Amelioration of an ultisol profile acidity using crop straws combined with alkaline slag
文献类型：期刊论文
| 作者 | Li, Jiu-yu1; Masud, M. M.1,2; Li, Zhong-yi1,2; Xu, Ren-kou1 |
| 刊名 | Environmental science and pollution research
 |
| 出版日期 | 2015-07-01 |
| 卷号 | 22期号:13页码:9965-9975 |
| 关键词 | Alkaline slag Canola straw Peanut straw Ph Exchangeable base cations Column leaching study |
| ISSN号 | 0944-1344 |
| DOI | 10.1007/s11356-015-4176-5 |
| 通讯作者 | Xu, ren-kou(rkxu@issas.ac.cn) |
| 英文摘要 | The acidity of ultisols (ph <5) is detrimental to crop production. technologies should be explored to promote base saturation and liming effect for amelioration of ultisol ph. column leaching experiments were conducted to investigate the amelioration effects of canola straw (cs) and peanut straw (ps) in single treatment and in combination whether with alkaline slag (as) or with lime on ultisol profile acidity. the treatment without liming materials was set as control, and the as and lime in single treatment are set for comparison. results indicated that all the liming materials increase soil profile ph and soil exchangeable base cations at the 0-40-cm depth, except that the lime had amelioration effect just on 0 to 15-cm profile. the amelioration effect of the liming materials on surface soil acidity was mainly dependent on the ash alkalinity in organic materials or acid neutralization capacity of inorganic materials. specific adsorption of sulfate (so42-) or organic anions, decarboxylation of organic acids/anions, and the association of h+ with organic anions induced a "liming effect" of crop residues and as on subsoil acidity. moreover, so42- and chloride (cl-) in ps, cs, and as primarily induced base cations to move downward to subsoil and exchange with exchangeable aluminum (al3+) and protons (h+). these anions also promoted the exchangeable al to leach out of the soil profile. the cs was more effective than ps in decreasing soil acidity in the subsoil, which mainly resulted from higher sulfur (s) and cl content in cs compared to ps. the cs combined with as was the better amendment choice in practical agricultural systems. |
| WOS关键词 | VARIABLE-CHARGE SOILS ; AGRICULTURAL BY-PRODUCTS ; SUBSOIL ACIDITY ; SURFACE APPLICATION ; CALCIUM-CARBONATE ; TROPICAL SOILS ; ORGANIC-ANIONS ; PLANT RESIDUES ; INITIAL PH ; GYPSUM |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS类目 | Environmental Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000356937900039 |
| 出版者 | SPRINGER HEIDELBERG |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2376417 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Xu, Ren-kou |
| 作者单位 | 1.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing, Jiangsu, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Jiu-yu,Masud, M. M.,Li, Zhong-yi,et al. Amelioration of an ultisol profile acidity using crop straws combined with alkaline slag[J]. Environmental science and pollution research,2015,22(13):9965-9975. |
| APA | Li, Jiu-yu,Masud, M. M.,Li, Zhong-yi,&Xu, Ren-kou.(2015).Amelioration of an ultisol profile acidity using crop straws combined with alkaline slag.Environmental science and pollution research,22(13),9965-9975. |
| MLA | Li, Jiu-yu,et al."Amelioration of an ultisol profile acidity using crop straws combined with alkaline slag".Environmental science and pollution research 22.13(2015):9965-9975. |
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来源：中国科学院大学
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