An absorber surface cooled with liquid nitrogen was used to control leaf temp- eratures down to -70°C. A precision of ± 0.13°C with less than 0.3°C variation over a 9 m2 area was attained. Since radiative cooling of the leaves was involved, the experimental frosting closely simulates the conditions during a natural frost. The results of a previous study where Eucalyptus plants were exposed to either convective cooling or natural frosts were confirmed by means of this new facility.
No takes yet. Share an insight, caveat, or question.
Aston et al. (1973) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: