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אסיף מאגר המחקר החקלאי
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A suggested modification in the extraction procedure and expression of EC values of growth media
Year:
1987
Source of publication :
Acta Horticulturae
Authors :
Mordechai, Shifra
;
.
Raviv, Michael
;
.
Volume :
221
Co-Authors:
Facilitators :
From page:
445
To page:
452
(
Total pages:
8
)
Abstract:

A new method of expressing EC values of media solutions is suggested. The method is based on water extraction of non-dried substrate according to any convenient water/medium weight ratio and adjusting the results in accordance with the moisture content at “container capacity.”

The linearity of the results for various moisture contents suggests that such an extrapolation can be accomplished safely at normal salinity levels. This is further substantiated by the similarity between EC of irrigation water and the measured EC according to this method even at very high salt concentrations.

The ability to predict salinity damages using this method proved to be superior to that of the common 1:10 (W:W) method.

Note:
Related Files :
Electrical conductivity (EC)
growing media
Growth media
water
Show More
Related Content
More details
DOI :
10.17660/ActaHortic.1988.221.51
Article number:
0
Affiliations:
Database:
Publication Type:
Conference paper
;
.
article
;
.
Language:
English
Editors' remarks:
ID:
50834
Last updated date:
02/03/2022 17:27
Creation date:
12/10/2020 15:08
Scientific Publication
A suggested modification in the extraction procedure and expression of EC values of growth media
221
A suggested modification in the extraction procedure and expression of EC values of growth media

A new method of expressing EC values of media solutions is suggested. The method is based on water extraction of non-dried substrate according to any convenient water/medium weight ratio and adjusting the results in accordance with the moisture content at “container capacity.”

The linearity of the results for various moisture contents suggests that such an extrapolation can be accomplished safely at normal salinity levels. This is further substantiated by the similarity between EC of irrigation water and the measured EC according to this method even at very high salt concentrations.

The ability to predict salinity damages using this method proved to be superior to that of the common 1:10 (W:W) method.

Scientific Publication
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