烤烟油菜轮作及平衡施肥下土壤氮素动态变化研究

doi:10.14088/j.cnki.issn0439-8114.2022.15.015

湖北农业科学 ›› 2022, Vol. 61 ›› Issue (15): 98-102.doi: 10.14088/j.cnki.issn0439-8114.2022.15.015

烤烟油菜轮作及平衡施肥下土壤氮素动态变化研究

张启莉¹, 肖玲², 李涛², 马薇², 何佶弦¹, 顾会战¹

1.四川省烟草公司广元市公司,四川广元 628000;
2.四川农业大学资源学院,成都 611130

收稿日期:2020-10-26 出版日期:2022-08-10 发布日期:2022-08-25
通讯作者: 顾会战（1978-）,男,河南开封人,高级农艺师,硕士,主要从事烟草栽培的研究工作,（电话）0839-3226091（电子信箱）guhizhan2001@163.com。
作者简介:张启莉（1986-） ,女,四川广元人,农艺师,硕士,主要从事烟草栽培的研究工作,（电话）0839-3226091（电子信箱）497881500@qq.com
基金资助:
四川省烟草公司广元市公司项目“广元市土壤保育科技示范园区建设” （202051080024062）; 中国烟草总公司四川省公司重点科技项目“植烟土壤质量提升关键技术研究与集成应用”（SCYC201504）

Dynamic changes of soil nitrogen under tobacco-rape rotation and balanced fertilization

ZHANG Qi-li¹, XIAO Ling², LI Tao², MA Wei², HE Ji-xian¹, GU Hui-zhan¹

1. Guangyuan City Branch of Sichuan Tobacco Company, Guangyuan 628000, Sichuan, China;
2. College of Resources, Sichuan Agricultural University, Chengdu 611130, China

Received:2020-10-26 Online:2022-08-10 Published:2022-08-25

摘要/Abstract

摘要： 为探究烤烟油菜轮作及平衡施肥下土壤氮素的动态变化,采用双因素裂区设计,测定主因素（冬闲、重蓉油1号、德油早1号和GSX-1）和副因素（常规施肥、减施氮肥和增施磷肥）下作物生长周期内土壤碱解氮和铵态氮的变化情况。结果表明,烤烟油菜轮作可不同程度提高土壤碱解氮和铵态氮含量,且在油菜移栽初期（30 d）提升效果最明显。随着油菜生育期的推进,轮作对土壤氮含量的提升效果急剧减弱,整体表现为：重蓉油1号>德油早1号>GSX-1>冬闲。在烤烟整个生育期内,除个别处理外,其他处理土壤碱解氮和铵态氮含量均有所下降,降幅分别为8.65%~64.26%、5.41%~77.51%。在所有主副因素处理下,土壤氮含量以增施磷肥处理最高。综上,重蓉油1号油菜与烤烟轮作和增施磷肥时土壤氮含量较高,是当地最优的种植模式。

关键词: 烤烟油菜轮作, 平衡施肥, 碱解氮, 铵态氮

Abstract: In order to explore the dynamic changes of soil nitrogen under tobacco-rape rotation and balanced fertilization, a two-factor complete design, which included the main factors （winter fallow, Chongrongyou 1, Deyouzao 1 and GSX-1） and by-factors （conventional fertilization, nitrogen reduction and phosphorus increase）, was adopted to analyze contents of soil alkali hydrolyzed nitrogen and ammonium nitrogen in rape and tobacco seasons. The results showed that tobacco-rape rotation could increase the contents of soil alkali hydrolyzed nitrogen and ammonium nitrogen in different degrees, and the effect was most significant in the early stage of rape transplanting （30 d）. With the development of rape growth period, the effect of rotation on soil nitrogen content decreased sharply, and the overall performance was as follows： Chongrongyou 1>Deyouzao 1>GSX-1>winter fallow. During the whole growth period of tobacco, except for some treatments, the contents of alkali hydrolyzed nitrogen and ammonium nitrogen in other soils decreased by 8.65%~64.26% and 5.41%~77.51%, respectively. Under all the main treatments, soil nitrogen content was the highest in the phosphorus increase. In conclusion, the nitrogen content was relatively high when Chongrongyou 1 rape combined with tobacco rotation and phosphorus increase, which was a good local cropping system.

Key words: tobacco-rape rotation, balanced fertilization, alkali hydrolyzed nitrogen, ammonium nitrogen

中图分类号:

S158.3

张启莉, 肖玲, 李涛, 马薇, 何佶弦, 顾会战. 烤烟油菜轮作及平衡施肥下土壤氮素动态变化研究[J]. 湖北农业科学, 2022, 61(15): 98-102.

ZHANG Qi-li, XIAO Ling, LI Tao, MA Wei, HE Ji-xian, GU Hui-zhan. Dynamic changes of soil nitrogen under tobacco-rape rotation and balanced fertilization[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(15): 98-102.

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烤烟油菜轮作及平衡施肥下土壤氮素动态变化研究

Dynamic changes of soil nitrogen under tobacco-rape rotation and balanced fertilization

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