1. Topp, E., Scheunert, I., Attar, A. & Korte, F., Factors affecting the uptake of 14C-labelled organic chemicals by plants from soil. Ecotoxicol. Environ. Safety, 11 (1986) 219–28.
2. Finlayson, D. G. & MacCarthy, H. R., Pesticide residues in plants. In Environmental Pollution by Pesticides, ed. C. A. Edwards. Plenum Press, London and New York, Chapter 2, 1973.
3. Edgington, L. V. & Peterson, C. A., Systemic fungicides: theory, uptake and translocation. In Antifungal Compounds, Vol. 2, ed. M. R. Siegel, & H. D. Sisler. Marcel Dekker, New York, 1977, pp. 51–89.
4. Crowdy, S. H. & Rudd Jones, D., Partition of sulphonamides in plant roots: A factor in their translocation. Nature, 178 (1956) 1165–7.
5. Brown, K. W., Evans, G. B. & Frentrup, B. E., Hazardous Waste Land Treatment. Ann Arbor Science, Ann Arbor, MI, 1983.