Dry Matter Yield and Nitrogen Content Estimation in Grassland Using Hyperspectral Sensor. - Hitoshi Nishikawa; Jouke Oenema; Fedde Sijbrandij; Keiji Jindo; Gert-Jan Noij; Frank Hollewand; Bert Meurs; Idse Hoving; Peter van der Vlugt; Max Bouten; Corné Kempenaar (Remote. Sens., 2023)