[1]王嘉祺,庞春花,张永清,等.磷石膏与氮肥配施对盐碱地土壤及藜麦生长生理的影响[J].江苏农业科学,2025,53(18):264-269.
 Wang Jiaqi,et al.Effects of combined application of phosphogypsum and nitrogen fertilizer on saline soil and growth physiology of quinoa[J].Jiangsu Agricultural Sciences,2025,53(18):264-269.
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磷石膏与氮肥配施对盐碱地土壤及藜麦生长生理的影响()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第53卷
期数:
2025年第18期
页码:
264-269
栏目:
盐碱胁迫
出版日期:
2025-09-20

文章信息/Info

Title:
Effects of combined application of phosphogypsum and nitrogen fertilizer on saline soil and growth physiology of quinoa
作者:
王嘉祺1庞春花1张永清12毋悦悦1侯钰晨1闫晶蓉1乔曼1
1.山西师范大学生命科学学院,山西太原 030031; 2.山西师范大学地理科学学院,山西太原 030031
Author(s):
Wang Jiaqiet al
关键词:
磷石膏氮肥盐碱地藜麦产量生理特性
Keywords:
-
分类号:
S156.4;S512.906
DOI:
-
文献标志码:
A
摘要:
为明确磷石膏与氮肥配施对盐碱土的改良效果及对藜麦生长生理和产量的影响,以陇藜1号为研究对象,于2023年在山西师范大学遮雨棚进行盆栽土培试验。磷石膏用量设置3个梯度:2 g/kg(PG1)、10 g/kg(PG2)、18 g/kg(PG3),氮肥设置3个梯度:0.06 g/kg(N1)、0.13 g/kg(N2)、0.20 g/kg(N3),以氮肥、磷石膏均不施为对照(CK)。结果表明:(1)相同氮肥水平下,随着磷石膏施用量增加,土壤pH值呈下降趋势,电导率和全盐量呈上升趋势。(2)相同磷石膏用量下,与CK相比,藜麦叶片叶绿素含量,超氧化物歧化酶(SOD)活性、过氧化物酶(POD)活性均随氮肥用量增加呈先升后降的趋势,PG2N2处理下处于最大值;藜麦叶片的丙二醛(MDA)含量呈先减后增的趋势,PG2N2处理下处于最小值;表明PG2N2处理有利于促进藜麦的光合作用,增强抗氧化酶活性。(3)在PG2N2处理下,藜麦的顶穗小穗数、有效分枝数、千粒重均最优;随着磷石膏和氮肥的过量施用,藜麦的生长受到抑制。综合分析土壤指标及藜麦的生长指标、产量指标,适宜的磷石膏和氮肥施用量可改善土壤理化性质,降低盐害,增强藜麦光合作用,提高其抗氧化能力,促进其生长并提高产量,在PG2N2(即磷石膏施用量为10 g/kg、氮肥施用量为0.13 g/kg)处理下效果最佳。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2024-09-09
基金项目:山西省研究生创新项目(编号:2023KY471)。
作者简介:王嘉祺(1999—),女,山西大同人,硕士研究生,主要从事植物生理生态方面的研究。E-mail:wjq9963@163.com。
通信作者:庞春花,硕士,教授,主要从事植物生理生态方面的研究。E-mail:pangch6269@126.com。
更新日期/Last Update: 2025-09-20