Soil spectroscopy: an opportunity to be seized

c Whashington State University, 405 Johnson Hall, PO Box 646420, Pullman, WA 99164-6420 USA d World Agroforestry Centre (ICRAF), United Nations Avenue, PO Box 30677, 00100 Nairobi Kenya e Food and Agriculture Organization (FAO), Viale delle Terme di Caracalla 00153 Rome, Italy * Corresponding author. Via Enrico Fermi 2749 e TP 280, I-21027 Ispra, VA, Italy. Tel.: +39 0332 78 3682; fax: +39 0332 78 6394. E-mail addresses: marco.nocita@jrc.ec.europa.eu; marco.nocita@gmail.com