Pages 43–44 from the book:

Near Infrared Spectroscopy: Proceedings of the 14th International Conference

ISBN: 978-1-906715-03-8

Abstract: Near infrared reflectance spectroscopy for estimating soil characteristics useful in the diagnosis of soil fertility

V. Genot, G. Colinet, L. Bock, D. Vanvyve, Y. Reusen and P. Dardenne