00699nam a2200193 a 450000100080000000500110000800800410001910000240006024501350008426001410021965000110036070000190037170000210039070000210041170000180043270000210045070000170047170000170048810459792022-04-29       2001    bl uuuu     u00u1 u    #d1 aLUCHIARI JUNIOR, A.  aDescription and performance of a crop canopy reflectance sensor for nitrogen management in corn and forage.h[electronic resource]  aIn: EUROPEAN CONFERENCE ON PRECISION AGRICULTURE, 3, 2001, Montpellier, France. Abstracts... Montpellier, France, June 2001. p.46.c2001  acanopy1 aINAMASU, R. Y.1 aFRANCA, G. E. de1 aMANTOVANI, E. C.1 aGOMIDE, R. L.1 aCORREA, L. de A.1 aSHANAHAN, J.1 aSCHEPERS, J.