APOGEE

Silicon-cell Photodiode Pyranometers
Journal articles

The Pyranometer Sensor is
calibrated to measure the shortwave radiation reaching the Earth's surface, measured in Joules m-2 s-1 or Watts m-2.
 

     Model SP-110:

$169
     Model AL-100: $29
 
  JOURNAL ARTICLES

Payero, J. O., S. Irmak. 2006.
Variable upper and lower crop water stress index baselines for corn and soybean.
     Irrigation Science,
     25 (1):21-32.

 
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   JOURNAL ARTICLES
 

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  JOURNAL ARTICLES

Payero, J. O., S. Irmak. 2006.
Variable upper and lower crop water stress index baselines for corn and soybean.
Irrigation Science. 25 (1):21-32