1. Glutamic-oxaloacetic transaminase in leaves of phosphorus-deficient citrus plants;Achituv;Physiol. Plant.,1976
2. The inducible formation and stability of nitrate reductase in higher plants;Afridi;J. Exp. Bot.,1964
3. Peroxidase activity as an indicator of the iron requirement of citrus plants;Bar-Akiva;Isr. J. Agric. Res.,1968
4. Possible use of the nitrate reductase activity as a measure of the nitrogen requirement of citrus trees;Bar-Akiva;Plant Cell Physiol.,1965
5. Ascorbic acid oxidase activity as a measure of the copper nutrition requirement of citrus trees;Bar-Akiva;Agrochimica,1969