新疆农业科学 ›› 2021, Vol. 58 ›› Issue (7): 1217-1224.DOI: 10.6048/j.issn.1001-4330.2021.07.005

• 作物遗传育种·种质资源·分子遗传学·耕作栽培·生理生化 • 上一篇    下一篇

马铃薯生物炭对土壤水分入渗及蒸发的影响

马贵1,2, 韩新宁1,2, 赵文霞1,2, 曹江平1,2, 刘婷1, 杨宏斌1   

  1. 1.宁夏师范学院化学化工学院,宁夏固原 756000;
    2.宁夏师范学院六盘山资源工程技术研究中心,宁夏固原 756000
  • 收稿日期:2020-06-01 发布日期:2021-07-27
  • 作者简介:马贵(1982-),男,高级实验师,硕士,研究方向为土壤重金属污染与评价,(E-mail)nxsfxymg@163.com
  • 基金资助:
    国家自然科学基金(21561027);固原市科技计划(2019GKGY037);宁夏高等学校一流学科建设项目(NXYLXK2017B11);宁夏师范学院六盘山资源工程技术研究中心项目(HG20-12);宁夏回族自治区大学生创新创业训练计划(2019QJDC04);宁夏师范学院大学生创新创业训练计划(2019NSDC003)

Effects of Potato Straw Biochar on Soil Water Infiltration and Evaporation

MA Gui1,2, HAN Xinning1,2, ZHAO Wenxia1,2, CAO Jiangping1,2, LIU Ting1, YANG Hongbin1   

  1. 1. College of Chemistry and Chemical Engineering, Ningxia Normal University, Guyuan Ningxia 756000, China;
    2. Liupanshan Resource Engineering Technology Research Center, Ningxia Normal University, Guyuan Ningxia 756000, China
  • Received:2020-06-01 Online:2021-07-27
  • Supported by:
    Project of National Natural Science Foundation of China (21561027); the Science and Technology Project of Guyuan (2019GKGY037); the First-Class Discipline Construction Project in Ningxia University (NXYLXK2017B11); the Project of Liupanshan Resource Engineering Technology Research Center of Ningxia Normal University (HG20-12); Innovation and entrepreneurship training program for college students in Ningxia Hui Autonomous Region (2019QJDC04); Ningxia Normal University College Students Innovation and Entrepreneurship Training Program Project ( 2019NSDC003)

摘要: 【目的】研究施加马铃薯生物炭对宁南山区土壤水分运移和氮素的影响。【方法】采用室内土柱模拟试验,研究不同马铃薯生物炭添加量(0、1%、2%、3%、5%、6%)对宁南山区典型土壤(山地草甸土、黑垆土)水分入渗、蒸发特性及硝态氮淋溶的影响规律及差异。【结果】山地草甸土的入渗湿润峰进程和累积入渗量随生物炭添加量的增加逐渐降低,黑垆土呈现先增加后递减的趋势;Philip入渗模型适合山地草甸土的水分入渗过程,Kostiakov模型适合黑垆土的水分入渗过程;生物炭显著降低了2种土壤的累积蒸发量,土壤蒸发量和蒸发时间复合幂函数关系;2种土壤硝态氮(NO-3-N)淋溶损失质量减少幅度均随着生物炭添加量增加呈现先增加再减小后加强的趋势,且均在1%添加量时减幅最小,6%时减幅最大。【结论】施加马铃薯生物炭能提高宁南山区土壤持水能力,减小土壤硝态氮损失。

关键词: 马铃薯生物炭; 土壤; 水分; 入渗; 宁南山区

Abstract: 【Objective】 The purpose of this study is to investigate the effect of biochar on soil water transport and nitrogen in the mountainous area of southern Ningxia.【Methods】 Soil columns experiment was used to investigate the effects of potato straw biochar on typical soil water infiltration process, evaporation characteristics and nitrate leaching in southern Ningxia Mountains. There were six treatments with different active contents of carbon:0, 1%, 2%, 3%, 5% and 6%.【Results】 The migration rate of wetting front and cumulative infiltration amount of mountain meadow soil was decreased after the biochar addition, dark loessial soil increased to a certain degree and then declined. Philip infiltration model was suiTable for the simulation of mountain meadow soil water infiltration process under biochar treatments, Kostiakov infiltration model was suiTable for the simulation of dark loessial soil water infiltration process under biochar treatments. During the successive evaporation of 33 days, biochar addition had significant effects on the cumulative evaporation in mountain meadow soil and dark loessial soil, there were extremely significant power function relationships between the cumulative evaporation and time under different rates of biochar treatments; The loss of nitrate nitrogen (NO-3-N) in the two soils showed a trend of first increasing, then decreasing and then strengthening with the increase of biochar addition, and the decrease was the smallest at 1% and the largest at 6%.【Conclusion】 The application of potato biochar can improve the soil water holding capacity and reduce the loss of nitrate nitrogen.

Key words: potato straw biochar; soil; water; infiltration; mountain area of southern Ningxia

中图分类号: 


ISSN 1001-4330 CN 65-1097/S
邮发代号:58-18
国外代号:BM3342
主管:新疆农业科学院
主办:新疆农业科学院 新疆农业大学 新疆农学会

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