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Manure Sampling
The
proper management of manure can greatly offset your commercial fertilizer
costs. Four important steps are required to use manure effectively
in a soil fertility program: 1) a complete soil analysis to determine
nutrient needs, 2) a manure analysis to determine nutrient content,
3) an estimate of nutrient availability in manure, and 4) estimation
of an application rate to supply a prescribed amount of available
nutrients. For more information go to the nutrient management section
of the following websites:
http://instruct1.cit.cornell.edu/Courses/css412/mod2/ext_m2_pg3.htm
or
www.das.psu.edu
Instructions
Sample
Collection The sample should be representative of the entire
material being sampled. Storage areas should be sampled each time
they are emptied. Daily spread operations should be sampled four
or more times per year throughout the year to obtain a good average
nutrient value. Where bedding is used, samples should include both
bedding and manure. Sampling is best done from the spreader when
manure is being loaded from the barn or storage. This will provide
the most representative sample of the nutrient content at time of
spreading.
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Liquid storage
Agitate and thoroughly mix before sampling. Make a dipper
by fastening a plastic cup to a broomstick and take a sample
or two from the tank spreader and place in a pail. Do this for
multiple loads as the storage is being emptied.
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Non-liquid
storage Use a garden trowel and pail to collect a sample
of manure from various spots on a load. Do this for representative
loads as the storage is emptied.
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Daily spreading
Use a garden trowel and pail to collect a sample of manure
from various spots of the spreader. Sample the load(s) for 2
to 3 consecutive days.
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Immediately
after sampling the load, thoroughly mix contents of the sampling
pail, remove a small amount with a spoon and place in the plastic
jar provided, then cap tightly and freeze immediately. Collect
several subsamples from different loads on different days and
add each new subsample to the jar of frozen material and refreeze
immediately. Do this until you feel that you have a representative
bulk sample. Be sure that the bottle is at least ¾ full,
but no more, to allow room for expansion. Properly preparing
the sample is very important to prevent ammonia loss.
- Wipe container
to remove any manure that may have spilled down the sides. Outside
of container should be clean prior to shipping. Secure lid firmly.
Tape if necessary to prevent spillage.
Handling
and Shipping
- Fill out
the information sheet completely and accurately.

- Payment options.
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Include
a check for $35.
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Bill
to herd code or agriservice account number.
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Bill
to VISA or MasterCard. Include card number, expiration date,
name as it appears on the card and signature.
- Send by express
service (FedEx, UPS, etc.) or drop off at your nearest Dairy One
pick-up point . Contact your Dairy One Region Manager for details
regarding pick-ups.
All fields should
be regularly soil tested. Testing is essential to meet plant nutrient
requirements for maximizing economic yields. Use the information
from the soil and manure analyses to develop your nutrient management
plan. For additional information, contact your local Cooperative
Extension Agent.
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