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Published online 26 May 2006
Published in Vadose Zone J 5:801-804 (2006)
DOI: 10.2136/vzj2005.0137
© 2006 Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Right arrow Evapotranspiration
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An Automated Rotating Lysimeter System for Greenhouse Evapotranspiration Studies

Naftali Lazarovitcha,*, Alon Ben-Galb and Uri Shania

a Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot 76100, Israel
b Agricultural Research Organization, Gilat Research Center, Israel

Figure 1
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  		Fig. 1. A schematic representation of the carousel construction: barcode reader (A) , infrared ray (B), and rotary electrical interface (C).

 

Figure 2
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  		Fig. 2. View of a single lysimeter and the system's automation center: plastic container (A), highly conductive drainage extension (B), load cell (C), preparation container (D), suspended load cell (E), storage tanks (F),manifold of valves (G), water valve (H), irrigation valve (I), intermediate spillway (J), low pressure emitters (K), rinse valve (L), drainage container (M), drainage tube (N), spring loaded handle (O), piston (P), container (Q), electrical conductivity sensor (R) load cell (S), and piston (T).

 

Figure 3
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  		Fig. 3. An automated rotating carousel being used for water balance research with a corn crop. The photograph shows individual lysimeters, their drainage pipes, and leachate collection containers.

 




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