Bidwell, Vince JCollinge, Trevor M2024-10-282024-10-281976https://hdl.handle.net/10182/17784A series of trials with an imported trenchless drainlaying machine has shown that the machine can operate successfully under some New Zealand conditions. Drains were laid using 100 mm clay tiles and two types of plastic drainage pipe. The results show that the use of trenchless drainlaying methods could make a significant contribution to land drainage in New Zealand.v, 17 pages© New Zealand Agricultural Engineering Institutedrainagefarm machinerydrainlaying equipmentReportANZSRC::300208 Farm management, rural management and agribusiness