References
- Jackson , R. D. , Reginato , R. J. and Idso , S. B. 1977 . Wheat canopy temperature: A practical tool for evaluating water requirements . Water Resources Research , 13 ( 3 ) : 651 – 656 .
- Weigand , C. L. and Namken , L. N. 1966 . Influence of plant moisture stress, solar radiation, and air temperature on cotton leaf temperatures . Agron. J. , 58 : 582 – 586 .
- Bartholic , J. F. , Namken , L. N. and Weigand , C. L. 1972 . Aerial thermoscanner to determine temperature of soil and of crop canopies differing in drought stress . Agron. J. , 64 : 603 – 608 .
- Idso , S. B. , Jackson , R. D. and Reginato , R. J. 1977 . Remote sensing of crop yields . Science , 196 : 19 – 25 .
- Foy , C. D. and Campbell , T. A. 1984 . Differential tolerances of Amaranthus strains to high levels of aluminum and manganese in acid soils . J. Plant. Nutr. , 7 (9) : 1365 – 1388 .
- Brown , J. C. and Jones , W. E. 1977 . Manganese and iron ‐toxicities dependent on soybean variety . Comm. Soil Sci. Plant Anal. , 8 (1) : 1 – 15 .
- Suresh , R. 1987 . Effects of manganese and water stress on two cultivars of soybean (Glycine max (L.) Merr.): Possible applications in remote sensing , College Park, MD : Geology Dept., Univ. of Maryland . M. S. Thesis
- Krizek , D. T. , Carmi , A. , Mirecki , R. , Snyder , F. W. and Bunce , J. A. 1985 . Comparative effects of soil moisture stress and restricted root zone volume on morphogenic and physiological responses of soybean (Glycine max (L.) Merr.) . Jour. Exptl. Botany. , 36 (162) : 26 – 38 .
- Horler , D. N. H. , Barber , J. and Barringer , A. R. 1980 . Effects of heavy metals on the absorbance and reflectance spectra of heavy metals . International Journal of Remote Sensing , : 121 – 136 .
- Foy , C. D. 1964 . Toxic factors in acid soils of the southeastern United States as related to the response of alfalfa to lime , USDA Prod. Res. Rpt. No. 80
- Foy , C. D. , Webb , H. W. and Jones , J. E. 1981 . Adaptation of cotton genotypes to an acid, manganese‐toxic soil . Agron. J. , 73 : 107 – 111 .
- Suresh , R. , Foy , C. D. , Weidener , J. R. , Schnetzler , C. S. and Schwaller , M. R. 1989 . Effect of mineral stress on the thermal infrared emission of soybeans: A greenhouse experiment: Possible utility in remote sensing . Int. J. Remote Sensing. , 10 : 557 – 563 .
- Gates , D. M. 1980 . Biophysical Ecology , 611 Springer‐Verlag .
- Present Address: Science Applications International Corporation 400 Virginia Ave. S.W., Suite 810, Washington, DC 20024
- Present Address: University of Maryland, Department of Geology, College Park, MD 20742