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continue at several new study sites, which were planted in Fall 2019 with the most recent variety release.
inches and 94% less at 48 inches. Below, Figure 1 summarizes nitrate concentrations over the 2019 field
Data analysis is still ongoing, but preliminary results suggest that nitrate concentrations are dramatically
season with soybean in place of corn, included for comparison. Figure 3 summarizes soil moisture data.
beneath corn and IWG at some depths and at certain points during the growing season. This contributes
depths. During the middle third of the season, nitrate concentrations were approximately 83% less at 24
and consistently lower under IWG than under corn. Further analysis is required for soil moisture levels
These trials build on the key data collected from the Staples plots and contribute to the ultimate goal of
and under corn ranged between 10 and 200 ppm. During the first and last thirds of the growing season,
season. Under Kernza, nitrate concentrations were typically less than 2 ppm and at maximum 26 ppm,
PRELIMINARY RESULTS: Data analysis is underway for samples collected during the 2019 field
wheatgrass as a strategy for leaching reduction at a range of scales and sites. Follow-up research will
nitrate concentrations under IWG were 96-98% less than under corn at both 24 and 48 inch sampling
implementing Kernza production as a profitable solution to nitrate leaching reduction in Minnesota.
season under corn and intermediate wheatgrass. Figure 2 summarizes the results from the 2018 field

as well, but the data suggest that there are significant differences in moisture distribution patterns
to our understanding of nitrate leaching and uptake patterns other IWG and other crops.

PRELIMINARY DATA Central Lakes College | Ag & Energy Center | 2019 Annual Report | www.clcmn.edu/ag-energy-center/ Page 55

erent sites
I have come back to the farm the last three summers. This
why I would recommend this job to anyone interested in the
job covers so many different aspects of farming. This being
elds,
University. I am pursuing a degree in Agricultural Economics
with a minor in crop and weed science. After college I would
like to find a job as a seed representative. Working on the farm
Hi, my name is Trevor Johnson, one of the student interns on
the farm. I graduated from Browerville Public school in 2016.
This fall I am going into my senior year at North Dakota State
far as an intern, I don’t think I could have found a better working
environment. The people here are all great to work with and are
some of the best teachers I have met. This is the main reason
here brings all sorts of jobs from day to day but my favorite
would have to be doing tillage work in and around the plots. As
Student Intern Biographies

Annika Rick nitely Hello! I’m Nick Tabatt and this is my first year working as a student intern at the CLC Ag Center. I`m going in to my freshman year at CLC and pursuing my AA Degree. At the Ag Center I’ve water samples from lysimeters, and what equipment is used for planting different seeds. My favorite part about working here is flying the drone and taking pictures of fields that need to be analyzed for any crop health problems. I’d recommend an intern here because the staff here are very kind, you get campus, and y

learned the inner workings of soil samples taken from fi the privilege to not just work here but work at diff Central Lakes College | Ag & Energy Center | 2019 Annual Report | www.clcmn.edu/ag-energy-center/

Trevor Johnson eld. agricultural fi Hi! My name is Annika Rick and will be going into my third year studying Education and Music at Dordt University in Sioux Center, Iowa. This is my first summer working here at the Ag Center and I have loved it! Working here has taught me so many things. Everything from installing lysimeters and taking samples, to flying drones and working in the garden, I learn new things almost every day. One of my favorite aspects about this job is that I get to work in different areas around the farm, and do something new every day. My co-workers

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