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פותח על ידי קלירמאש פתרונות בע"מ -
Annual spreading of olive mill wastewater over consecutive years: Effects on cultivated soils' physical properties
Year:
2018
Source of publication :
Land Degradation and Development
Authors :
איזנברג, חנן
;
.
דג, ארנון
;
.
לאור, יעל
;
.
לוי, גיא
;
.
מדינה, שלומית
;
.
סעדי, אברהים
;
.
ציפורי, יצחק
;
.
קרסנובסקי, ארקדי
;
.
רביב, מיכאל
;
.
Volume :
29
Co-Authors:
Facilitators :
From page:
176
To page:
187
(
Total pages:
12
)
Abstract:

Several studies cautioned against potential negative effects of controlled olive mill wastewater (OMW) application on soil physical properties that could be associated with the possible adverse effects of K on soil structure stability. The objective of the study was to examine the effects of annual application of OMW over several years on selected physical properties of the upper soil layer (0–10 cm) and their link to exchangeable K levels. Two experimental field platforms were studied: field crops grown in a tilled clay soil (3 years of OMW application) and an olive orchard grown in a sandy-loam soil (5 years of OMW application). In the clay soil, OMW application did not affect organic carbon (OC) and only slightly increased exchangeable potassium percentage (EPP) from 3.3 in the control to ~4.5 in the OMW-treated plots. In the sandy-loam soil, application of different rates of OMW resulted in an increase in both OC and EPP (>20) compared with the control (8). For both soils, addition of OMW improved aggregate stability; yet for the clay soil, the increase was not associated with changes in EPP or OC. In the sandy-loam soil, aggregate stability was positively correlated with OC and EPP. Soil hydraulic conductivity, tested for the sandy-loam soil only, was not affected by OMW application. Overall, our study shows that consecutive 3 to 5 years of controlled OMW application in the range of 50–150 m3 OMW ha−1 y−1 does not result in the deterioration of soil physical and hydraulic properties. Copyright © 2017 John Wiley & Sons, Ltd.

Note:
Related Files :
Biological materials
Carbon
organic carbon
physical property
sandy loam
Soil hydraulic conductivity
Soils
Wastewater
עוד תגיות
תוכן קשור
More details
DOI :
https://doi.org/10.1002/ldr.2861
Article number:
0
Affiliations:

Institute of Soil, Water and Environmental Sciences, Agricultural Research Organization (ARO), The Volcani Center, Bet Dagan, Israel; Institute of Plant Sciences, Gilat Research Center, ARO, Gilat, Israel; Institute of Plant Sciences, Newe Ya'ar Research Center, ARO, Ramat Yishay, Israel; Institute of Soil, Water and Environmental Sciences, Newe Ya'ar Research Center, ARO, Ramat Yishay, Israel; Institute of Plant Protection, Newe Ya'ar Research Center, ARO, Ramat Yishay, Israel

Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
36528
Last updated date:
02/03/2022 17:27
Creation date:
08/08/2018 14:53
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Scientific Publication
Annual spreading of olive mill wastewater over consecutive years: Effects on cultivated soils' physical properties
29
Annual spreading of olive mill wastewater over consecutive years: Effects on cultivated soils' physical properties

Several studies cautioned against potential negative effects of controlled olive mill wastewater (OMW) application on soil physical properties that could be associated with the possible adverse effects of K on soil structure stability. The objective of the study was to examine the effects of annual application of OMW over several years on selected physical properties of the upper soil layer (0–10 cm) and their link to exchangeable K levels. Two experimental field platforms were studied: field crops grown in a tilled clay soil (3 years of OMW application) and an olive orchard grown in a sandy-loam soil (5 years of OMW application). In the clay soil, OMW application did not affect organic carbon (OC) and only slightly increased exchangeable potassium percentage (EPP) from 3.3 in the control to ~4.5 in the OMW-treated plots. In the sandy-loam soil, application of different rates of OMW resulted in an increase in both OC and EPP (>20) compared with the control (8). For both soils, addition of OMW improved aggregate stability; yet for the clay soil, the increase was not associated with changes in EPP or OC. In the sandy-loam soil, aggregate stability was positively correlated with OC and EPP. Soil hydraulic conductivity, tested for the sandy-loam soil only, was not affected by OMW application. Overall, our study shows that consecutive 3 to 5 years of controlled OMW application in the range of 50–150 m3 OMW ha−1 y−1 does not result in the deterioration of soil physical and hydraulic properties. Copyright © 2017 John Wiley & Sons, Ltd.

Scientific Publication
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