秸秆还田对粳稻垦粳5号产量和品质的影响
Jiangsu Agricultural Sciences(2021)
Abstract
为明确秸秆还田对盐碱地土壤水稻产量和品质的影响,以粳稻垦粳5号为试验材料,采用单因素完全随机设计进行试验研究.结果表明,施用秸秆12000 kg/hm2产量最高,达到了6986.87 kg/hm2,增产3.5%;穗粒数显著高于对照,较对照高15.21%;施用秸秆12000 kg/hm2碾磨品质最好,极显著提高了整精米率,较对照高7.86%;不同处理的垩白度与垩白粒率均极显著或显著低于对照;施用秸秆量在16500 kg/hm2的蛋白质含量极显著高于对照和其他处理,较对照高7.95%;施用秸秆量在7500 kg/hm2的直链淀粉高于对照,较对照高1.78%;秸秆还田不利于提高食味评分,除还田量最大的处理差异均不显著.
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