Do more diverse crop rotations reduce weed pressure?

-Status: Published. The dataset was published through ISU’s wonderful DataShare service.

Maize and soybean root distributions in Iowa, USA

-Status: Published

Do cover crops change the amount/makeup of weed seeds?

-Status: A collaboration with PFI. Manuscript is in progress, which is academic-speak for don’t ask me about it.

Does using cover crops increase the water-holding capacity of soil?

-Status: In progress. Thanks to the North Central Sustainable Agriculture Research and Eduction graduate student grant for funding this fun project where I’m again collaborating with PFI.

Do crop roots respond to cropping system history?

-Status: Two field seasons down, one to go?