Determination of fibre and protein content in heterogeneous pastures using field spectroscopy and ultrasonic sward height measurements. - Hanieh Safari; Thomas Fricke; Michael Wachendorf (Comput. Electron. Agric., 2016)

Fusion of Ultrasonic and Spectral Sensor Data for Improving the Estimation of Biomass in Grasslands with Heterogeneous Sward Structure. - Thomas Möckel; Hanieh Safari; Björn Reddersen; Thomas Fricke; Michael Wachendorf (Remote. Sens., 2017)