© 1958 by Institute of Chartered Foresters
METHODS OF LIGHT INTENSITY MEASUREMENT IN FOREST STANDS
II. The Use of Light Measurement Instruments in the Field
Department of Forestry, University of Edinburgh
Recent developments are discussed and the use being made by the Department of Forestry, University of Edinburgh, of the photographic photometer, the luxmeter, and the barrier-layer cell is described separately in detail and illustrated by photographs. The use of filters is considered and a note added on the position reached by research into the problem.