New Zealand Agricultural Engineering Institute2025-04-242025-04-24https://hdl.handle.net/10182/18753The Roto-drill concept was first used by a New Zealand farmer to introduce new pasture species in native grasslands. The N.Z.A.E.I. has carried out machine development and agronomic trial work to establish the effectiveness of this concept.1 page© NZAEIRot-drillrotary hoeJournal ArticleANZSRC::409901 Agricultural engineering