不同直播方式与杂草防除时期对稻田杂草发生及早籼稻产量的影响
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ZHOU Yan-zhi, CHEN Li-ming, WANG Wen-xia, LI Zu-jun, ZENG Yong-jun, TAN Xue-ming, HU Shui-xiu, SHI Qing-hua, PAN Xiao-hua, ZENG Yan-hua*
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