不同低分子量有机酸对煤矸石养分释放的影响作用
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摘要
为弄清低分子量有机酸在煤矸石风化物养分释放中的作用,通过在煤矸石风化物中添加不同种类、不同浓度的低分子量有机酸(苹果酸、柠檬酸、草酸),分析培养7 d、30 d及60 d后煤矸石p H值、碱解氮、速效磷、速效钾含量的变化及差异。结果表明:与对照相比,柠檬酸和苹果酸处理后的煤矸石p H值降低,而添加草酸对煤矸石的p H值具有提升的作用;苹果酸和柠檬酸对煤矸石碱解氮具有一定的释放作用,而草酸具有抑制作用;苹果酸和柠檬酸处理后的煤矸石速效钾含量呈现出下降趋势,草酸与之相反;在速效磷方面,供试有机酸均提高了煤矸石的速效磷含量。随着低分子量有机酸浓度的提高和培养时间的延长,柠檬酸和苹果酸处理后的煤矸石p H值基本表现为下降趋势,草酸则相反。随着实验周期的增加,煤矸石的碱解氮和速效磷含量都呈现出上升的规律,仅有速效钾呈现出下降的趋势。伴随浓度的升高,施入柠檬酸和苹果酸的煤矸石碱解氮组分基本保持下降的态势,草酸与之相反;三类酸处理后的煤矸石速效钾和速效磷含量并未随着有机酸浓度的升高表现出明显的规律性,说明有机酸浓度对煤矸石速效钾和速效磷组分的固定和释放影响不大。
In order to understand the active regularity of low molecular weight organic acids on coal gangue nutrient,different kinds and different concentrations of low molecular weight organic acid( malic acid,citric acid,oxalic acid) are added to the unweathered coal gangue,to analyze the changes and differences of p H,available nitrogen,available phosphorus and available potassium after 7 d,30 d,60 d. The result shows: compared with the control,adding citric acid and malic acid can reduce p H value of coal gangue,while adding oxalic acid can enhance the p H value of coal gangue; malic acid and citric acid have a certain release effect on the available nitrogen of coal gangue,but oxalic acid has inhibitory effect; After the treatment of malic acid and citric acid,the content of available K of gangue decreased,oxalic acid was opposite. In the aspect of available phosphorus,organic acids all increased the content of available phosphorus in coal gangue. With the increase of the concentration of low molecular weight organic acids and the prolongation of culture time,the p H value of the coal gangue treated with citric acid and malic acid basically decreased,while oxalic acid was opposite. With the increase of experimental period,the content of available nitrogen and available phosphorus of coal gangue showed an upward trend,but only the available potassium showed a downward trend. Along with the increasing concentration of low molecular weight organic acids,application of citric acid and malic acid makes the available nitrogen content of coal gangue is basically a downward trend. Adding citric acid and malic acid makes the available nitrogen content of coal gangue is basically in decline,oxalic acid showed an opposite trend. Coal gangue available potassium and available phosphorus content of organic acid concentration increased with no obvious regularity,it shows a little effect of fixation and release of organic acid concentration on coal gangue available potassium and phosphorus fractions.
In order to understand the active regularity of low molecular weight organic acids on coal gangue nutrient,different kinds and different concentrations of low molecular weight organic acid( malic acid,citric acid,oxalic acid) are added to the unweathered coal gangue,to analyze the changes and differences of p H,available nitrogen,available phosphorus and available potassium after 7 d,30 d,60 d. The result shows: compared with the control,adding citric acid and malic acid can reduce p H value of coal gangue,while adding oxalic acid can enhance the p H value of coal gangue; malic acid and citric acid have a certain release effect on the available nitrogen of coal gangue,but oxalic acid has inhibitory effect; After the treatment of malic acid and citric acid,the content of available K of gangue decreased,oxalic acid was opposite. In the aspect of available phosphorus,organic acids all increased the content of available phosphorus in coal gangue. With the increase of the concentration of low molecular weight organic acids and the prolongation of culture time,the p H value of the coal gangue treated with citric acid and malic acid basically decreased,while oxalic acid was opposite. With the increase of experimental period,the content of available nitrogen and available phosphorus of coal gangue showed an upward trend,but only the available potassium showed a downward trend. Along with the increasing concentration of low molecular weight organic acids,application of citric acid and malic acid makes the available nitrogen content of coal gangue is basically a downward trend. Adding citric acid and malic acid makes the available nitrogen content of coal gangue is basically in decline,oxalic acid showed an opposite trend. Coal gangue available potassium and available phosphorus content of organic acid concentration increased with no obvious regularity,it shows a little effect of fixation and release of organic acid concentration on coal gangue available potassium and phosphorus fractions.
