Plant Nutrition 



225 — 



Index 



— in enzyme systems, 39, 42-43 



— essentiality of, 27-29, 34; plates 8, 12, 13, 14a, lAh 



— fixation in soil, 35 



— • impurity in iron sulphate, 34 



— in oxidation systems, 42-43 



— radioactive, 38 



— requirement by plants, 37; plates 8, 12, 13, 14a, 14b 



— spraying of trees, 35 



AUTHOR INDEX 



Arnon, D. I., 28, 30, 46, 47, 97, 

 101, 109, 112, 115, 125, 138, 



147, 188, 190, 200, 202, 206, 

 208, 212 



Auchter, E. C, 46 

 Ayers, A. D., 157, 176 



Baraxetsky, J., 85, 102 



Barker, H. A., 106, 125 



Baumann, C. A., 140, 148 



Baver, L. D., 177 



Bean, R. S., 39, 40, 41, 46 



Bennett, J. P., 94 



Blinks, L. R., 53, 64, 65, 70 



Bray, R. H., 176 



Brenchley, W. E., 27, 46 



Brooks, S. C, 52, 53, 70 



Brown, A. H., 146, 147 



Brown, J. G., 163, 177 



Brown, S. M., 15, 17, 24, 33, 46 



Broyer, T. C, 52, 55, 58, 59, 60, 

 61, 63, 64, 67, 70, 76, 77, 78, 

 79, 80, 83, 85, 86, 87, 90, 91, 

 93, 102, 106, 125, 130, 131, 



148, 155, 198, 210, 214 

 Burd, J. S., 5, 6, 8, 9, 11, 24, 



178 180 

 Burst'rom, H., 30, 46, 127, 148 



Chandler, W. H., 34, 46, 192 

 Chibnall, A. C, 136, 139, 147 

 Clark, H. E., 137, 147 

 Clements, H. F., 92, 102, 119 

 CoUander, R., 66, 70, 110, 111, 



125, 166 

 Comber, N. M., 120, 125 

 Crafts, A. S., 91, 93, 102 

 Cummins, A, B., 24 



Curtis, O. F., 102 



Darsie, Jr., M. L., 65, 70 

 Davis, A. R., 19, 20, 24, 50, 70, 



170, 187 

 De Turk, E. E., 176 

 Dore, W. H., 15, 24 

 Dufrenov, J., 40, 42, 47 

 Dunne, t. C, 129, 148 



Eaton, F. M., 33, 46, 102 

 Eng-ard, C. J., 92, 102 

 Esau, K., 102 



Fisher, R. A., 19 

 Fratzke, \V. E., 125 

 Fry, W. H., 15, 24 



Gauch, H. G., 102 

 Gedroiz, K. K., 12 

 Gericke, W. F., 202 

 Goddard, D. R., 146, 147 

 Gregory, F. G., 148, 175, 176 

 Grossenbacher, K. A., 60, 78, 

 84, 85, 102, 186 



Harrison, J. A., 71, 89, 90, 91, 

 102 



Hartt, C. E., 176 



Hendricks, S. B., 15, 24 



Hibbard, P. L., 46, 192 



Hill, G. R., 21, 25 



Hissink, D. J., 12 



Hoagland, D. R., 10, 24, 37, 46, 

 50, 55, 58, 59, 61, 63, 64, 67, 

 70, 74, 76, 77, 78, 79, 80, 83, 

 86, 87, 94, 95, 99, 102, 103, 

 109, 112, 125, 130, 131, 148, 

 155, 159, 161, 165, 172, 176, 



