Early Detection of Nitrogen Deficiency in Corn


Take measurements of a nitrogen test plot in corn. Develop better understanding of photosynthesis response to nitrogen deficiency. Begin gathering base research to use the photosynq device as a tool for choosing side dress nitrogen application rates.


Leaf Photosynthesis - MultispeQ Beta ONLY

Measures photosynthesis-related parameters in <15 seconds, including: Phi2, PhiNPQ, PhiNO, NPQt, qL, LEF, and SPAD. In addition, measures PAR (photosynthetically active radiation), ambient temperature and relative humidity.

Works with the MultispeQ Beta device only


  1. What Color is the Plant? (Multiple Choice)
  2. What is the Growth Stage? (Multiple Choice)
  3. Leaf Position (Multiple Choice)
  4. Field Location (Short Answer)
  5. Nitrogen Treatment (Short Answer)
  6. Hybrid (Short Answer)



Default avatar
Project Lead (0)
Thumb workphoto2
Collaborator (0)