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Foliar nitrogen microbe fixer

NutriFoliar Plus

Live Azotobacter microbes on the leaf that pull nitrogen from the air for mid- to late-season needs.

Crops: Corn, Conventional and organic acres

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What it does

Our atmosphere is 78% nitrogen, but not in a form plants can use. NutriFoliar Plus contains live Azotobacters that live on the leaf and convert nitrogen from the air into a form the plant can absorb — up to 50 lb of nitrogen per application, lasting up to 45 days — while supplying vitamins B, C and E.

It can be applied mid to late season as a nitrogen boost, or as a rescue if corn is running out of nitrogen, when commercial fertilizer typically can only be applied until corn is knee to waist high. It can be used on sandy or low-CEC soils, fields with poor drainage, and during especially rainy growing seasons.

Benefits

Source: NutriFoliar Plus tech sheet

  • Provides up to 50 lb of nitrogen to the plant; lasts up to 45 days
  • Can be used as a planned nitrogen program or a late-season rescue
  • Contains live microbes that protect against diseases such as Rhizoctonia, Diplodia and Aspergillus
  • Provides vitamins B, C and E to the leaf
  • Non-toxic to plants, animals and humans; does not leave harmful residues
  • Suitable for conventional and organic certified production

Application

Rates are quoted from each source document and kept separate where sources differ. Always read and follow the product label.

Source: NutriFoliar Plus tech sheet and info card

Crop or programTimingRate
Corn — mixEvery application8.8 oz NutriFoliar Plus + 16 oz EnerG Plus in at least 10 gal water/acre
Corn — 1 application (50 lb N)Early to mid-August: August 1–10One pass
Corn — 2 applications (100 lb N)30–45 days apart. 1st: July 1–10 · 2nd: August 10–15Two passes
  • Do not mix with treated water that may contain chlorine, antiseptics or copper.

Field data

Corn, Buffalo Center, IA

NutriSoil Plus + NutriFoliar Plus vs. a full commercial nitrogen program

  • 180 lb commercial nitrogenCheck

    300 lb urea $116 + 200 lb AMS $50

    249 bu/ac

    $166.00 inputs/ac

  • 42 lb nitrogen + NutriSoil Plus + NutriFoliar Plus

    200 lb AMS $50 + NutriSoil Plus $20 + NutriFoliar Plus $40 (2 applications)

    238 bu/ac

    $110.00 inputs/ac

Conditions: Left of the flag: 180 lb nitrogen (300 lb urea + 200 lb AMS). Right of the flag: 42 lb nitrogen (200 lb AMS) + NutriSoil Plus in-furrow + NutriFoliar Plus applied mid-July and mid-August.

Keep in mind: This case study from Buffalo Center, IA did not follow AP's recommended Nitrogen application program. Trial done for testing purposes only. Individual results will vary.

Open the trial sheet (PDF, 1.8 MB)

Organic corn, West Bend, IAAP 1053, corn on soybeans

NutriFoliar Plus at tassel on organic corn

  • NutriFoliar Plus at tassel

    221 bu/ac

    $1,910.66 net return/ac

  • No NutriFoliar PlusCheck

    202 bu/ac

    $1,765.48 net return/ac

Conditions: Field had 4,000 gallons of finisher hog manure and 2.5 tons of chicken litter.

Net return priced at $9.00/bu less product and drying cost, as reported on the trial sheet.

Keep in mind: One of several side-by-side comparisons on this sheet; see the full sheet for all hybrids. The trial year is not stated. Results in your fields will vary.

Open the trial sheet (PDF, 100 KB)

Corn, West Bend, IA, sampled July 9, 2021

Leaf tissue nitrogen, NutriFoliar Plus vs. none

No NutriFoliar Plus

  • AP-6713.35%
  • AP-6693.69%
  • AP-5003.36%
  • AP-5152.93%

NutriFoliar Plus

  • AP-6723.76%
  • AP-6733.76%
  • AP-6703.86%
  • AP-6653.65%

Keep in mind: Tissue nitrogen from a single sampling date. It doesn't measure yield, and results in your fields will vary.

Open the lab report (PDF, 180 KB) for phosphorus, potassium and trace minerals

From the field

Tall green corn field with a caption reporting a 228 bushel yield
No commercial nitrogen or manure. 1× NutriSoil Plus at planting, 2× NutriFoliar Plus on July 3 and August 10, 2023. Reported yield 228 bu/ac. The grower determined the products used and application rates; there was no untreated check.
Corn ears on a tailgate: four larger treated ears on the left and two smaller untreated ears on the right
Customer photo, West Bend, IA, 9/18/22: organic corn with two applications of NutriFoliar Plus (8.8 oz/acre) and Ultra (16 oz/acre) on 7/13/22 and 8/10/22 vs. no treatment.

Videos

Dan Yegge (9/27/23): AP 970 corn, no commercial nitrogen — NutriFoliar Plus

Documents

Labels and technical sheets are the reference for use. The summaries on this page don't replace them.

Related products

Get NutriFoliar Plus pricing.

Call for pricing and availability, or send a note with your crops and acres.

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