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The Radiometer: A Simple Instrument For The Measurement Of Radiant Energy In Field Studies, J. M. Aikman
The Radiometer: A Simple Instrument For The Measurement Of Radiant Energy In Field Studies, J. M. Aikman
Proceedings of the Iowa Academy of Science
During the past decade important advances have been made in the measurement of light and radiant energy. Although previous to this time emphasis was placed on the refinement of instruments for measuring light, during this period emphasis has been placed on the measurement of radiant energy since plants are affected by rays both longer and shorter than those of the visible spectrum.
Research Vs. Conservation, W. W. Aitken
Research Vs. Conservation, W. W. Aitken
Proceedings of the Iowa Academy of Science
Conservation defined, means to supervise and protect. The supervising and protecting of wild life requires a knowledge of life history, habits, and daily activity of the particular objects under observation. This information is only gained after study and research into all factors effecting the life of plant and animal.