2010年12月8日在京召开的全国农业技术推广工作会议上,记者了解到,随着气候变暖,极端农业气象灾害和农业生物灾害呈重发、多发、频发态势,每年因气象灾害损失粮食达100~200亿公斤,因生物灾害损失粮食达300~400亿公斤。2005年以来,全国农技推广中心组织实施了区域性重大病虫害歼灭战、局 December 8, 2010 in Beijing held a national agricultural extension meeting, the reporter learned that, as the climate warming, extreme agrometeorological disasters and agricultural biological disasters were repeated, frequent and frequent situation, the annual loss due to meteorological disasters Grain reaches 10 to 20 billion kilograms, resulting in a loss of 30-40 billion kilograms of grain due to biological disasters. Since 2005, the National Agricultural Technology Extension Center has organized and implemented regional major pest and disease annihilation campaigns. The bureau