1. Bernstein, L. 1961 Osmotic adjustment of plant to saline media. II dynamic phase. Am. J. Bot.50, 360–370.
2. Bernstein, L. and Hayward, H. E. 1958 Physiology of salt tolerance. Annu. Rev. Plant Physiol.9, 25–46.
3. Hewitt, E. J. 1966 Sand and water culture methods use in the study of plant nutrition. Techn. Commun. No.22. Commonw. Agric. Bur. London, 547 p.
4. Hoagland, D. R. and Snyder, W. C. 1933 Nutrition of strawberry plants under controlled conditions (a) Effects of deficiences of boron and certain other elements (b) Susceptibility to injury from sodium salts. Proc. Am. Soc. Hortic. Sci.30, 288–295.
5. Hyden, S. 1955 A turbidimetric method for determination of higher polyethylene glycols in biologicals materials. Ann. Roy. Agric. Coll. Sweden22, 139–145.