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2024年全国油菜秋冬种技术意见
秋分将至,油菜秋冬种即将全面展开。整体看,今年油菜主产区前茬作物生育进程较快,茬口衔接顺畅,有利于适期播种。据气象预测,长江流域9月—10月降雨时空分布不均,上中游区持续干旱风险较高,“拉尼娜”现象正加速形成,下游区冬前极端低温发生概率增加,对油菜播种出苗和冬前生长带来一定影响。各地要聚焦油菜大面积单产提升目标,坚持早备耕、早播种,力争种在适播期,落实增密度、开三沟、控草害、防病虫等技术环节,确保 ...
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