Bac Corn Milo 294017708 Min

LandMark Implement Test Plots

LandMark has partnered with 360 Yield Center who offers products focused on managing the nitrogen applied to corn to get the greatest benefit. In many cases, these methods are very different than those that are used in most operations. We have set out to work with some of our local customers to compare nitrogen management practices with the intent to keep all other variables the same, as much as possible.

With the variety of field types and irrigation practices we see across LandMark’s footprint, we have spread out the plots into different areas including both dryland and irrigated fields. We are not just focused on growing the most bushels, but doing so in the most profitable manner. 

Nitrogen Management to Maximize Efficiency and Profit

  • ExactEmerge Planter
  • Active Implement Guidance
  • John Deere Variable Rate Application Controllers
  • 360 Bandits
  • 360 Y-Drops
  • 360 Fertilizer Tanks

Hastings Test Plot

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Irrigated Overview: The west half of the plot was planted with a John Deere ExactEmerge 1725 CCS mounted vertical fold planter which used the 360 Yield Center Management system. The customer planted the east half. The field had manure applied in prior years. The field was growing wheat when planted as a cover crop and corn was chopped for silage the prior year. Other than the Nitrogen applications, both sides were managed in a similar fashion.

Previous Crop: Corn for silage and growing wheat as a cover crop at planting.

Tillage Practice: No-Till

Target Population: 34,000 seeds per acre

Customer side (west side) of the plot fertilizer applications:

  • Side Dress Application: 63.5 gallons of 32-0-0

John Deere / 360 Yield Center (east side) of the plot fertilizer applications:

32-0-0 at Planting with 360 Bandits

  • 34 gallons

32-0-0 applied between V10 and VT (pre tassel)

  • Y-dropped on at 22.9 gallons per acre with John Deere R4038

Observations / Potential changes if we were to duplicate this in the future:

  • On 23.3 less pounds of total actual Nitrogen we are producing 22 more bushels (estimated bushels)

Lexington Test Plot

Overview: The e ast half of the plot was planted with an ExactEmerge and used the 360 Yield Center Management system. The customer planted the west half with a 1720 CCS planter with eSet seed meters. The field has had manure applied. The west part of the field was strip-tilled to apply fertilizer and create a seedbed. Other than the Nitrogen applications, both sides were managed in a similar fashion.

Irrigated

Previous Crop: Corn

Tillage Practice: Strip-Till

Target Population: 34,000 seeds per acre

Customer side (east side) of the plot fertilizer applications: 

Spring Strip-Till

  • 20 Gallons of 32-0-0

Starter at Planting

  • 3.1 Gallons of 10-34-0

Top Dress Dry

  • 100# of actual N (46-0-0)

John Deere / 360 Yield Center (east side) of the plot fertilizer applications:

32-0-0 at Planting with 360 Bandits

  • 20 Gallons

Starter applied at planting

  • 10-34-0 - 3.1 Gallons

32-0-0 applied between V10 and VT (pre tassel)

  • Y-dropped on at 27.49 gallons per acre with Hagie STS12

Observations / Potential changes if we were to duplicate this plot in the future:

  • We believe the entire plot should have been strip-tilled to make it more uniform between the two sides, but not apply the 32-0-0 to the east half. We believe the effect of this may be a reduced stand.

Smith Center Test Plot

Overview:  The field is broke up into five different sections with two larger sections planted with the ExactEmerge planter which used the 360 Yield Management system. The customer planted the other three sections of the field and both having similar amounts of the area of the field. The west section against the creek alternated planting between the customers planter and the JD/360 system. Other than the Nitrogen applications, both sides were managed in similar fashion.

