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新华社北京8月25日电(记者 陈炜伟)国家统计局25日发布的数据显示,2017年全国早稻产量为3174万吨(635亿斤),比2016年减产103.7万吨(21亿斤),下降3.2%。
国家统计局农村司首席统计师侯锐介绍,早稻产量有所下降,主要是由于早稻播种面积继续减少、早稻单产略有降低造成的。
从播种面积看,今年早稻播种面积5463千公顷(8195万亩),比2016年减少156.5千公顷(235万亩),下降2.8%。侯锐分析,播种面积减少的原因主要有三方面:一是由于早稻种植比较效益低,劳动强度大,农村劳动力不足,部分农户选择“水田改旱田”或“双季稻改单季稻”;二是部分早稻主产区积极推进农业供给侧结构性改革,主动调整农业生产结构;三是部分地区水田休耕轮作面积增加。
从单产看,今年早稻单产为5810公斤/公顷(387公斤/亩),比2016年减少22.7公斤/公顷(1.5公斤/亩),下降0.4%。侯锐分析,单产降低的主要原因是今年早稻生长期间农业气象条件差、局部地区受灾较重。2017年因单产减少,使全国早稻产量减少12.4万吨(2.5亿斤),占减产总量的12%。
国家统计局公布的早稻产量数据,由早稻主产区以省为总体抽样调查和非主产区重点调查两种调查方式得出。其中,主产区包括浙江、安徽、福建、江西、湖北、湖南、广东、广西8个省(区),由国家统计局各调查总队组织在国家调查县(市)开展抽样调查和实割实测调查,8省(区)产量合计占全国早稻产量的97%左右。非主产区海南、云南的早稻产量数据根据重点调查测算得出。
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