D2-Lanc«ster Fuming Saturday, July 6,1991
Penn State Offers Master Gardener Program
LANCASTER (Lancaster
Co.) — If you have a little free
time, you can become one of the
most skilled gardeners in the
county. The Lancaster County
Cooperative Extension is planning
a Master Gardener Program to be
held throughout this fall. All you
need in order to apply is a genuine
interest in gardening.
‘The purpose of the program is
two-fold,” said Bruce Hellerick,
horticulture agent. “First, we
would like to make you the best
general horticulturist possible. At
the same time, we want to better
serve Lancaster County by using
your new skills and talents to help
teach the people of the county.”
Educational sessions are sche
duled for a 11-week period begin
ning on August 19. Sessions will
meet on Wednesday from 9 a.m.
to 11:30 a.m. at the Farm and
Home Center in Lancaster.
Topics lo be taught during the
course include:
• Plant science
• Entomology
• Soil science
• Plant pathology
• IPM/pesticide safety
• Pruning theory
• Turf culture
• Communications
• Plant propagation
• Woody ornamental selection
and care.
In addition, you will be
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expected to attend a Saturday vice (answer home gardening schools). covers the cost of the handbook
workshop in early spring. questions in person and by phone). At the end of your training and and name pin.)
In return for the course and • Horticultural office staff service, you will be awarded a A personal interview and pre
workshops, you will be asked to (maintain materials for office Penn State Master Gardener’s test will be scheduled in July once
volunteer 50 hours of your time to files, notebooks and computer). Certificate from Penn State’s your application has been com
the Lancaster County Cooperative • Exhibit coordinator (develop Dean of Agriculture. pleted and returned.
Extension. This year we are seek- exhibits that depict horticultural It is important that you realize if you have a real interest in
ing volunteers who have a partial- programs offered by cooperative that this is a complete course and gardening and would like to
lar interest in the following areas: extension). th at all classes must be attended as become a Master Gardener, con
• Idea garden (work with other • Meet the plants (provide edu- part of the program, said Heller- tact Lancaster County Coopera-
Master Gardeners to develop and cational programs on plant ick- Enrollment is limited. tive Extension, c/o Master Gar
maintain the Idea Gardenl. botany, identification, culture and Cost for the program is $25 dening, 1383 Arcadia Road,
• Horticutural answering ser- ca re to youth in elementary payable upon acceptance. (This Room 1, Lancaster, PA 17601.
Extra Minerals May Increase Milk Production
GAINESVILLE, Fla. Re
cent research at the University of
Florida indicates that increasing
the concentration of certain die
tary minerals may help dairy cows
cope with the effects of heat
stress, according to Florida’s Dr.
Barney Harris Jr.
“The work suggests that in
creasing the concentration of mag
nesium, potassium, and sodium
above the guidelines set by the
National Research Council will
increase dry matter intake and
milk production during hot weath
er,” said Harris, a professor of
dairy nutrition and a leading au
thority on heat stress in dairy cat
tle.
NRC recommendation for high
producing cows call for 0.25 per
cent magnesium, 1.0 percent po
tassium, and ).18 percent sodium
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in the ration on a dry matter basis.
Harris recommends increasing
these amounts to ).3 percent, 1.5
percent, and 0.4 to 0.6 percent, re
spectively, during periods of heat
stress.
‘The cows in the trials receiv
ing the extra minerals produced
two to three additional pounds of
milk per day, for each of the three
minerals tested,” Harris said.
“While the effects may not be ad
ditive, each of these minerals
showed a positive response in
milk production. They also exhib
ited fewer physical indications of
discomfort than the control cows.”
The higher levels of magnesium
and potassium can easily be reach
ed by increasing the amount of a
complete mineral mix, he said.
But to reach the high level of sod
ium, it my help to feed a rumen
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take substantially.”
Dr. Tom Sweeney, manager,
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commends feeding sodium bicar
bonate at 1.5 percent of the grain
ration or 0.8 ounces per 10 pounds
of milk produced per cow per day
throughout the year. Either
method of calculation will supply
sodium at 0.27 percent of dry mat-
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ter to a cow producing 100 pounds
of milk consuming 50 pounds of
dry matter, he said.
“This is roughly half the
amount of sodium Harris recom
mends,” he said. “Feeding sodium
bicarbonate also may help cows
cope with fluctations in feed in
take that often occur during heat
stress.”
Harris cautions that exceeding
the NRC recommendations for
these minerals only applies to ra
tions for lactating cows. Dry cows
receiving excessive mineral
amounts may show a higher inci
dence of udder edema.
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