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1998年我省小麦生产遭受了多年来少有的干旱影响,气温自去年11月以来持续偏高,平均气温比历年高出2℃~3℃,作物病虫害在冬季未受到抑制,繁殖迅猛。小麦条锈病和蚜虫普遍发生,累计面积达630多万亩,给小麦生产造成严重影响。昆明市去冬今春出现了罕见的暖...
In 1998, wheat production in our province suffered from years of rare drought. The temperature has been consistently high since November last year, and the average temperature is 2 ℃ -3 ℃ higher than that of previous years. Crop pests and diseases have not been suppressed in winter and are rapidly propagated. Wheat stripe rust and aphid widespread occurrence, the cumulative area of more than 6.3 million mu, have a serious impact on wheat production. Kunming winter to spring there has been a rare warm ...