山东近期天气整体利于秋作物成熟收获 冬小麦始播期预计略偏晚|中文字幕一区在线观看视频
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中新网济南9月9日电(记者 孙婷婷)白露时节,齐鲁大地秋作物进入关键生长期。夏玉米进入灌浆乳熟期,花生进入饱果成熟期,大豆则处于鼓粒期。山东省气象局9日发布2025年冬小麦适宜始播期的预报信息,据预测,当前该省大部分地区土壤墒情适宜,秋作物长势良好。预计9月中下旬气温较常年略偏高,降水偏多两三成,气象条件总体利于秋作物后期成长。

山东省气象局气候中心高级工程师李曼华介绍说,气象数据显示,2025年6月至8月,山东省平均降水量为405.0毫米(不含泰山站,下同),较常年偏少13.5毫米。降水主要集中在7月下旬和8月上旬,大部分地区农田底墒较好,有利于秋播工作的开展。
“综合考虑前期气象条件、前茬作物生长情况和短期气候趋势预测,预计2025年山东省大部分地区冬小麦适宜播种期接近常年或略偏晚。”李曼华称,其中,鲁西北大部、烟台和潍坊部分地区始播期在10月5日至7日;鲁南大部、鲁中和半岛沿海地区在10月11日至13日;枣庄、济宁、临沂和日照部分地区在10月14日至16日,其他地区在10月8日至10日。
山东冬小麦以冬性、半冬性品种为主,冬小麦从播种至出苗需要0℃以上的积温120℃,主茎每长出一片叶约需积温70℃—80℃;冬前壮苗的个体主茎叶龄为6~7叶,播种过早易形成旺苗,冬小麦受冻害风险增加。
结合气候预测,山东省气象局有针对性地提出建议,预计冬小麦越冬期偏晚,冬前积温充足,建议各地适当晚收夏玉米,充分发挥夏玉米产量潜力,确保增产增收。此外,由于降水分布不均,建议各地结合实际情况,过湿的农田,要及时耕翻、散墒,保证适时播种。
对于秋季气候趋势,气象部门预测,预计2025年秋季全省平均降水量较常年偏多两三成,平均气温较常年偏高。预计山东省大部地区日平均气温稳定通过18℃终日接近常年或略偏晚;大部地区初霜冻日期(地面最低温度≤0℃初日),较常年略偏晚。(完)
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