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根据2003年浙江粮食作物布局、栽培条件、2002年病虫发生情况、冬前病虫残留基数及省气象台2003年1至9月份长期天气预报综合分析,预测2003年粮油作物病虫总的发生趋势仍为中偏重发生年份,虫害重于病害。据省气象部门长期天气趋势分析,今年1～5月份气温比常年偏高战略偏高,1～9月份降水量全省大部分地区接近常年或略偏多。根
According to the distribution of grain crops in Zhejiang in 2003, the occurrence of pests and diseases in 2002, the number of pests and diseases residues in winter and the long-term weather forecast from January to September in 2003, The year is still preoccupied with pests heavier than diseases. According to the provincial meteorological department long-term weather trend analysis, January to May this year, the temperature is higher than the strategy of high perennial high, from January to September rainfall in most parts of the province close to normal or slightly more. root