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Sharla and Jim Rand
Parker, SD
"We have used and sold Great Lakes Hybrids for over 15 years. The quality and performance are second to none.
Great Lakes is big enough to deliver and yet small enough to care. It is truly nice to feel like part of the GLH family both in traveling and communication.
We believe that the level of service we receive is the best in the industry. "
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G3: The choice for your corn-on-corn acres!
Iowa State recently published an article about the yield penalty from corn-on-corn acres to be about 9% off the yield potential from rotated corn acres.
Our agronomy staff went through several years of yield data looking at the G3 hybrid series in both continuous and first-year corn situations.
In more than 600 locations, the G3 hybrid yield advantage over the non-RW counterpart more than doubled in corn-on-corn situations with root and stalk lodging numbers decreasing by more than 50%.
Dramatically better yield, better stand
and increased profitability.
Do the simple G3 math.
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Issue: #42
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April 16, 2007
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Dear Clint,
Welcome to our weekly agronomic newsletter. Feel free to forward this email to any corn or soybean producer you think might benefit from this weekly newsletter.
Remember to check the agronomy article archives, as we are posting about 20 new agronomic articles every week on the website. |
Corn and cold, wet weather
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Corn growers who are among the few with fields
planted, need to cross their fingers says University of Illinois Extension crop specialist
Emerson Nafziger.
"Wet soils and soil temperatures in the 30s are very
hard on corn seed and seedlings. Even the "stress" cold test is
conducted at 50 degrees, so it probably does little to predict seed's
ability to emerge when temperatures are 40 or less. While we are
confident that corn seed can lie in cold soil for several weeks without
great harm if the soil is dry, we have no such confidence when the soil
is wet."
Corn needs about 110 growing degree days
in air temperature after planting to emerge, says Nafziger, "Not having seed planted during the kind of weather we are
experiencing is no disadvantage, when the prospects for planted seed
are so dim and when plants in the field are not able to grow anyway."
But look at your planting date:
- Corn planted by March 25 might have emerged, but was seriously damaged.
- Corn planted after March 26 has probably not emerged, but may not be safe.
- Corn planted by April 1 is unlikely to emerge much before April 25, if it warms up.
Here are several good articles on this topic:
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No-tilling continuous corn management
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 The University of Nebraska has posted a series of articles on management for no-till corn-on-corn.
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Croplife: Rootworm in Corn-on-Corn
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 The current high demand and market value of corn makes continuous
corn attractive to producers, but it will also attract more rootworm
pressure than usual, a South Dakota State University specialist warns.
SDSU
Extension Entomologist Mike Catangui says in fields seeded to
continuous corn, rootworms have a continuous food supply, resulting in
the buildup of rootworm infestations of cornfields over several years.
"Roots
of corn are the exclusive food of rootworm larvae; they cannot normally
survive on roots of soybean, wheat, sunflower, and alfalfa," Catangui
says. "It is this almost complete dependence on corn that makes
rootworm larvae vulnerable to crop rotation. Remove corn from the field
and rootworm larvae will starve to death due to lack of suitable food
for survival." Read the rest of the article here >> |
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