Dryland

Previous Crop: Wheat

Tillage Practice: No-Till

Target Population: 24,000 seeds per acre on the bottom ground - 21,000 seeds per acre on upland ground

Customer side (east side) of the plot fertilizer applications:

Spring applied through the TAPPS System

  • 149# Actual N - NH3
  • 6.86 Gallons - 10-34-0
  • 2.94 Gallons - 12-0-0-26

At Planting: 

  • 2 Gallons of 10-34-0
  • 2 Gallons 32-0-0
  • 1 Quart Micro 500

John Deere / 360 Yield Center (east side) of the plot fertilizer applications:

At Planting with 360 Bandits

  • 25 Gallons - 32-0-0
  • 7 Gallons - 10-34-0
  • 3 Gallons - 12-0-0-26

At Planting in row

  • 10-34-0 - 2 Gallons
  • 32-0-0 - 2 Gallons
  • 1 Quart Micro 500

32-0-0 applied between V10 and VT (pre tassel)

  • Y-dropped on at 10 Gallons per acre with Hagie STS12 - This was done on 6 passes of 24 rows each. Remainder of the field did not receive this treatment

Observations / Potential changes if we were to duplicate this plot in the future:

  • None at this time

Beatrice Test Plot

Overview: 160 acres of dryland. Dry fertilizer was applied to the whole field last fall with a John Deere 2510S strip-till rig. The west half, end rows and one pass next to the east road was planted by the customer with his 1775NT with an Rx with an average of 27,000. The east 70 acres were planted with the 1775NT ExactEmerge at a flat rate of 27,000. Other than the Nitrogen applications, both side were managed in a similar fashion.

Dryland

Previous Crop: Soybeans

Tillage Practice: 27,000 seeds per acre

Customer Side (west side) of the plot fertilizer applications:

Strip-Till - Fall

  • 150# MESZ
  • 150# Urea

Starter at Planting

  • 3.2 Gallons of Impulse Starter

Side Dress Nitrogen

  • 271.4# Urea

John Deere / 360 Yield Center (east side) of the plot fertilizer applications:

Strip-Till - Fall

  • 150# MESZ
  • 150# Urea

Starter at Planting

  • 3.2 Gallons of Impulse Starter

28-0-0 at Planting with 360 Bandits

  • 10 Gallons 

28-0-0 applied between V10 and VT (pre tassel)

  • Y-dropped on at 19 Gallons per acre with Hagie STS12

Observations / Potential changes if we were to duplicate this plot in the future:

  • ExactEmerge visibly achieved a better stand of corn
  • would like to remove the Urea from the Fall Strip-Till operation and apply more liquid N in the spring with the planter to see if we can increase our Nitrogen efficiency per bushel.
  • On 38.7 less pounds of total actual Nitrogen we are producing 18 more bushels (estimated bushels)

Hebron Test Plot

Overview: The west half of the plot was planted with an ExactEmerge planter and used the 360 Yield Center Management system. The east half utilized spring applied NH3 and the customer planted it with their planter. Other than the Nitrogen applications, both sides were managed in similar fashion. 

Irrigated

Previous Crop: Soybeans

Tillage Practice: No-Till

Target Populations: 34,300 seeds per acre

Customer Side (west  side) of the plot fertilized applications:

NH3 - Spring Applied - Knife

  • 176.2# Actual N

Dry Application

  • 175# of 11-52-0

Starter at Planting

  • 6.5 Gallons of 10-34-0 Starter

Applied with Pre Emerge herbicide

  • 10 Gallons of 32-0-0

John Deere / 360 Yield Center (east side) of the plot fertilizer applications:

Dry Application

  • 175# of 11-52-0

Applied with Pre Emerge herbicide

  • 10 Gallons of 32-0-0

Starter at Planting

  • 5 Gallons of 10-34-0 Starter

32-0-0 at Planting with 360 Bandits

  • 33.7 Gallons

32-0-0 applied between V10 and VT (pre tassel)

  • Y-dropped on at 20 and 25 Gallons (for comparison) per acre with Hagie STS12

Observations / Potential changes if we were to duplicate in this plot in the future:

  • When making the Nitrogen application recommendations prior to Y Drop, we missed the 10 gallons of 32-0-0 that was applied with herbicide. Ideally we would have reduced our Y-Drop application by 10 gallons and applied less Nitrogen than the customer.
  • Tractor broke down on the JD/360 YC side at the beginning of planting which resulted in being 4 days later than the east sides planting date.

Click here to download the full Plot Summaries