浙江农业学报 ›› 2025, Vol. 37 ›› Issue (12): 2574-2582.DOI: 10.3969/j.issn.1004-1524.20240958

• 环境科学 • 上一篇    下一篇

凹凸棒石基调理剂用量对沙化土壤改良及朝天椒生长的影响

刘亚亚1(), 王勤礼1,2,*(), 颉建明1, 邓浩亮2, 金永生3, 熊鹰3, 刘海娜2   

  1. 1.甘肃农业大学 园艺学院,甘肃 兰州 730070
    2.河西学院 甘肃省食用菌菌糠资源化利用工程研究中心,甘肃 张掖 734000
    3.临泽县奋君矿业有限公司,甘肃 临泽 734200
  • 收稿日期:2024-11-08 出版日期:2025-12-25 发布日期:2026-01-09
  • 作者简介:*王勤礼,E-mail:Wangqinli66@163.com
    刘亚亚(1997—),女,甘肃静宁人,硕士研究生,研究方向为沙化土壤调理剂应用。E-mail:2567598207@qq.com
  • 通讯作者: 王勤礼
  • 基金资助:
    甘肃省教育厅产业支撑计划(2021CYZC-43);甘肃省教育厅产业支撑计划(2022年临泽县重大技术攻关揭榜挂帅制项目);2022年张掖市科技计划(ZY2022KY02)

Effects of application rate of attapulgite-based conditioner on improvement of desertified soil and growth of Capsicum annuum var. conoides

LIU Yaya1(), WANG Qinli1,2,*(), XIE Jianming1, DENG Haoliang2, JIN Yongsheng3, XIONG Ying3, LIU Haina2   

  1. 1. College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China
    2. Gansu Provincial Engineering Research Center for Resource Utilization of Edible Fungus Residue, Hexi University, Zhangye 734000, Gansu, China
    3. Linze County Fenjun Mining Co., Ltd., Linze 734200, Gansu, China
  • Received:2024-11-08 Online:2025-12-25 Published:2026-01-09
  • Contact: WANG Qinli

摘要: 为探究不同用量(CK,0;T1,1 800 kg·hm-2;T2,2 400 kg·hm-2;T3,3 000 kg·hm-2;T4,3 600 kg·hm-2)的凹凸棒石基调理剂在沙化土壤改良中的作用,明确其在朝天椒种植中的适宜用量,以甘肃省张掖市临泽县沙化土壤为研究对象,开展大田试验。结果表明,施用适宜用量的凹凸棒石基调理剂能显著(p<0.05)提高土壤的有机质、碱解氮、有效磷和速效钾含量,降低土壤容重和水溶性盐含量,增加土壤的总孔隙度和水溶性大团聚体(粒径>0.25 mm)质量分数,提高朝天椒的株高、产量及果实中的维生素C(VC)含量。基于对土壤理化性状和朝天椒生长、品质、产量指标的综合评价,T3处理的效果最好。该处理下,土壤有机质、碱解氮、有效磷、速效钾含量分别较CK显著增加140.6%、146.0%、371.6%、224.4%,土壤总孔隙度显著提高9.00百分点,朝天椒株高显著增加143.8%,产量显著提高45.0%,果实VC含量显著提高24.6%,既能有效改良沙化土壤,又能提高朝天椒的产量与质量,具有较大的应用潜力。

关键词: 凹凸棒石基调理剂, 沙化土, 土壤理化性质, 朝天椒

Abstract:

To explore the role of different application rates (CK, 0; T1, 1 800 kg·hm-2; T2, 2 400 kg·hm-2; T3, 3 000 kg·hm-2; T4, 3 600 kg·hm-2) of attapulgite-based conditioner on improvement of desertified soil and growth of pod pepper (Capsicum annuum var. conoides), and to determine the optimal application rate, a field experiment was conducted in the desertified soil in Linze County, Zhangye City, Gansu Province, China. It was shown that the proper rate of attapulgite-based conditioner could significantly (p<0.05) enhance the content of soil organic matter (OM), alkali-hydrolyzable nitrogen (AN), available phosphorus (AP) and available potassium (AK), decrease the soil bulk density and water-soluble salt content, increase the total porosity and mass fraction of water stable macroaggregates (particle size above 0.25 mm), and elevate the plant height, yield and vitamin C (VC) content of pod pepper. Based on the comprehensive evaluation of soil physiochemical properties and growth, quality and yield traits of pod pepper, T3 treatment showed the best performance. Under this application rate, the contents of soil OM, AN, AP, AK were significantly increased by 140.6%, 146.0%, 371.6%, 224.4%, respectively, and the total porosity of soil was significantly increased by 9.00 percentage points, the plant height, yield and VC content of pod pepper were significantly increased by 143.8%, 45.0%, 24.6%, respectively. In general, application of 3 000 kg·hm-2 attapulgite-based conditioner could both improve the fertility of desertified soil and the yield and qualtiy of pod pepper, showing promising application potential.

Key words: attapulgite-based conditioner, desertified soil, soil physiochemical property, Capsicum annuum var. conoides

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