Maximizing Corn Yield

Given today’s high-yielding corn genetics, favorable crop prices and volatile input costs, getting the most out of every acre is more important than ever. But how do you do this efficiently and affordably? And what can we learn from the production practices of past corn yield challenge winners?

That was the subject of CropLife Media Group’s recent webinar, “In­novative Fertilizer Strategies for Max­imizing Corn Yield,” presented by Wolf Trax Director of Research and Development Mark Goodwin.

Instead of starting with the traditional areas of NPK and crop protection products, Goodwin assumed that most growers have this area well under control. Instead, he focused on the small and relatively inexpensive “tweaks” that high-performance growers can focus on to get the yield jumps. These tweaks include an often overlooked but essential nutrient: zinc.

Most growers are familiar with the concept of the “Law of the Minimum,” which states that the most limiting nutrient limits yield, regardless of how much of other nutrients you apply.

“Building yield potential is similar to building a barrel,” said Goodwin. “Each stave in the barrel represents an individual nutrient. No matter how tall the other staves are, the shortest stave determines how full the barrel can be. Zinc can sometimes be the lowest stave — or the limiting nutrient for maximum yield potential. No matter how much NPK you apply, if zinc is short, yield will only reach the amount zinc allows.”

He also noted that the barrel is changing in today’s corn production. “With recent advances in yield potential due to genetic and technological traits, the barrel has become bigger and taller,” he noted. That means bigger yields — but also an increase in overall costs (and risk) to make sure the correct nutrient balance is in place.

Get Your Zinc In Sync

Goodwin shared information from Ohio State University that showed the zinc to P ratio is especially important in maximizing yield; a ratio of 100 or 150 to 1 should be maintained. Data from the University of Minnesota showed that where soil zinc levels are low, increasing P did not result in higher yields unless zinc was applied as well.

Goodwin recommended growers using Variable-Rate Technology should increase or decrease their zinc level in tandem with their phosphorus. Wolf Trax DDP Fertilizer coating technology enables growers to meet this nutrient need efficiently and easily. Because each and every prill of fertilizer is coated with Wolf Trax Zinc DDP, the nutrient balance is easy to maintain. As P application increases, the zinc coating ensures zinc levels increase as well.

The second reasonably priced step Goodwin recommended for corn growers is to pay extra attention to their crop’s zinc needs. Several indicators can help growers check for zinc deficiency, including soil tests, tissue tests and visual deficiency symptoms of past crops. “Paying attention to zinc levels is especially important in high P soils,” he said.

What Are High Yield Growers Doing?

Lastly, Goodwin noted that traditional approaches to micronutrient application may no longer work when growers are aiming for “shoot for the moon” yields. He referenced recent corn yield challenge winners, noting their yields are consistently 100 bushels per acre higher than the national average. One production practice the majority of these growers employ is to seed early and use a fertilizer strategy designed to help the plant cope with unfriendly cool and wet soils. For these growers, use of a micronutrient package along with starter fertilizer was the key.

“Micronutrients — especially zinc — and starter fertilizer is a foundation for seeding early into cold soils,” said Goodwin.

Wolf Trax has two products that help growers achieve early zinc uptake, including Zinc DDP as a fertilizer coating, and PROTINUS, a seed-applied fertilizer. “Zinc DDP, coated on fertilizer, delivers a blanket-like coverage to the field, ensuring early plant root access as soon as it hits the N, P or K fertilizer,” said Goodwin. This compares to traditional granular zinc that is unevenly and sparsely distributed across the field, which may lead to a delay in uptake.

PROTINUS delivers a small amount of zinc directly to the seed, which is available as soon as it begins growing, resulting in earlier emergence, larger and more robust seedlings and a bigger root system. This all adds up to help the plant cope with early season stress. “The early plant health benefits of PROTINUS make it a great tool for growers hoping to seed early into cold, wet soils,” said Goodwin.

