Person: Dave and Meg Schmidt

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In a Nutshell
• Cover crops and summer annual
forage mixes can provide a host of
benefits to annual cropping systems:
add biodiversity, reduce soil erosion,
reduce nutrient loss, increase soil
organic matter and reduce weed pressure.
• Dave and Meg Schmidt evaluated the
effect of applying chicken litter to a
cereal rye + hairy vetch cover crop
and grazing the cover crop ahead of
establishing a summer annual forage
mix.
Key findings
• Grazing the cereal rye + hairy vetch
cover crop resulted in more biomass
production than where not grazed.
• The application of chicken litter did
not affect cover crop growth or summer
annual forage biomass production.
• Hairy vetch in the cover crop successfully
established (seeded in late August
2015) and may have contributed a
substantial amount of N to the succeeding
summer annual forage crop.

October 25, 2016 

RESEARCH REPORT

Livestock farmers invited to Bud Williams-style stockmanship and marketing schools – Sept. 12-15, near ExiraFor Release: August 19, 2016 Download PDF (105 kB) Contacts: Tina Williams | Hand ‘n Hand Livestock Solutions | [email protected] Tamsyn Jones | Practical Farmers of Iowa | (515) 232-5661 | [email protected] EXIRA, Iowa — Tina Williams and Richard McConnell, of [...]

August 19, 2016 

NEWS RELEASE

Objective: 1) Should chicken litter be applied to cereal rye+hairy vetch cover crop to maximize cover crop biomass and provide N for the summer annual forage mix? 2) How will fall grazing of the cover crops affect performance the following year ahead of the summer forage mix?

June 28, 2016 

RESEARCH PROTOCOL

In a Nutshell
• Cover crops can provide a high-quality,
low-cost feed during times when farmers
would normally be feeding hay and
other stored forages.
• Dave and Meg Schmidt planted and
grazed cover crops and crop residue
to extend their grazing season and
reduce hay expenses.
• Over four winter seasons, they have
maintained animal performance
through feeding a combination of hay
and winter grazing.
Key findings:
• Grazing cover crops and crop residue
in late fall delayed the onset of regular
hay feeding.
• Cows maintained body condition
and calves met average daily gain
goals while grazing cover crops and
crop residue.
• Utilizing cover crops as forage
allowed the Schmidts to feed less
hay than previous years, while also
increasing their herd size.
• Graziers should consider entering
into cost-share agreements with row
crop neighbors to reduce cover crop
establishment costs.

December 7, 2015 

RESEARCH REPORT

Cereal rye, oats and other cool-season,
small grains grass species have been
proven as effective cover crops in Iowa
crop production systems.
• Cooperators screened pure seedings
and mixtures of grass, legume and
brassica cover crops for ground cover
and aboveground biomass production
in small, hand-seeded plots across the
state.
KEY FINDINGS
• Cereal rye and mustard tended to produce
the most amount of fall ground
cover.
• Cereal rye and field pennycress were
the only entries to consistently overwinter
and produce spring growth.
• Field pennycress may be a good option
for those in corn-soybean systems
looking to add diversity to their practice
of cover cropping.

July 16, 2015 

RESEARCH REPORT

Objective: To experiment with seeding different forages into existing pastures and monitor performance of livestock, forage and the soil.

July 7, 2015 

RESEARCH PROTOCOL

Good management is essential to
maintaining productive pastures and
encouraging high performance.
• Dave and Meg Schmidt tracked the
management of their pastures, animal
performance, and rates of gain.
• 2014 featured good weather and
improved rotational grazing, resulting
in more animal grazing days and
better calf growth.
KEY FINDINGS
• Managed grazing has improved
animal health and gain.
• Forage diversity and soil health can
be improved with managed grazing.
• Short-season annual forages provide
livestock feed during key periods,
when perennials are don’t.

April 30, 2015 

RESEARCH REPORT

Face and horn flies can damage
livestock health and producer profits
through the spread of disease and irritation
to animals.
• Cooperators counted flies on their
cattle to determine efficacy of control
methods and to identify degrees of fly
load that negatively impact cattle.
• Over time, reduction in fly load has
been observed, seemingly due to selection
of cattle and rotational grazing,
along with some targeted fly control
methods.
KEY FINDINGS
• Environmental factors (windspeed, humidity,
temperature, cloud cover) did
not seem to correlate with fly load.
• Certain animals seem to be more
prone to high fly loads; this may be
due to color, genetics, or breed.
• Cattle behavior (bunching, kicking,
stomping, tail flicking) was not strongly
associated with fly load, although
fly load was below accepted economic
threshold levels in 2014.

April 29, 2015 

RESEARCH REPORT

Feeding cows during the winter is
often expensive, requiring investment
in stored feeds like hay and extra labor
from the producer.
• In addition to the numerous benefits
of cover crops for row crop farmers,
livestock can graze the forage, providing
a high-quality and low-cost feed
during times of low feed supplies.
• Dave and Meg Schmidt planted cover
crops and grazed crop residues to reduce
expenses and keep their animals
out on pasture.
• Over three winter seasons, they have
maintained animal performance and
are starting to see reduced winter feed
costs.
KEY FINDINGS
• Planting cover crops and utilizing
crop residue in the late fall has
delayed the onset of regular hay
feeding.
• Calf average daily gain over the
winter has improved over the years,
implying better nutrition, management,
and genetics.
• Feeding hay can be successfully offset
by cover crops and crop residues.

November 1, 2014 

RESEARCH REPORT

Cover crop entries were hand seeded at
locations into standing corn and soybeans
and evaluated for fall ground cover,
spring ground cover, and spring biomass
production.
KEY FINDINGS
• Cereal rye and mustard tended to
produce the most amount of fall ground
cover.
• Sufficient rainfall following cover crop
seeding is necessary for fall cover crop
growth and overwintering potential.
• Cereal rye was the only entry to
successfully overwinter and produce
spring growth and remains a strong
cover crop candidate even in the face of
a challenging winter.

August 19, 2014 

RESEARCH REPORT