%0 Journal Article
%T Optimization of sodium extraction from soil by using a central composite design (CCD) and determination of soil sodium content by ion selective electrodes
A% Sevinç Karadağ 
A% Emel Eren
A% Ebru Çetinkaya
A% Selin Özen
A% Seda Deveci
%J Eurasian Journal of Soil Science
%V 5
%N  2
%P 89 - 96
%@ 2147-4249
%D  2015
%l - Federation of Eurasian Soil Science Societies