Sekhon, Priya Paul, Arijit Barman, Arghya Chattopadhyay and Nilimesh Mridha BPMBS. VIS-NIR Reflectance Spectroscopy as an Alternative Method for Rapid Estimation of Soil Available Potassium. JISSS [Internet]. 2021 Jan. 6 [cited 2026 Jul. 16];68(3). Available from: https://epubs.icar.org.in/index.php/JISSS/article/view/109339