276
Gilabert, M.A., and Meliá, J. (1993), Solar angle and sky light effects on ground reflectance measurements in a
citrus canopy, Remote Sens. Environ. 44: 281-293.
Gilabert, M.A., Campos, J.A., Younis, M.T., and Meliá, J., (1993), Seguimiento del maiz por radiometría de
campo en la zona experimental EFEDA. El NDVI como indicador del crecimiento, 5- Reunión Científica de
la Asociación Española de Teledetección "Ordenación del territorio y Medio Marino", Las Palmas de Gran
Canaria, 10-12 Noviembre 1993.
Guyot, G., and Baret, F., (1990), Potentials and limits of vegetation indices, Beltsville Symposium XV
"Remote Sensing for Agriculture", May 16-18, 1990, Goddard Space Flight Center, Greenbelt, Maryland.
Horler, D.N.H., Dockray, M., and Barber, J. (1983), The red edge of plant reflectance, Int. J. Remote Sens. 4(2):
273-288.
Huete, A.R., (1988), A soil adjusted vegetation index (SAVI), Remote Sensing of Environment, 25: 295-309.
Jackson, R.D., Clarke, T.R., and Moran, M.S. (1992), Bi-directional calibration results for 11 molded halón and
16 BaSC >4 reference reflectance panels, Remote Sens. Environ. 40: 231-239.
Jensen, A., Lorenzen, B., Spelling 0stergaard, H„ and Kloster Hvelplund, E. (1990), Radiometric estimation of
biomass and nitrogen content of barley grown at different nitrogen levels, Int. J. Remote Sens. 11(10):
1809-1820.
Li, Y., Demetriades-Shah, T.H., Kanemasu, E.T., Shultis, J.K., and Kirkham, M.B. (1993), Use of second
derivatives of com canopy reflectance for monitoring prairie vegetation over different soil backgrounds,
Remote Sens. Environ. 44: 81-87.
LI-COR, 1992. LAI-2000 Plant Canopy Analyzer. Operating Manual. Ll-COR, Inc., April 1992, Lincoln,
Nebraska, USA.
Miller, J.R., Wu, J., Boyer, M.G., Belanger, M., and Hare, E.W. (1991), Seasonal patterns in leaf reflectance
red-edge characteristics, Int. J. Remote Sens. 12(7): 1509-1523.
Price, J.C. (1992), Estimating vegetation amount from visible and near infrared reflectances, Remote Sens.
Environ. 41: 29-34.
Wiegand, C.L., Mass, S.J., Aase, J.K., Hatfield, J.L., Pinter, P.J. Jr., Jackson, R.D., Kanemasu, E.T., and
Lapitan, R.L. (1992), Multisite analyses of spectral-biophysical data for wheat, Remote Sens. Environ. 42:
1 - 21 .