天气无常的影响，这不仅会导致国内市场供给和价格波动，还会波及国际市场。气候变化和极端天气现象更使情况雪上加霜。</p><p><span word="US">US</span> <span word="maize">maize</span> <span word="production">production</span> <span word="had">had</span> <span word="been">been</span> <span word="expected">expected</span> <span word="to">to</span> <span word="increase">increase</span> <span word="to">to</span> <span word="record">record</span> <span word="levels">levels</span> <span word="this">this</span> <span word="year">year</span>. <span word="That">That</span> <span word="view">view</span> <span word="will">will</span> <span word="prove">prove</span> <span word="optimistic">optimistic</span>. <span word="Much">Much</span> <span word="of">of</span> <span word="the">the</span> <span word="reduced">reduced</span> <span word="crop">crop</span> <span word="will">will</span> <span word="be">be</span> <span word="claimed">claimed</span> <span word="by">by</span> <span word="biofuel">biofuel</span> <span word="production">production</span> <span word="in">in</span> <span word="line">line</span> <span word="with">with</span> <span word="US">US</span> <span word="federal">federal</span> <span word="mandates">mandates</span>, <span word="leaving">leaving</span> <span word="even">even</span> <span word="less">less</span> <span word="for">for</span> <span word="food">food</span> <span word="and">and</span> <span word="feed">feed</span> <span word="markets">markets</span>. <span word="The">The</span> <span word="August">August</span> <span word="US">US</span> <span word="Department">Department</span> <span word="of">of</span> <span word="Agriculture">Agriculture</span> <span word="estimates">estimates</span>, <span word="announced">announced</span> <span word="today">today</span>, <span word="will">will</span> <span word="give">give</span> <span word="a">a</span> <span word="more">more</span> <span word="precise">precise</span> <span word="idea">idea</span> <span word="for">for</span> <span word="just">just</span> <span word="how">how</span> <span word="much">much</span> <span word="the">the</span> <span word="maize">maize</span> <span word="crop">crop</span> <span word="is">is</span> <span word="reduced">reduced</span>. <span word="Few">Few</span> <span word="people">people</span> <span word="are">are</span> <span word="expecting">expecting</span> <span word="good">good</span> <span word="news">news</span>.</p><p>人们原本预料，今年美国玉米产量将打破历史最高纪录。事实证明这种观点过于乐观了。根据联邦法令，歉收的玉米中，相当大一部分将被用于生产生物燃料，因而进入粮食和饲料市场的玉米就更少了。</p>
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