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当前北方马铃薯晚疫病发生动态及趋势分析
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当前北方马铃薯晚疫病发生动态及趋势分析
2015年8月13日,全国农业技术推广服务中心发布了北方马铃薯晚疫病发生动态及趋势分析。 一、当前发生情况 受前期北方降雨偏少影响,我国北方大部地区马铃薯晚疫病发生轻于近几年,仅甘肃南部、山西北部、河北北部、黑龙江等局部地区感病品种发生较重。截止2015年8月13日,北方马铃薯晚疫病发生面积388.6万亩,比上年同期减少38.9%。其中,西北主产区发生196.7万亩,同比减少31.9%;华北主产区发生120.8万亩,同比减少32.6%。 二、下阶段发生趋势分析 预计下阶段北方马铃薯晚疫病总体中等...
Fungicides China News 201508 (Chinese version)
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