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| Web URL(s): | https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/122056
Last checked: 12/03/2019
Requires: JavaScript |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Hale, Lauren;
McGiffen, Milt;
Azeem, Muhammad |
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| Author Affiliation: | Hale: San Joaqin Agricultural Sciences Center, US Department of Agriculture, ARS, Parlier, CA; McGiffen: Botany and Plant Sciences, UC Riverside, Riverside, CA; Azeem: Department of Environment Sciences & Engineering College of Natural Resources and Environment, Northwest A&F University, Yangling, China |
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| Title: | Soil microbial community responses to deficit irrigation shift with organic amendments |
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| Section: | SSSA Division: Soil biology and biochemistry
Other records with the "SSSA Division: Soil biology and biochemistry" Section
Biostimulants, biouaugmentation and soil biological health oral
Other records with the "Biostimulants, biouaugmentation and soil biological health oral" Section
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| Meeting Info.: | San Antonio, Texas: November 10-13, 2019 |
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| Source: | ASA, CSSA and SSSA International Annual Meetings. 2019, p. 122056. |
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| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America] |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Biochar; Biosolids; Composts; Deficit irrigation; Microbiological soil analysis; Organic amendments; Phospholipid fatty acid; Soil amendments; Soil microorganisms; Soil water retention
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| Abstract/Contents: | "We evaluated turf soils amended with biochar, compost, and biosolids to reveal if and how microbial communities in these soils shift compositionally and functionally to influence soil water retention. Amended and control field plots were seeded with turfgrass and treated with full (80%) or reduced (50%) irrigation based on turf evapotranspiration demands. Samples were collected 4 years after organic amendments were applied, when the turf plots had received 3 years of seasonal irrigation treatments. Microbial communities were profiled using phospholipid fatty acid (PLFA) analysis and 16S rRNA gene sequencing. To evaluate microbial activity associated with improving plant growth conditions during soil drying we quantified soil extracellular polysaccharide (EPS) content and water stable aggregates. Results indicated variable impacts of the amendments, with the biosolid and compost treatments exhibiting the strongest influence on bacterial/archaeal community profiles and total soil biomass. Compost and biosolids also increased the quantity of water stable aggregates and EPS. Our findings insinuate the potential for organic amendments to shift microbial communities and their functions providing multifaceted impacts on soil water retention." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only!
"302-5" |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hale, L., M. McGiffen, and M. Azeem. 2019. Soil microbial community responses to deficit irrigation shift with organic amendments. Agron. Abr. p. 122056. |
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Last checked: 12/03/2019
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