Results of the column leaching experiment showed that biochar
addition significantly influenced Na+, K+, Ca++ and Mg++ concentrations
in the leachate (Fig. 9). For Na+ concentration, no significant
difference was found with biochar amendment under non-saline
irrigation compared to respective non-biochar control; however,
under saline irrigation significant reduction of Na+ concentration
in the leachate in the biochar treatment was observed between