You tried going to http://ires.ubc.ca/2017/09/26/fifth-international-conference-on-agriculture-systems-technology-2017-agrifish2017-colombo-sri-lanka/, and it doesn't exist. All is not lost! You can search for what you're looking for.
http://ires.ubc.ca/2017/09/26/fifth-international-conference-on-agriculture-systems-technology-2017-agrifish2017-colombo-sri-lanka/