Wheat Cover Crop Project


Including wheat (Triticum aestivum L.) in Michigan crop rotations promises benefits beyond the simple cash value of wheat grain and straw. Depending on location in the state, the typical fallow period after mid-summer grain harvest encompasses 60 to 90 growing days that could be used to grow cover crops to improve soil health (Snapp et al., 2005), fix nitrogen for the next row crop in the rotation (Tanaka et al., 1997), and provide a harvestable double crop (Snapp and Mutch, 2003). If fully realized, these benefits could provide a powerful boost to sustainability of the overall farming enterprise. However, producers are unsure which cover crops present the greatest potential for return on investment after wheat under Michigan growing conditions and often believe that harvest of a cover crop will negatively affect soil organic matter (SOM) accumulation and future crop productivity. Without research to definitively answer these questions, adoption of cover crops after wheat harvest will be slow.


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. Location (Multiple Choice)
  2. Replication (Multiple Choice)
  3. Treatment (Multiple Choice)
  4. Harvested (Multiple Choice)
  5. Leaf position on plant (Multiple Choice)



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