נגישות
menu      
חיפוש מתקדם
תחביר
חפש...
הספר "אוצר וולקני"
אודות
תנאי שימוש
ניהול
קהילה:
אסיף מאגר המחקר החקלאי
פותח על ידי קלירמאש פתרונות בע"מ -
Short-term structure and functional changes in bacterial community composition following amendment with biosolids compost
Year:
2011
Source of publication :
Applied Soil Ecology
Authors :
אופק, מיה
;
.
מינץ, דרור
;
.
מנדלבאום, רפי
;
.
סיטרין, אדי
;
.
קאוטסקי, לריסה
;
.
Volume :
48
Co-Authors:
Cytryn, E., Institute of Soil, Water and Environmental Sciences, Agricultural Research Organization (ARO), The Volcani Research Center, P.O.B. 06, Bet-Dagan 50-250, Israel
Kautsky, L., Institute of Soil, Water and Environmental Sciences, Agricultural Research Organization (ARO), The Volcani Research Center, P.O.B. 06, Bet-Dagan 50-250, Israel
Ofek, M., Institute of Soil, Water and Environmental Sciences, Agricultural Research Organization (ARO), The Volcani Research Center, P.O.B. 06, Bet-Dagan 50-250, Israel
Mandelbaum, R.T., Institute of Soil, Water and Environmental Sciences, Agricultural Research Organization (ARO), The Volcani Research Center, P.O.B. 06, Bet-Dagan 50-250, Israel
Minz, D., Institute of Soil, Water and Environmental Sciences, Agricultural Research Organization (ARO), The Volcani Research Center, P.O.B. 06, Bet-Dagan 50-250, Israel
Facilitators :
From page:
160
To page:
167
(
Total pages:
8
)
Abstract:
Amendment of organic wastes and composts to soil is a common agricultural practice. The soil microbiota is responsible for the recycling and mineralization of these organic amendments and their activity affects soil structure and agricultural viability. In this study we assessed the short-term effects of compost amendment on bacterial community composition and activity in agricultural soil. Changes in biomass, respiration and enzymatic activity were correlated with bacterial community profiles, as determined by Denaturing Gradient Gel Electrophoresis (DGGE) of PCR-amplified 16S ribosomal RNA (rRNA) gene fragments and sequencing of relevant bands. Prior to wetting, the community profile of the compost amended soils was almost identical to that of the original compost, implying that the compost bacterial content was much higher than that of the soil. Nonetheless, wetting of compost-amended soils caused an immediate shift in the bacterial community profile resulting in a pattern similar to that of the original soil profile. Initially, in the first three days following wetting, the bacterial community profiles of the control and compost-amended soils were highly similar to each other. However, from day five to day 13, significant differences in the bacterial profiles developed between the control and compost-amended soils, indicating that the compost-related effect on the bacterial community is somewhat delayed. Compost-amended soils showed enhanced rates of nitrification, respiration, hydrolytic and metabolic activities relative to the control soils without compost. They were also characterized by proliferation of communities associated with the Bacteroidetes phylum, which may be explained by the involvement of this clade in the degradation of compost-derived complex organic substrates in the soil microcosms. © 2011 Elsevier B.V.
Note:
Related Files :
Bacteroidetes
Bacteroidetes phylum
community composition
Compost amendment
DGGE
Metabolic activity
עוד תגיות
תוכן קשור
More details
DOI :
10.1016/j.apsoil.2011.03.010
Article number:
0
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
30572
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:55
You may also be interested in
Scientific Publication
Short-term structure and functional changes in bacterial community composition following amendment with biosolids compost
48
Cytryn, E., Institute of Soil, Water and Environmental Sciences, Agricultural Research Organization (ARO), The Volcani Research Center, P.O.B. 06, Bet-Dagan 50-250, Israel
Kautsky, L., Institute of Soil, Water and Environmental Sciences, Agricultural Research Organization (ARO), The Volcani Research Center, P.O.B. 06, Bet-Dagan 50-250, Israel
Ofek, M., Institute of Soil, Water and Environmental Sciences, Agricultural Research Organization (ARO), The Volcani Research Center, P.O.B. 06, Bet-Dagan 50-250, Israel
Mandelbaum, R.T., Institute of Soil, Water and Environmental Sciences, Agricultural Research Organization (ARO), The Volcani Research Center, P.O.B. 06, Bet-Dagan 50-250, Israel
Minz, D., Institute of Soil, Water and Environmental Sciences, Agricultural Research Organization (ARO), The Volcani Research Center, P.O.B. 06, Bet-Dagan 50-250, Israel
Short-term structure and functional changes in bacterial community composition following amendment with biosolids compost
Amendment of organic wastes and composts to soil is a common agricultural practice. The soil microbiota is responsible for the recycling and mineralization of these organic amendments and their activity affects soil structure and agricultural viability. In this study we assessed the short-term effects of compost amendment on bacterial community composition and activity in agricultural soil. Changes in biomass, respiration and enzymatic activity were correlated with bacterial community profiles, as determined by Denaturing Gradient Gel Electrophoresis (DGGE) of PCR-amplified 16S ribosomal RNA (rRNA) gene fragments and sequencing of relevant bands. Prior to wetting, the community profile of the compost amended soils was almost identical to that of the original compost, implying that the compost bacterial content was much higher than that of the soil. Nonetheless, wetting of compost-amended soils caused an immediate shift in the bacterial community profile resulting in a pattern similar to that of the original soil profile. Initially, in the first three days following wetting, the bacterial community profiles of the control and compost-amended soils were highly similar to each other. However, from day five to day 13, significant differences in the bacterial profiles developed between the control and compost-amended soils, indicating that the compost-related effect on the bacterial community is somewhat delayed. Compost-amended soils showed enhanced rates of nitrification, respiration, hydrolytic and metabolic activities relative to the control soils without compost. They were also characterized by proliferation of communities associated with the Bacteroidetes phylum, which may be explained by the involvement of this clade in the degradation of compost-derived complex organic substrates in the soil microcosms. © 2011 Elsevier B.V.
Scientific Publication
You may also be interested in