A Review of Methods for Sensing the Nitrogen Status in Plants: Advantages, Disadvantages and Recent Advances.
Rafael F. Muñoz-HuertaRamon Gerardo Guevara-GonzalezLuis Miguel Contreras-MedinaIrineo Torres-PachecoJuan Prado-OlivarezRosalia V. Ocampo-VelazquezPublished in: Sensors (2013)