01133nam 2200349Ka 450 991069095680332120010108125001.0(CKB)5470000002342775(OCoLC)45415378ocm45415378(OCoLC)995470000002342775(EXLCZ)99547000000234277520001122d2000 ua 0engtxtrdacontentcrdamediacrrdacarrierInvestigating a physical basis for spectroscopic estimates of leaf nitrogen concentration[electronic resource] /Raymond F. KokalyDenver, CO :U.S. Geological Survey,[2000?]Title from title screen.Foliar diagnosisPlantsAnalysisFoliar diagnosis.PlantsAnalysis.Kokaly Raymond F1381536Geological Survey (U.S.)GPOGPOBOOK9910690956803321Investigating a physical basis for spectroscopic estimates of leaf nitrogen concentration3424249UNINA