A36-tjncasl*r Farming, Saturday, May 13,1995
DHIA Members
Need To Vote
Chester County DHIA members
need to vote on the proposed mer
ger with Pennsylvania DHIA.
They can return their ballots by
May 18, or attend the director’s
Nutrient Management Seminar
(Continued from Pag* A3l)
p.m. to 3 p.m., at the specified
sites. No registration is needed.
On May 23, a demonstration is
to be held at the Westmoreland
County Extension office; on May
24 in the Penn State Agricultural
Sciences and Industries Building
(ASIB), Rm. 118, University Park;
and on May 25 in the Berks County
Registration is needed, because each work
shop is limited to 18 participants each because
of computer access.
These workshops are designed to be full
day, hands-on, computer training sessions.
Three dates have been scheduled July
10, 12, and 21 all to be held at the Main
Campus of Penn State University, in State
College.
For more inforamtion on the computer
workshops call Pete Bohn at (814) 865-3774.
Or fax a registration to (814) 863-7043.
Background Training
For those wishing to develop or enhance
their knowledge of background subjects neces
sary as a prerequisite to being able to com-,
prehend and complete nutrient management
planning training, a series of September work
shops have been planned to be held at the Main
Campus of Penn State University.
These workshops will not qualify a particip
ant for credits necessary for certification as a
nutrient management, but they will help those
who intend to participate in mandatory training
sessions to be scheduled.
Because the regulations aren’t expected to
be finalized until at least early fall, an official
certification program can’t begin until after
ward. In the meantime, education toward even
tual certification can proceed.
Dr. Douglas Beegle and Bohn, of the PSU
Agronomy Department, as well as representa
tives of the NRCS, DER, the state Conserva
tion Commission, and vocational-agriculture
educators have been working together in deve
loping an effective, ongoing educational prog
ram that supports the certification of nutrient
management planners.
That work is ongoing and proceeding well.
The background workshop series were
designed by Beegle and Bohn specifically as
opportunities for those who could use the edu
cation or refreshing in the subjects in order to
be prepared for the eventual certification
courses and examinations.
Specifically, on Sept. 12, a conservation
planning workshop is to be held; on Sept. 19, a
workshop dealing with soil fertility is sche
duled; and on Sept 26, a workshop on manure
management has also been set.
To register for any or all of these workshops,
call Bohn, or fax a registration.
Interagency
Newsletter
For those who would like to register to
receive a free copy of the official Pennsylvania
Interagency Nutrient Management Newsletter,
a periodic publication devoted to the issue,
send a letter requesting it, along with your
name and address to: Pennsylvania Interagen
cy Nutrient Management Newsletter, 116 ASI
Building, University Park, PA 16802.
The newsletter was created to serve as a cen
tralized source of information on nutrient
meeting on that date at the Chester
County Extension office, Suite
370, in the Government Services
Center, 601 Westtown Road, West
Chester.
Members not casting a vote will
be counted as a “yes” vote, approv
ing the merger.
Tunnel Ventilation
(Information in this part of the
column is excerpted from a fact
sheet by Dan McFarland, Penn
State Extension agricultural
engineer.)
Those hot, steamy days of sum
mer will be here before we know it
And, along with them will be a
drop in milk production, unless
some plans are made for summer
time cow comfort.
One of the ideas that has gained
Extension Office.
According to Peter Bohn, one of
the creators of the program, the
demonstrations are mainly to
allow people interested in using
the software to see how it is used.
Registration is needed, howev
er, in order to attend one of a series
of three actual workshops sche
duled for July.
popularity in recent years for stall
barns is “tunnel” ventilation.
Cows can produce 5 gallons or
more of moisture per day through
respiration. There needs to be an
air exchange in the bam to remove
this moisture, introduce fresh air,
and reduce hot spots.
When the temperature exceeds
75 degrees, cows really appreciate
a breeze of 2 to 5 miles-per-hour. A
properly designed tunnel ventila
tion system will provide unifrom
air movement the entire width of
the bam feed alleys, service
alley, and over the cows.
