不同耕作方式与秸秆还田对土壤养分及小麦产量和品质的影响

被引：57

作者：

周正萍

田宝庚

陈婉华

王子阳

袁伟

刘世平

机构：

[1] 扬州大学/江苏省作物遗传生理重点实验室/江苏省作物栽培生理重点实验室/江苏省粮食作物现代产业技术协同创新中心

来源：

作物杂志 | 2021年 / 03期

关键词：

耕作方式; 秸秆还田; 土壤养分; 小麦; 产量; 品质;

D O I：

暂无

中图分类号：

S512.1 [小麦]; S158 [土壤肥力（土壤肥沃性）];

学科分类号：

090301 [土壤学]; 090302 [植物营养学];

摘要：

为探寻稻麦两熟区高产优质高效的耕作方式和秸秆还田组合,从2001年开始,在长江中下游稻麦两熟区进行田间连续定位试验。设置稻麦双季免耕与秸秆还田(NTS)、麦季免耕与秸秆减量还田(RNT)、稻季免耕与秸秆减量还田(RCT)、稻麦双季翻耕与秸秆还田(CTS)、稻麦双季少耕与秸秆减量还田(MTS)以及稻麦双季翻耕无秸秆还田(CT,对照)6个处理。分析了不同耕作方式与秸秆还田组合下2009-2018年土壤有机质与全氮含量的变化,进一步明确其对小麦产量与品质的影响。结果表明,连续秸秆还田显著提高耕层土壤养分含量,其中MTS处理下土壤有机质与全氮含量较对照分别增加了29.64%和19.76%,具有明显的养分积累效果;但连续免耕不利于小麦产量的提高,RNT和RCT处理小麦产量较高,分别比NTS处理增加了16.33%和10.34%;同时RNT处理小麦的加工品质及面条质量也有提高趋势。因此,麦季免耕与秸秆还田结合的耕作模式有利于提高中弱筋小麦的产量和品质,可作为该地区发展优质高产高效小麦优先选择的耕作技术组合。

引用

页码：78 / 83

页数：6

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