would biochar act as a filtering agent for storm water run off into catch basins during the rainy seasons?more water catchment systems would be a good idea so the big plant wouldn't have to run so much if rainwater was harvested for crop usage wouldn't it?then again I don't know what or how high the salt content is in the soil there either so I am just asking and not trying to assume anything.good video,i'm going to try to learn more on this.