REVIEWS

Books reviewed in this article:
The Peroxisome: a Vital Organdie. By C. M asters and D. C rane
Symbiotic Nitrogen Fixation. Ed. by P. H. G raham , M. J. S adowsky and C. P. V ance
Structure and Function of Roots. Ed. by F. B aluška , M. Č amprová , O. G ašparí -K ová and P. W. B arlow
Nuclear Techniques in Soil-Plant Studies for Sustainable Agriculture and Environmental Preservation.
Biological Control: Benefits and Risks. Ed. by H. M.T. H okkanen and J. M. L ynch
Long-term Experiments in Agricultural and Ecological Sciences. Ed. by R. A. L eigh and A. E. J ohnston