Tlie system is simple.
Put fans at one end of the bam to
draw air from inlets at the opposite
end. Most systems are designedfor
a 2,5 mph “breeze” (220 fect-per
minute) or greater, which results in
the air in the housing area being
exchanged in one minute or less.
The key measurements are:
• The width times the height of
the housing area, multiplied by the
desired air speed in fect-pcr
minute, results in the total fan
capaticy required.
As an example, a 38-foot wide
bam, that is 8 feet high, results in a
surface area of 340 square feet.
Multiplying the 304 square feet
times an air speed of 220 feet-per
minute results in a fan requirement
of 66,880 cubic feet per minute
(cfm).
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Blenders
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Sprayers
Post-emerge Sprayers
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• The inlet area size is calcualted
by multiplying 2.S square feet of
inlet for every 1,000 cfin of fan
capacity.
As an example, using the above
fan capacity, multiply by 2.S
square feet by 67 (a rounded off
figure from taking 66,880 cfm
divided by 1,000 cfm) and the
result is 168 square feet of inlet
needed. (Using the width of the
bam as the limit for one side of the
vent opening needed, divide that
into the square feet of inlet
AG CHEMICAL HANDLING EQUIPMENT
Stoltzfus, Willmar (1.5 ton to 15 ton)
Stoltzfus, Willmar (10 ton to 22 ton)
Stoltzfus, Willmar (5 to 8 ton)
Willmar (6 to 24 ton)
Willmar (20 to 36 cf buckets)
R & R, Speed King
R & R, Speed King
Agrotec, Jacto
Willmar Air Ride
Precision, AgChem (slip-in)
Stably
Overum Tive
Willmar, Spray Air
Snyder, Ace, Mid-State
Hypro, Ace, Defco, Shurflo
KZ, Banjo, Precision
Mid-Tech, Raven, Micro-Trak,
DICKEY-john
Tee Jet, Lurmark, Delavan
RHS, Richway, AgChem
Strainers, pressure gauges, solenoids,
nozzle bodies
STOLTZFUS
CHESTER COUNTY DHIA-Aprll 1995
Cows producing over 800 lbs. protein are
Name Breed Age Milk Fat
Joseph & Sandra Lusby
Gem H
Ken & Marilyn Umble
Myra H
Gerald L. Kulp Sons
100 H
249
Ardrossan Farms
BR Tree
T Bell
Merle J. King
Nancy
Florie
Dunwood Farm
Dori
Crystal-Ray Farm
Peg
Melwood Farm
Secret
Ollie
Tonia
Breck-A-De-Farm
57
177
Pei Valley Farm
93
needed.) This requires an opening
of about 4.5 feet high and 38 feet
wide, at the opposite end of the
bam.
Some key points to remember
when installing and operating a
tunnel ventilation system are:
1. It is basically a hot weather
system and will not be effective in
cold weather. An alternate system
is needed for wintertime.
2. A “trap-door” type opening
with mesh or grating over the inlet
(Turn to Pago A3B)
25,607
1-11
1072
25,967
4-11
28,768
24,548
6-04
4-02
734
1088
28,112
24,637
4-03
3-11
24,872
23,371
6-03
3-05
27,525
3-01
1154
26,090
6-00
28,587
26,771
28,564
5-08
3-00
3-03
945
966
1202
26,357
32,485
6-09
5-10
934
1176
27,070
6-08
Precision Safety Equipment
Masks
Repirators
Spill response kits
Decontamination kits
Gloves
Goggles
TVvek suits
Basic Necessities
Bearings
Bushings
Hydraulics:
Pumps
Motors
Hoses
Cylinders
.Couplings
PTO units and shafts
Universal^
Gear boxes
Spindles
Sprockets
Roller Chain
Pro
888
834
830
806
803
870
845
931
804
867
833
816
824
944
874
828
902
854
905
801
949
884
817