biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 1:167, 1959 | DOI: 10.1007/BF02927053

A Photoelectric Planimeter for Measuring Leaf Area

V. P. Batyuk1, E. F. Rybalko1, A. S. Okanenko1
1 Ukrainian Research Institute of Plant Physiology, Kiev, U.S.S.R.

This paper gives a description of a two-channel photoelectric planimeter for measuring leaf areas. It is based on the absorption of rays within the range 0.6 to 1.4μ. The flux of radiation is converted to electric signals by argentum sulphide photocells. The difference in the photoelectric currents from the measuring and control channels is amplified by a sensitive and highly stable d.-c. differential amplifier and is indicated by a meter which can be calibrated direct in area units.

Received: October 1, 1958; Published: June 1, 1959  Show citation

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Batyuk, V.P., Rybalko, E.F., & Okanenko, A.S. (1959). A Photoelectric Planimeter for Measuring Leaf Area. Biologia plantarum, 1(2), 167. doi: 10.1007/BF02927053
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    References

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