Media type: E-Article Title: Prediction of yield and the contribution of legumes in legume-grass mixtures using field spectrometry Contributor: Biewer, Sonja; Erasmi, Stefan; Fricke, Thomas; Wachendorf, Michael imprint: Springer Science and Business Media LLC, 2009 Published in: Precision Agriculture Language: English DOI: 10.1007/s11119-008-9078-9 ISSN: 1385-2256; 1573-1618 Origination: Footnote: