赣东北再生稻轻型化种植模式播期优化及其对源库关系的影响

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随着城镇化进程的发展,农村人口逐步向城镇转移,导致农村劳动力数量越来越少,进而影响粮食生产和国家粮食安全,因此农作物轻型化栽培技术迅速发展。再生稻是头季稻收割后稻桩上的腋芽萌发成苗并且抽穗结实然后收获的一季水稻的种植方式。它具有一次种植两次收获的优点,但与直播和抛秧等轻型化栽培技术相比,头季稻的人工插秧和收割严重影响了再生稻的发展。本研究的研究目标是1)明确赣东北再生稻的再生能力的调控因素;2)分析轻型化栽培技术和播期对头季和再生季的源库关系的影响;3)根据区域气候条件和社会经济效益,评价赣东北再生
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