基于盆栽试验的烟草残茬还田对水稻生长和产量的影响

JOURNAL OF AGRICULTURE(2022)

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Abstract
为了明确烟草残茬还田后对水稻生长和产量的影响,采用盆栽试验,模拟不同的烟草残茬还田方式,检测了水稻分蘖、株高、根系、干物质积累、氮磷钾养分积累动态及产量.结果表明,烟草残茬还田能促进水稻分蘖,增加株高,促进根系发育,增加植株干物质积累量和氮磷钾积累量,提高水稻产量;烟草残茬全量还田、烟草根系还田可分别提高产量17.35%、8.60%.烟草残茬还田有利于水稻生长和产量提高,在烟稻复种区可推广烟草残茬全量还田方式.
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