For Electric conductivity (EC), I have taken 10 g of soil in 25 ml of water and directly measured it without filtering the suspension. Is this correct ?
Shairq Irtiqa Для определения электропроводности почвы используют специальные вполне доступные приборы. Но можно сделать и так как Вы сделали, но придется калибровать Вашу методику стандартным прибором.
Shariq,
Mmm.
That's now a terribly wet slurry of mud - rather than soil.
Are you trying to measure the conductance of in-situ soil? If so, this is dominated (of course) by the water content of the sample - and accounting for this is not trivial.
Multi-point resistance methods are fairly common:
https://acsess.onlinelibrary.wiley.com/doi/abs/10.2136/sssaj1980.03615995004400060017x
Dear Shairq Irtiqa ! It is possible to use the additive method. Measure the conductivity of the soil, and then add the precisely measured amount of water and measure again.
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