On 14 February, WISALTS held their field day at the WISALTS Trial Site on the Denbarker property of James Erskine, with more than 50 local farmers attending. President of WISALTS, Lex Hardie, said he was struck by the degradation of farms by salt encroachment when driving along Albany Highway, from Williams to Mount Barker. Harry Whittington said that before land was cleared, trees used large quantities of water, establishing a layer of strong humus by the annual fall of leaves. This kept the soil open, allowing water to penetrate so that even during heavy rainfall there was no waterlogging. He also explained the methods and procedures of the interceptor bank system to the group, who watched the demonstration by two bulldozers of how to cre...