getting the most out of your manure · eight rows of trenches that are 2 inches wide, 3 feet deep...
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Getting the
Most Out of
Your Manure Bill Verbeten
Regional Agronomist
Cornell Cooperative Extension
NWNY Dairy, Livestock, & Field Crops Team
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Take Home Point
There are many practical, cost-effective
manure management practices can be adopted on farms of all sizes.
Bill Verbeten Cornell Cooperative Extension
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Outline of Practices
Feed Management
Separation Systems
Covers for Storage Facilities
Manure Application
Cover Crops
Grazing
Land Swapping
Bill Verbeten Cornell Cooperative Extension
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Feed Management Reduce P in rations to NRC recs.
Why? Save $15/cow/year & spread manure on more acres.
Bill Verbeten Cornell Cooperative Extension
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On Farm Example Kevin Buttles, a dairy nutrition consultant with
Cooperative Services in Denmark, Wisconsin has about 20 farmers who, for the past 4 to 5 years, have been feeding their cows phosphorus at NRC recommended levels with “absolutely no repercussions” on milk production and herd health.
The only change dairymen have noticed is a positive one—it takes less land to apply manure according to phosphorus limitations.
Bill Verbeten Cornell Cooperative Extension
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Feed Management
Accurately feed the right amount of CP
Why? Above~ 16.7% CP, nitrogen goes out the back end in the urine as NH3.
Bill Verbeten Cornell Cooperative Extension
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CP in Rations 1. Regularly test all sources of CP
2. Feed both corn silage & haylage along with
processed grains—improves rumen fermentation.
3. Balanced rumen degraded and un-degraded
protein.
4. Group cows by milk production and keep DMI high.
5. Monitor milk yield when lowering CP.
Bill Verbeten Cornell Cooperative Extension
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Separating Systems
Remove manure liquids from manure
solids
+allows for smaller, cheaper manure
storage system
-have to deal with both solids & liquids
-may not pencil out on a small scale
Bill Verbeten Cornell Cooperative Extension
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Separating Systems
Roller Presses Video
Rotary Screens Video Video
Screw Presses Video
Weeping Wall Basin
Bill Verbeten Cornell Cooperative Extension
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Separated Liquid
Apply with
A giant sprinkler gun
Irrigation equipment
K-Line pods
Bill Verbeten Cornell Cooperative Extension
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Problems with manure liquid
Bill Verbeten Cornell Cooperative Extension
Wrong screen size leads to
solids in manure and
plugged hoses
Uneven
application & a big
stinky mess if not
managed properly
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Separated Solids
Bill Verbeten Cornell Cooperative Extension
Land apply
Compost
Possible use as
bedding
Sell
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Covering Manure Storage
Keep the extra water out ~40 in/yr.
And keep the smell in.
But it’s anaerobic…
Bill Verbeten Cornell Cooperative Extension
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Manure Application Bottom line:
Get it in the ground.
Bill Verbeten Cornell Cooperative Extension
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Manure Application
Bill Verbeten Cornell Cooperative Extension
Injection with a
drag hose
Injection with a
tanker
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Manure Application
Bill Verbeten Cornell Cooperative Extension
Solid manure
injection
“The machine creates eight rows of trenches that are 2 inches wide, 3 feet deep and about 12 inches apart, using rotating augers to deposit the litter below the surface and covering the trenches,” she said. “The augers help break up large chunks of litter into a fine material that is better deposited into the soil. Ohio State
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Manure Application
If not able to inject, till the manure into the ground immediately after application.
Bill Verbeten Cornell Cooperative Extension
0
20
40
60
80
100
NH3 N
Conserved
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Cover Crops
Small grain cover
crops can
remove 80-120
lb/A of Nitrogen
Small grains are
high yielding, high
quality forages.
Bill Verbeten Cornell Cooperative Extension
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Cover Crops
In 2013 nitrogen study 1/3 of the fields showed no response.
Likely due to long-term manure applications.
Bill Verbeten Cornell Cooperative Extension
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Spread Manure By Grazing
Rotational Grazing
Greatly reduces manure storage and handling costs.
Urine immediately incorporated into the ground.
Bill Verbeten Cornell Cooperative Extension
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Spread Manure By Grazing Crop Stubble, Standing Corn,
or Bale Grazing
30-40% of manure is from non-lactating cows & heifers that do not need to be confined.
Same benefits as pastures for manure management.
Improved crop yields documented in WI & Great Plains
Bill Verbeten Cornell Cooperative Extension
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Land Swapping
Manured land is like a bank account.
Rent it to a vegetable farmer.
Very common in NY.
Bill Verbeten Cornell Cooperative Extension
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Take Home Point
There are many practical, cost-effective
manure management practices can be adopted on farms of all sizes.
Bill Verbeten Cornell Cooperative Extension
![Page 24: Getting the Most Out of Your Manure · eight rows of trenches that are 2 inches wide, 3 feet deep and about 12 inches apart, using rotating augers to deposit the litter below the](https://reader034.vdocuments.us/reader034/viewer/2022052008/601cc84839ba9625c27fa8bd/html5/thumbnails/24.jpg)
Questions?
Bill Verbeten Cornell Cooperative Extension