Menu : practices to improve water quality. Cropping land / Ross Abercrombie, Don Harford, Blair Keenan, Alan Campbell, Jackie Fitchman and Angela Davies, Waikato Regional Council with technical writing assistance from Ange Bryant ; Mike Scarsbrook, Bruce Thorrold, Adrian Brocksopp and Chris Glassey, DairyNZ ; Richard Allen, Fonterra ; Erica van Reenen, Beef + Lamb New Zealand ; Diana Mathers and Mike Parker, the Foundation for Arable Research ; Aaron Stafford and Ian Power, Ballance Agri-Nutrients ; James Houghton, Paul Le Miere, Chris Lewis and Chris Irons, Federated Farmers Waikato and Bryan Osbourne, Federated Farmers Rotorua-Taupo ; James Allen and Kate Ody, AgFirst Waikato ; Alison Dewes, Headlands.