引文
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[10]张静雯,张洪江,张成梁,等.煤矸石山坡面土壤营养元素状况分析[J].东北农业科学,2013,38(2):000057-67.Zhang Jingwen,Zhang Hongjiang,Zhang Chengliang,et al.Analysis of nutrient element of surface soil on coal gangue slope[J].Journal of Northeast Agricultural Sciences,2013,38(2):000057-67.
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[12]郑彬.煤矸石自然风化进程中风化物理化性质变化研究—以阜新矿区为例[D].呼和浩特:内蒙古农业大学,2009.Zheng Bin.Study on Weathering Material Physical and Chemical Property Changes of Gangue Pile in Natural Weathering Process-a Case Study in Fuxin Mining Area[D].Huhehaote:Inner Mongolia Agricultural University,2009.
[13]黄建凤,吴昊.植物根系分泌的有机酸及其作用[J].现代农业科技,2008(20):323-324.Huang Jianfeng,Wu Hao.Organic acids secreted by plant roots and their action[J].Modern Agricultural Science and Technology,2008(20):323-324.
[14]Onireti O O,Lin C,Qin J.Combined effects of low-molecularweight organic acids on mobilization of arsenic and lead from multi-contaminated soils[J].Chemosphere,2017,170:161-168.
[15]Liu G,Chen L,Jiang Z,et al.Aging impacts of low molecular weight organic acids(LMWOAs)on furfural production residuederived biochars:Porosity,functional properties,and inorganic minerals[J].Science of the Total Environment,2017,607-608:1428-1436.
[16]余健,俞元春,房莉,等.有机酸对森林土壤p H及铝形态变化的影响[J].福建林学院学报,2005,25(3):243-246.Yu Jian,Yu Yuanchun,Fang Li,et al.Effects of low molecular weight organic acids on the p H and the form of aluminum of forest soils[J].Journal of Forest and Environment,2005,25(3):243-246.
[17]宋发仁,尹文波,兰李梅.不同浓度草酸对土壤中Cu、Cd形态的影响[J].资源节约与环保,2016(11):182.Song Faren,Yin Wenbo,Lan Limei.Effects of oxalic acid with different concentrations on the forms of Cu and Cd in soil[J].Resources Economization&Environmental Protection,2016(11):182.
[18]张根柱.外源柠檬酸对塿土养分、酶活性及微生物活性的影响[D].咸阳:西北农林科技大学,2011.Zhang Genzhu.Effect of Citric Acid on Lou Soil Nutrients,Enzyme Activity and Microbial Activity[D].Xianyang:Northwest Agricultural&Forest University,2011.
[19]丛日环.水分状况及低分子量有机酸对红壤和黄褐土钾素形态转化的影响[D].武汉:华中农业大学,2008.Cong Rihuan.Effects of Water Status and Low Molecular Weight Organic Acids on the Transformation of Potassium Forms in Red Soil and Yellow Cinnamon Soil[D].Wuhan:Huazhong Agricultural University,2008.
[20]陈凯,马敬,曹一平,等.磷亏缺下不同植物根系有机酸的分泌[J].中国农业大学学报,1999,4(3):58-62.Chen Kai,Ma Jing,Cao Yiping,et al.Exudation of organic acids by the roots of different plants species under phosphorus deficiency[J].Journal of China Agricultural University,1999,4(3):58-62.
[21]房福力,李玉中,李巧珍,等.柠檬酸与土壤磷相互作用的研究进展[J].中国农学通报,2012,28(18):26-30.Fang Fuli,Li Yuzhong,Li Qiaozhen,et al.Research progress of interaction between citric acid and soil phosphorus[J].Chinese Agricultural Science Bulletin,2012,28(18):26-30.
