Sensor and control for consistent seed drill coulter depth. - Søren Kirkegaard Nielsen; Michael Nørremark; Ole Green (Comput. Electron. Agric., 2016)

Seed drill instrumentation for spatial coulter depth measurements. - Søren Kirkegaard Nielsen; Lars J. Munkholm; Mathieu Lamandé; Michael Nørremark; Nick Skou-Nielsen; Gareth T. C. Edwards; Ole Green (Comput. Electron. Agric., 2017)

Seed drill depth control system for precision seeding. - Søren Kirkegaard Nielsen; Lars J. Munkholm; Mathieu Lamandé; Michael Nørremark; Gareth T. C. Edwards; Ole Green (Comput. Electron. Agric., 2018)