ANDY ANDREWS
Lancaster Farming Staff
NEW HOLLAND (Lancaster
Co.) Increased carbon dioxide
in a greenhouse may result in a bet
ter tomato crop yield, said Mike
Orzolek, Penn State extension
vegetable specialist, on Monday at
the New Holland Vegetable Day at
Summit Valley Elementary
School.
“Increased lighting does not
yield a better tomato harvest in
greenhouses,” said Orzolek to
about 75 vegetable farmers from
around the Susquahanna Valley.
Farmers often fail to consider
proper greenhouse ventilation.
“Ventilation is also critical, and
fans with two speeds work best,"
said Orzolek.
“Some will try to sell you the
Dutch house passive ventilation
type of system,” he said. “But
passive ventilation does not work
in Pennsylvania. It works only if
they put in fans with active
ventilation.”
A nutrient injection system is
also a large part of the greenhouse
process. Orzolek examined the
various stages toward growing
good plants, through the tradition
al methods and with hydroponics.
Proper feeding, pruning, and trans
planting will help ensure a good
crop harvest
Orzolek was one of nine speak
ers invited by the Penn State Col
lege of Agriculture cooperative
extension to the New Holland
Vegetable Day. Included in the
seminar were subjects ranging
■ from vegetable varieties, weed
control, managing roadside stands,
and greenhouse pesticide manage-
ment to bee management trans
plant management and dried flow
er production. In addition, the
seminar also included topics such
as managing roadside stands, plant
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Farming South America Style
Yes, would you believe It? At left, maze mushroom, better known as corn smut, Is a real delicacy, says Cristina
Arnold, from El Aficionado, right, who buys sweet corn ears infected with the mold. Her company was on hand at the
New Holland Vegetable Day at Summit Valley Elementary School on Monday. In this case, the gourmet dish has been
seasoned with onion, garlic, and Poblano chile. The gourmet food has only 29 calories per 100 grams and a mere 0.4
grams of fat. “I’m interested in people who are growing sweet corn and buying the com which has the mold.” She is
looking for young, fleshy ears approximately sto 7 days before harvest. She’ll pay $1.50 to $2.00 a pound for the—uh,
let’s put It another way Huidacoche. Photos by Andy Andrtws.
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propagation, vegetable diseases,
and management practices for
optimizing vegetable production.
Foliar fertilizers, a vidtfo on fruit
tree pruning, greenhouse seedling
diseases, tree fruit managment, the
use of plastics and rye wind
breaks, and a pesticide license
update rounded out the seminar.
“The New Holland Vegetable
Day gets growers together to tell
them about new equipment and
Attending the “Meet With Speakers” session at the New Holland Vegetable Day are,
from left to right, Ed Kee, vegetable specialist from the University of Delaware, who
spoke about vegetable varieties; Larry Yager, extension marketing specialist, who
spoke about managing roadside stands; Wayne Beislnger, from Masonic Homes, who
spoke about tree fruit management; Ray Good, who spoke about greenhouse see
dling diseases; and Alan McNab, from the Penn State extension office, who spoke
about vegetable diseases.
MILK.
IT'S FITNESS
YOU CAN DRINK.
Lwcwttf Farming. Saturday. Ffbruary 24,1990-817
procedures used in the industry,”
said H. Bruce Hellerick, Lancaster
County extension agent. ‘ ‘Farmers
from all over die county, and many
from out of state, are invited to
attend.”