[22]刘丽,梁成华,王琦,等.低分子量有机酸对土壤磷活化影响的研究[J].植物营养与肥料学报,2009,15(3):593-600.Liu Li,Liang Chenghua,Wang Qi,et al.Effects of low-molecularweight organic acids on soil phosphorus release[J].Journal of Plant Nutrition and Fertilizer,2009,15(3):593-600.
[23]杨绍琼,党廷辉,戚瑞生,等.低分子量有机酸对石灰性土壤有机磷组成及有效性的影响[J].水土保持学报,2012,26(4):167-171.Yang Shaoqiong,Dang Tinghui,Qi Ruisheng,et al.Effect of low molecular weight organic acids on organic phosphorus fraction and availability in calcareous soil[J].Journal of Soil and Water Conservation,2012,26(4):167-171.
[2]Wang Y,Whalen J K,Chen X,et al.Mechanisms for altering phosphorus sorption characteristics induced by low mocecular weight organic acids[J].Canadian Journal of Soil Science,2016,96:289-298.
[3]孔涛,伏虹旭,吕刚,等.低分子量有机酸对滨海盐碱土壤磷的活化作用[J].环境化学,2016,35(7):1526-1531.Kong Tao,Fu Hongxu,Lu Gang,et al.Enhanced release of phosphorus from coastal saline alkaline soil induced by low mocecular weight organic acids[J].Environmental Chemistry,2016,35(7):1526-1531.
[4]张大庚,栗杰,刘慧,等.外源低分子量有机酸和磷肥与土壤钙素的相互作用研究[J].北方园艺,2015(15):161-165.Zhang Dageng,Li Jie,Liu Hui,et al.Study on the interation of extraneous low-moecular-weight organic acids,phosphorus and calcium in soil[J].Northern Horticulture,2015(15):161-165.
[5]VítkováM,Komárek M,Tejnecky V,et al.Interactions of nano-oxides with low-molecular-weight organic acids in a contaminated soil[J].Journal of Hazardous Materials,2015,293:7-14.
[6]Rocha A C S,Almeida C M R,Basto M C P,et al.Marsh plant response to metals:Exudation of aliphatic low molecular weight organic acids(ALMWOAs)[J].Estuarine Coastal&Shelf Science,2016,171:77-84.
[7]何沅洁,刘江,江韬,等.模拟三峡库区消落带优势植物根系低分子量有机酸对土壤中铅的解吸动力学[J].环境科学,2017,38(2):600-607.He Yuanjie,Liu Jiang,Jiang Tao,et al.Simulated desorption kinetics of lead by the dominant plant roots relersed low molecular weight organic acids from the water-level-fluctuatig zone in the three gorges reservoir[J].Environmental Science,2017,38(2):600-607.
[8]Jia H,Chen H,Nulaji G,et al.Effect of low-molecular-weight organic acids on photo-degradation of phenanthrene catalyzed by Fe(III)-smectite under visible light[J].Chemosphere,2015,138(11):266-271.
[9]潘声旺,袁馨,刘灿,等.苯并[α]芘对不同修复潜力羊茅属植物的根系分泌物中几种低分子量有机物的影响[J].植物生态学报,2016,40(6):604-614.Pan Shengwang,Yuan Xin,Liu Can,et al.Effects of benzo[α]pyrene on the organic compounds of low molecular weight excreted by root systems in five festuca species with different remediation potentials[J].Chinese Journal of Plant Ecology,2016,40(6):604-614.
[10]张静雯,张洪江,张成梁,等.煤矸石山坡面土壤营养元素状况分析[J].东北农业科学,2013,38(2):000057-67.Zhang Jingwen,Zhang Hongjiang,Zhang Chengliang,et al.Analysis of nutrient element of surface soil on coal gangue slope[J].Journal of Northeast Agricultural Sciences,2013,38(2):000057-67.
[11]蔡毅,严家平,陈孝杨,等.表生作用下煤矸石风化特征研究——以淮南矿区为例[J].中国矿业大学学报,2015,44(5):937-943.Cai Yi,Yan Jiaping,Chen Xiaoyang,et al.Weathering characteristics of coal gangue in hypergenesis:a case study on Huainan coal mining area[J].Journal of China University of Mining&Technology,2015,44(5):937-943.