Leave a Reply

Micronutrients Stories

Corn Field
MicronutrientsHuma Gro Introduces New Boron Liquid Nutrient Formulation For Crops
August 28, 2015
BORO-MAX, a new boron (B) 10% liquid nutrient formulation, has been added to the Huma Gro product line. This new Read More
Crop InputsWinField: Here’s What We’re Seeing So Far This Season
June 25, 2015
One of the most important things you can do throughout the season to help increase yield potential is to ensure Read More
MicronutrientsVerdesian Life Sciences Invests In People, Agricultural Technology
June 22, 2015
In mid-February, the USDA released its new 10-year agriculture projections. While the numbers are new, the theme was consistent. The Read More
MicronutrientsHelena Launching Two New Products
May 11, 2015
Helena Chemical Co. is helping agricultural producers maximize yields and efficiency by introducing two new products: Receptor and MicroMerge 55441SP, designed Read More
Top 100 Articles
Crop InputsLand ‘O Lakes, United Suppliers Finalize Merger
August 24, 2015
According to a press release on August 24, owners of United Suppliers, Inc. and members of Land O’Lakes, Inc. “have Read More
West Central Cooperative, Jefferson, IA
CropLife 100Iowa Cooperatives To Explore Unification
August 19, 2015
The boards of directors at two of Iowa’s leading farmer-owned cooperatives yesterday signed a letter of intent to study the Read More
CropLife 100Southern States Coop Hosting Drone Flight This Friday
August 3, 2015
Southern States Cooperative — No. 9 on the CropLife 100 — is hosting an FAA-approved drone demonstration at Grandview Farms Read More
CropLife 100Aligned Ag Distributors Adds Four New Owners
July 30, 2015
Aligned Ag Distributors LLC has announced the addition of four new customer/owners to Franklin Holding Co. LLC. They are: The Read More
CropLife 100Pinnacle Purchases California-Based Specialty Crops Retailer
July 20, 2015
Pinnacle Agriculture Holdings has successfully acquired California-based NH3 Service Co.  Operating as part of Pinnacle’s Performance Agriculture brand, the new locations Read More
Asmus Farm Supply liquid fertilizer facility features 20,000 square feet
CropLife 100Slideshow: Asmus Farm Supply Shows Off Its New Liquid Fertilizer Facility
July 15, 2015
Asmus Farm Supply, Rake, IA, recently added a new liquid fertilizer facility to its company operations. The new liquid fertilizer Read More
Latest News
EquipmentDeere Announces Soucy Track Distribution Alliance
August 28, 2015
John Deere announces an alliance with Soucy Track to sell and distribute products through the John Deere dealer channel. “This Read More
FertilizerFall-Applied Phosphorus: A Rooted Investment
August 28, 2015
As commodity prices decrease and input prices continue to rise, farmers are seeking more efficient strategies for meeting a high Read More
Monsanto Sign
Crop InputsWhat’s Next For Monsanto, Syngenta?
August 28, 2015
After dropping its $47 billion bid to take over Swiss agribusiness firm Syngenta, Monsanto may be turning its focus to Read More
Golden Harvest Corn stalks
Crop InputsMonsanto: Syngenta Not The Only Horse In Crop Protectio…
August 28, 2015
Monsanto Co, having ditched an audacious $46 billion (£30 billion) offer for Syngenta AG, may downshift to a humbler strategy Read More
ManagementConsolidation hits and a miss; And a look at China’s ch…
August 28, 2015
As Monsanto suspends its pursuit of Syngenta, consolidation news at the retail and distribution level heats up. CropLife magazine’s Executive Read More
Corn Field
MicronutrientsHuma Gro Introduces New Boron Liquid Nutrient Formulati…
August 28, 2015
BORO-MAX, a new boron (B) 10% liquid nutrient formulation, has been added to the Huma Gro product line. This new Read More
Crop InputsNFU: Monsanto Decision To Withdraw Syngenta Bid ‘…
August 26, 2015
National Farmers Union (NFU) President Roger Johnson said the organization was very pleased by the news that Monsanto has withdrawn Read More
Crop InputsMonsanto Withdraws Bid For Syngenta
August 26, 2015
Monsanto Co. abandoned its latest effort to acquire Syngenta AG, the world’s top maker of pesticides, after a sweetened bid Read More
Syngenta Sign
Crop InputsSyngenta Comments On Monsanto Announcement
August 26, 2015
The Board of Syngenta confirms that it received a verbal proposal from Monsanto to acquire the company at a price Read More
Case IH Patriot 2250 Sprayer
EquipmentHigh-powered Case IH Patriot 2250 Sprayer Pushes Throug…
August 26, 2015
Engineered with more muscle, the new 660-gallon-capacity Patriot 2250 sprayer features best-in-class horsepower, along with the fuel efficiency that comes Read More
Crop InputsLand ‘O Lakes, United Suppliers Finalize Merger
August 24, 2015
According to a press release on August 24, owners of United Suppliers, Inc. and members of Land O’Lakes, Inc. “have Read More
TMX-2050 In-Cab Display Launch Run Screen
Eric SfiligojPrecision Ag Could Shine In Increased Spotlight On Agri…
August 24, 2015
By any measure, 2015 is turning into one of the most challenging years agriculture has ever experienced. All throughout good Read More
ManagementCrop Conditions In Minnesota and Traveling Time
August 21, 2015
Editors Paul Schrimpf and Eric Sfiilgoj discuss the crop outlook from a field trip to Minnesota and upcoming travel plans. Read More
HerbicidesREUTERS: Anti-GMO ‘Scientist’ Calls For New…
August 20, 2015
EDITORS NOTE: We feel that it is important to note that there are those that believe one of the lead Read More
Rendering of Syngenta Seedcare Institute expansion
Seed/BiotechSyngenta Announces Seedcare Application And Resource Ce…
August 19, 2015
Syngenta recently announced the Seedcare Application and Resource Center, a collaborative new website designed exclusively for Syngenta Seedcare customers to Read More
Winter Wheat
Industry NewsArysta LifeScience Announces Two New Regional Sales Man…
August 19, 2015
Arysta LifeScience North America recently announced Steve Vining and Phil Reding have each accepted new positions as Regional Sales Managers. Read More
West Central Cooperative, Jefferson, IA
CropLife 100Iowa Cooperatives To Explore Unification
August 19, 2015
The boards of directors at two of Iowa’s leading farmer-owned cooperatives yesterday signed a letter of intent to study the Read More
Golden Harvest Corn healthy leaves
Industry NewsAligned Ag Distributors Names Vice President, Crop Prot…
August 18, 2015
Aligned Ag Distributors LLC have appointed Warren Hragyil to VP Crop Protection. Hragyil comes to Aligned Ag Distributors LLC with Read More