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shui dao li ku bing de zheng zhuang bing yin ji qi fang zhi cuo shi
Author(s): 
Pages: 33-35
Year: Issue:  4
Journal: Reclaiming and Rice Cultivation

Keyword:  水稻立枯病防治措施症状表现秧苗根系发病原因青枯病生理性病理性发病率育苗技术;
Abstract: <正> 水稻立枯病是稻区秧田中的严重病害,尤其在盐碱较重的稻区危害更重,常因立枯病的大量发生导致毁苗或严重缺苗,影响水稻生产的正常进行。从一九八八年开始,辽宁省营口新生农场连续六年推行软盘育苗技术,头两年秧苗长势良好,立枯病很少发生。从九○年至今育苗方式及其配套技术几乎没有什么变动,但立枯病的发病率逐年增高。据调查,近四年水稻立枯
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