生物质炭对新建花椒园酸性土壤的降酸效果研究
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摘要
以新建花椒园的酸性土壤为供试土壤,进行为期60d的盆培养试验,研究施用不同秸秆生物质炭对酸性土壤的降酸效果。结果表明:在酸性土壤中施用生物质炭能显著提高其pH,且生物质炭的施用量越大,pH提升效果越明显。水稻、玉米和油菜秸秆3种生物质炭中,pH提升效果依次为油菜秸秆炭>玉米秸秆炭>水稻秸秆炭,平均增幅分别为7.03%、9.23%和12.24%。
The study on the acid reducing effect of the modifier applied to the acid soil of pepper garden was carried out to provide a basis for improving soil pH and promote its growth.In this study,acid soil was used as the test soil in the newly built zanthoxylum bungeanum garden,we studied the acid reducing effect of different straw biochars on acid soilfor a 60-day basin culture experiment.The results showed that the biocharwas added to acidic soil could significantly increase its pH value,and the higher the application amount of biochar,the more obvious the effect of pH increase.Among the three types of biochar,the increase of pH valuefrom large to small was rape straw biochar> corn straw biochar> rice straw biochar,with an average increase of 7.03%,9.23% and 12.24%,respectively.
The study on the acid reducing effect of the modifier applied to the acid soil of pepper garden was carried out to provide a basis for improving soil pH and promote its growth.In this study,acid soil was used as the test soil in the newly built zanthoxylum bungeanum garden,we studied the acid reducing effect of different straw biochars on acid soilfor a 60-day basin culture experiment.The results showed that the biocharwas added to acidic soil could significantly increase its pH value,and the higher the application amount of biochar,the more obvious the effect of pH increase.Among the three types of biochar,the increase of pH valuefrom large to small was rape straw biochar> corn straw biochar> rice straw biochar,with an average increase of 7.03%,9.23% and 12.24%,respectively.
引文
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[3]Li Lu,Yan Lin,Qiwei Chai,et al.Removal of acenaphthene by biochar and raw biomass with coexisting heavy metal and phenanthrene[J].Colloids and Surfaces A:Physicochemical and Engineering Aspects,2018,558-564.
[4]Hossain M K,Strezov V,Chan K Y,et al.Influence of pyrolysis temperature on production and nutrient properties of wastewater sludge biochar[J].Journal of Environmental Management,2011,92(1):223-228.
[5]Ye J,Zhang R,Nielsen S,et al.A combination of biochar-mineral complexes and compost improves soil bacterial processes,soil quality,and plant properties[J].Frontiera on Microbiology,2016,7:372-378.
[6]Yuan J H,Xu R K.The amelioration effects of low temperature biochar generated from nine crop residues on an acidic Ultisol[J].Soil Use and Management,2017,27(1):110-115.
[7]Barton S S,Evans M J B,Halliop E,et al.Acidic and basic site on the surface porous carbon[J].Carbon,2017,35(9):1364-1366.
[8]吴伟祥,孙雪,董达,等.生物质炭土壤环境效应[M].北京:科学出版社,2015.