7.10.09
KyCGA helps make production information more accessible for
growers
KyCGA
is now printing a portion of the UK Corn & Soybean Science
Group Newsletter. A printed copy will be sent to every
member with the regular KyCGA newsletter this month. Future
issues will also be mailed to members. This comes after UK's
announcement that they would no longer be able to print the
newsletter due to cost. The entire electronic version will
still be available on UK's Extension Web site at
www.uky.edu/Ag/CornSoy/.
July Issue includes:
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6.26.09
Nitrogen Deficiencies Found in Corn

Photo courtesy of University of Kentucky
With most of the state's corn emerged and
rapidly growing, some producers are seeing yellowing on the
veins of leaves, says UK grain crop specialist Chad Lee.
This yellowing is called interveinal chlorosis and is caused
by a nitrogen deficiency. It is a common occurrence in many
fields and may show up and disappear throughout the growing
season. If the nitrogen deficiency becomes more severe
before plants begin to allocate nitrogen to the ear, the
lower leaves will begin to turn yellow, starting at the leaf
tip and going up the mid rib of the leaf.
Read more
Insect Damage to Corn
Seedlings
By Ric Bessin, UK Extension
Entomology Specialist,
Ky Pest News
There are a number of causes for damage to young corn
seedlings including diseases, weather and storm related
causes, herbicides, even rodents and larger mammals.
When diagnosing damage in the field it is important to
keep an open mind to all potential causes and to look
carefully for symptoms not only on and around individual
plants, but also to look for patterns of damage down the
row and throughout the field. This article will help to
categorize the type of insect damage that is common
early in the season on young seedlings.
Read more
5.8.09
Late-planted corn faces
different set of insects

Cool
temperatures coupled with periods of rain have kept much of
the state's corn out of the ground. As producers hustle to
compensate for lost planting time, they should be aware that
late-planted corn could present a different insect scenario
this year.
The good news is the state's late-planted
corn is not likely to see increased problems with corn
rootworm and is likely to see reduced wireworm damage.
However, several pests do not arrive until later in the
season, and these pests could pose the greatest threat to
yields.
Read more
5.8.09
Waiting to plant could be more
beneficial than mudding in corn

The
last weekend in April provided the first opportunity for
many Kentucky farmers to plant corn this season. To make up
for lost time, some may be tempted to plant in
less-than-ideal conditions, but waiting for better weather
could help maintain yields, said Chad Lee, grain crops
extension specialist with the University of Kentucky College
of Agriculture.
"Mudding in corn creates compaction, which
causes limited growth potential and limited nutrient intake
and results in yield losses far worse than waiting two or
three days to plant corn under better weather conditions,"
he said. "The challenge is being patient enough to wait on
those extra days of dry weather, while knowing you have a
lot of acres that need to get planted."
Read more
4.20.09
Compendium of Research
Reports on Use of Non-Traditional Materials for Crop
Production
from Iowa State University
3.13.09
Fertilizer Outlook
In two separate presentations this week
sponsored by the National Corn Growers Association (NCGA),
experts in the fertilizer industry explained the 2008 price
spike and subsequent drop for farm nutrients and discussed
what growers can expect in the coming year.
Read
more |
View the Presentation