9^. CORRELATION BEHVEEN SOIL pH AHD SIGHS OF CHEMICAL ELMERT DEFICIENCY 



Contributors: (a) Davles, W. M. (b) Sites, J. W. (c) Truog, E. (d) Wild, A. 



References: (l) Hutchinson, G. E.. 

 W. E., Bot. Rev. 1^:169, 1947. (U) 



Soil Sci. 60:29, 19'i'?. (2) Berger, K. C, Advanc. Agron. 1:521, 19lt9. (5) Brenchley, 

 DavleB, E.B., Trans. Int. Soc. Soil Scl.,Coiiim. 2 & U, l:l67, 1952. (5) Bear, F. E., et 

 al.. Hunger signs in crops, Washington: Am. Soc. Agr. and Kat'l Fertilizer Assoc, 19lt9. (6) Wallace, T., The diagnosis 

 of mineral deficiencies in plants by visual symptoms, London: H. M. Stationary Office, 1951. (7) Wallace, T., (unpublished 

 data). (8) Mllllkan, C. R., J. Agr. Vict. Ii2:79, 19W-. (9) Hewitt, E. J., Trans. Int. Soc. Soil Sci., Comm. 2 & It, 1:107, 

 1952. (10) Eknan, P., et al.. Acta. Agr. Scand. 2:103, I952. (11) Gilbert, F. A., Advanc. Agron. It:llt7, 1952- (12) Rice- 

 man, D. S., and Anderson, A. J., J. Dept. Agr. S. Australia U2:l6, I9I13. (15) Hewitt, E. J., and Jones, E. W., Long AshtoQ 

 Agr. Hort. Res. Sta. Rpt . 56, 1950. (lit) Nearpass D. C, and Drosdoff, M., Soil Sci. 2!t:295, I952. (15) Williams, R. D., 

 Plant and Soil ^:257, 1951. (16) Chilean Iodine Bureau, Iodine content of foods. London: Chilean Iodine Educational Bureau, 

 1952- (17) Haas, A. R. C, Plant Physiol. 17:27, 19^2. (18) Hewitt, E. J., J. Exp. Bot. U:59, 1955. (19) Tyson, A. G., (un- 

 published data). (20) Thompson, F. C, el al.. Wye Coll. Dept. Hop Res. Ann. Fept . 5I1, 19lt9. (21) Mulder, E. G., and 

 Gerretsen, F. C, Advanc. Agron. It:221, 1952. (22) Plant, W., Agriculture ^:130, 1950. (25) Anderson, A. J., et al., 

 Australian Council Scientific Industrial Research Bull. 198, 191,6. (SU) Hewitt, E. J., and Bolle-Jones, E. W., J. Hort. Sci. 

 27:257, 1952. (25) Williams, E. G., Nat. Agr. Advisory Service Quart. Rev., Summer, 19119. (26) Truog, E. , et al. , Soil 

 Sci. 76:lil, 1955- (27) Gilbert, F. A., Bot. Rev. 17:671, 1951- (28) Camp, A. F., Soil Sci. 60:157, 19I15. (29) Greenwood, 

 M., and DJokoto, R. K., J. Hort. Sci. 22:225, 1952. 



Reviewers : Camp, A. F.; Davles, W. M. ; Johnson, C. M. ; Pearson, G. A.; Peech, M. ; Russell, E. W.; Sites, J. W.; Stiles, W.; 

 Truog, E.; Wadlelgb, C. H.; Wander, I. W.; Wild, A. 



95. CORRELATION BETWEEN SOIL pH AND SIGHS OF CHEMICAL ELEMENT EXCESS 



Contributors: (a) Davles, W. M. (b) Russell, E. W. (c) Wild, A. (d) Truog, E. 



References ; (1) Wallace, T., (unpublished data). (2) Hewitt, E. J., Long Ashtoa Agr. Hort. Res. Sta. Rept. 58, 19I18. (5) 

 Hewitt, E. J., Trans. Int. Soc. Soil Sci ., Coram. 2& It, 1:107, 1952. ("t) Brenchley, W. E. , Bot. Rev. 15:169, 19lt7. (5) Thomp- 

 son, A. H., and Batjer, L. P., Soil Sci. 69:281, 1950. (6) Eaton, F. M. , J. Agr. Res. 69:237, 19Wt. ^7) Wallace, T. , The 

 diagnosis of mineral deficiencies in plants by visual symptoms , LondDn:H.M. Stationery Office, 1951. (8) Hurd-Karrer, A. M. , 

 Soil Sci. 70:155, 1950: (9) Prince, A. L. , et al.. Soil Sci. 67:269, 19U9. (10) Wdrlch, D. G., et al. , Soil Sci. 71:291, 

 1951. (11) Mulder, E. G., and Gerretsen, F. C, Advanc. AgronT^l : 221 , 1952. (12) Barshad, I., Soil Sci. 71-297, 1951 (15) 

 Lewis, A. H., J. Agr. Sci. 53:52, 19"t3. (Ill) Brenchley, W. E. , Ann. Appl. Biol. 55:159, 191*8. (15) HewlttT E. J., J. Exp. 

 Bot. lt:59, 1953- (I6) Mitchell, R. L. , Trans. Int. Cong. Pure and Applied Chem. 5:157, 19^7. (17) Vergnano, 0., and Hunter, 

 J. G., Ann. Bot. NS 17:517, 1953. (18) Lakln, H. W. , and Byers, H. G. , U. S. Dept. Agr. Tech. Bull. 95O, 19U8. (19) Walsh, 

 T., et al., Nature, Lond. 268:881, 1951. (20) Davles, W. M., Trans. Int. Soc. Soil Sci., Comm. 2& It, 1.136, 1952. (21) 

 Reuther, W. , and Smith, P. F., Soil Sci. 75:219, 1953. 



Reviewers : Camp, A. F. ; Davies, W. M. ; Johnson, C. 

 Truog, E.; Wadlelgh, C. H.; Wander, I. W.j Wild, A. 



Pearson, G. A.; Peech, H.; RusseU, E. W.; Sites, J. W.; stiles, W.; 



335 



