• Study of ridged gardens via phytolith analysis and humic acid analysis.
• (New) Study of intercropping in maize, beans, squash, and sunflowers with various treatments of native cover crops and locally sourced soil enrichment materials; their effect on soil quality, plant health and crop yield.
• Domestication of regional (native Iowan) Chenopodium berlandieri. Currently in year #10-11.
• Ongoing projects growing 2 maize landraces, study of potential for differentiating maize landraces from archaeological samples via cob phytoliths – is it a high or low resolution issue?