TY - JA AU - Tucker,C.J. AU - Elgin,J.H.Jr AU - Fan,C.J. AU - McMurtrey,J.E.III TI - Monitoring corn and soybean crop development with hand-held radiometer spectral data SN - 0034-4257 U1 - 80-528412 PY - 1979/// KW - Maize KW - AGROVOC KW - Soybean glycine max KW - Zea mays N1 - ill. 22 ref T2 - Remote Sensing of Environment ER -