干旱区生态环境知识资源中心(Arid): Polyacrylamide dissolved in low-quality water effects on structure stability of soils varying in texture and clay type

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DOI	10.1080/03650340.2020.1757658
	Polyacrylamide dissolved in low-quality water effects on structure stability of soils varying in texture and clay type
	Mamedov, Amrakh, I; Wagner, Larry E.; Tsunekawa, Atsushi; Fujimaki, Haruyuki; Tsubo, Mitsuru; Kobayashi, Motoyoshi; Norton, Lloyd D.; Levy, Guy J.
通讯作者	Mamedov, AI (corresponding author), Tottori Univ, Fac Agr, Arid Land Res Ctr, Tottori 6800001, Japan.
来源期刊	ARCHIVES OF AGRONOMY AND SOIL SCIENCE
ISSN	0365-0340
EISSN	1476-3567
出版年	2021
卷号	67 期号:6 页码:753-766
英文摘要	Efficacy of polyacrylamide (PAM), a water-soluble soil conditioner, prepared with poor-quality water (low salinity, higher sodicity) commonly available to farm managers, is unknown. We studied the effects of treating aggregates of four soils with predominant smectitic or kaolinitic clay mineralogy with PAM solution prepared with poor-quality water (low salinity and high sodicity). Impact of PAM on pore size distribution (PSD) and structure stability of the soils and the relations between the stability indices obtained were studied from water retention curves derived at low suction (0-50 hPa). The retention curves were characterized by a modified van Genuchten model that yields (i) the model parameters alpha and n and (ii) a soil structure index (SI). Applying PAM modified the water retention curve shape, mostly in the smectite soils, and increased alpha and improved SI up to 3.3 and 1.7 times in the smectitic and kaolinitic soils, respectively, relative to the control. An observed exponential relationship between soil SI and parameter alpha allowed predicting the effects of PAM addition on soil structure stability. The noted improvement in structure stability was comparable with results for conditions where PAM solution was prepared with good-quality water.
英文关键词	Aggregate-structure stability semi-arid and arid region clay mineralogy polyacrylamide (PAM) soil texture water quality
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000649558800002
WOS关键词	LONG-TERM IRRIGATION ; AGGREGATE STABILITY ; HYDRAULIC CONDUCTIVITY ; KAOLINITIC SOILS ; ENERGY ; SALINE ; INFILTRATION ; FLOCCULATION ; ADSORPTION ; RETENTION
WOS类目	Agronomy ; Soil Science
WOS研究方向	Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/349579
作者单位	[Mamedov, Amrakh, I; Tsunekawa, Atsushi; Fujimaki, Haruyuki; Tsubo, Mitsuru] Tottori Univ, Fac Agr, Arid Land Res Ctr, Tottori 6800001, Japan; [Wagner, Larry E.] USDA ARS, Ctr Agr Resources Res, Rangeland Resources & Syst Res Unit, Ft Collins, CO USA; [Kobayashi, Motoyoshi] Univ Tsukuba, Fac Life & Environm Sci, Tsukuba, Ibaraki, Japan; [Norton, Lloyd D.] Purdue Univ, Dept Agr & Biol Engn, W Lafayette, IN 47907 USA; [Levy, Guy J.] ARO, Inst Soil Water & Environm Sci, Volcani Ctr, Rishon Leziyyon, Israel
推荐引用方式 GB/T 7714	Mamedov, Amrakh, I,Wagner, Larry E.,Tsunekawa, Atsushi,et al. Polyacrylamide dissolved in low-quality water effects on structure stability of soils varying in texture and clay type[J],2021,67(6):753-766.
APA	Mamedov, Amrakh, I.,Wagner, Larry E..,Tsunekawa, Atsushi.,Fujimaki, Haruyuki.,Tsubo, Mitsuru.,...&Levy, Guy J..(2021).Polyacrylamide dissolved in low-quality water effects on structure stability of soils varying in texture and clay type.ARCHIVES OF AGRONOMY AND SOIL SCIENCE,67(6),753-766.
MLA	Mamedov, Amrakh, I,et al."Polyacrylamide dissolved in low-quality water effects on structure stability of soils varying in texture and clay type".ARCHIVES OF AGRONOMY AND SOIL SCIENCE 67.6(2021):753-766.