[12]郑彬.煤矸石自然风化进程中风化物理化性质变化研究—以阜新矿区为例[D].呼和浩特:内蒙古农业大学,2009.Zheng Bin.Study on Weathering Material Physical and Chemical Property Changes of Gangue Pile in Natural Weathering Process-a Case Study in Fuxin Mining Area[D].Huhehaote:Inner Mongolia Agricultural University,2009.
[13]黄建凤,吴昊.植物根系分泌的有机酸及其作用[J].现代农业科技,2008(20):323-324.Huang Jianfeng,Wu Hao.Organic acids secreted by plant roots and their action[J].Modern Agricultural Science and Technology,2008(20):323-324.
[14]Onireti O O,Lin C,Qin J.Combined effects of low-molecularweight organic acids on mobilization of arsenic and lead from multi-contaminated soils[J].Chemosphere,2017,170:161-168.
[15]Liu G,Chen L,Jiang Z,et al.Aging impacts of low molecular weight organic acids(LMWOAs)on furfural production residuederived biochars:Porosity,functional properties,and inorganic minerals[J].Science of the Total Environment,2017,607-608:1428-1436.
[16]余健,俞元春,房莉,等.有机酸对森林土壤p H及铝形态变化的影响[J].福建林学院学报,2005,25(3):243-246.Yu Jian,Yu Yuanchun,Fang Li,et al.Effects of low molecular weight organic acids on the p H and the form of aluminum of forest soils[J].Journal of Forest and Environment,2005,25(3):243-246.
[17]宋发仁,尹文波,兰李梅.不同浓度草酸对土壤中Cu、Cd形态的影响[J].资源节约与环保,2016(11):182.Song Faren,Yin Wenbo,Lan Limei.Effects of oxalic acid with different concentrations on the forms of Cu and Cd in soil[J].Resources Economization&Environmental Protection,2016(11):182.
[18]张根柱.外源柠檬酸对塿土养分、酶活性及微生物活性的影响[D].咸阳:西北农林科技大学,2011.Zhang Genzhu.Effect of Citric Acid on Lou Soil Nutrients,Enzyme Activity and Microbial Activity[D].Xianyang:Northwest Agricultural&Forest University,2011.
[19]丛日环.水分状况及低分子量有机酸对红壤和黄褐土钾素形态转化的影响[D].武汉:华中农业大学,2008.Cong Rihuan.Effects of Water Status and Low Molecular Weight Organic Acids on the Transformation of Potassium Forms in Red Soil and Yellow Cinnamon Soil[D].Wuhan:Huazhong Agricultural University,2008.
[20]陈凯,马敬,曹一平,等.磷亏缺下不同植物根系有机酸的分泌[J].中国农业大学学报,1999,4(3):58-62.Chen Kai,Ma Jing,Cao Yiping,et al.Exudation of organic acids by the roots of different plants species under phosphorus deficiency[J].Journal of China Agricultural University,1999,4(3):58-62.
[21]房福力,李玉中,李巧珍,等.柠檬酸与土壤磷相互作用的研究进展[J].中国农学通报,2012,28(18):26-30.Fang Fuli,Li Yuzhong,Li Qiaozhen,et al.Research progress of interaction between citric acid and soil phosphorus[J].Chinese Agricultural Science Bulletin,2012,28(18):26-30.
[22]刘丽,梁成华,王琦,等.低分子量有机酸对土壤磷活化影响的研究[J].植物营养与肥料学报,2009,15(3):593-600.Liu Li,Liang Chenghua,Wang Qi,et al.Effects of low-molecularweight organic acids on soil phosphorus release[J].Journal of Plant Nutrition and Fertilizer,2009,15(3):593-600.
[23]杨绍琼,党廷辉,戚瑞生,等.低分子量有机酸对石灰性土壤有机磷组成及有效性的影响[J].水土保持学报,2012,26(4):167-171.Yang Shaoqiong,Dang Tinghui,Qi Ruisheng,et al.Effect of low molecular weight organic acids on organic phosphorus fraction and availability in calcareous soil[J].Journal of Soil and Water Conservation,2012,26(4):167-171.