Variable emergence and early root-zone conditions

Corn Crop Nutrition Program
A corn crop nutrition program should follow stand establishment, rapid vegetative demand and reproductive stress timing while keeping final product use tied to current label review.
Corn Nutrition Challenges & Growth Stages
A corn nutrition plan should follow the crop from establishment through rapid vegetative growth and reproduction, with each input tied to a defined field objective.
Rapid nutrient demand during vegetative growth
Heat, moisture and application stress around reproduction
Support a uniform start; Plan foliar and spray-support inputs around crop stage; Keep product decisions connected to field observations.
The ProGreen Corn Protocol
Products listed here come from the current crop-program source. This is a source mapping, not a rate, tank-mix order or automatic recommendation.
Support a uniform start
Plan foliar and spray-support inputs around crop stage
Keep product decisions connected to field observations
Share crop, acreage, and stage. We’ll confirm program fit and send a quote.
Get in touchProducts in This Program
Product cards link to the finished product detail pages. Product fit, rates and timing still depend on approved label review and crop-specific context.

Starters
PROALGA™
ProAlga biostimulant is the seaweed-based pathway in ProGreen Ag's starter family. It is reviewed within the complete establishment, fertility and crop-stress plan.

Foliar Fertilizers
X-14™
X-14 foliar fertilizer is the flagship foliar nutrition pathway in the ProGreen Ag catalog. It connects with multiple crop programs while keeping application details tied to the current approved label.
Proven Results
Corn proof stays source-gated
The corn brief calls for a proof element around corn-at-tassel field response. Public result numbers stay gated until an approved lab, trial or testimonial source is attached. Use the lab-test results path to request or review source material before treating proof as a recommendation.
2011 Irrigated · Channel 209-85VT3P
+8.3% yield
Two-pass C-4 program: 214.81 vs 198.32 bu/ac.
- Treated
- 214.81 bu/ac
- Control
- 198.32 bu/ac
C-4 at V4 and silk
2012 DKC 56-55
+26.2% yield
F-14 at V4: 229.15 vs 192.94 bu/ac base control.
- Treated
- 229.15 bu/ac
- Control
- 192.94 bu/ac
F-14 at 1 gal/ac at V4
2013 Golden Harvest 76-52
+22.9% yield
Replicated irrigated plots versus untreated controls.
- Treated
- Best F-14 reps to 234 bu/ac
- Control
- Controls about 188–210 bu/ac
GRO, C-4 and F-14 at V4
Application Timeline
Application Timeline is a planning sequence, not a universal application schedule. Method, rate, timing and compatibility still come from approved labels and field-specific review.
Stand uniformity and early growth
Planting conditions, base fertility and early-season constraints
Canopy development and nutrient demand
Crop condition, tissue or soil information and planned applications
Stress exposure and program continuity
Weather, crop stage, label timing and tank-mix fit
Build Your Corn Program -> Quote
Share crop, acreage, location, growth stage, current program and timing. ProGreen Ag can then confirm product documents, availability and the next step for your operation.
Questions about the corn program
Is this corn program a spray recommendation?
No. This page is a planning framework. Final products, rates, timing, compatibility and application method must come from the current approved label and a field-specific review.
Can products be added to an existing fertility program?
That depends on the field objective, crop stage, current fertility plan, water quality and tank-mix partners. Share those details with ProGreen Ag before making a change.
Where can I find application rates?
Only approved labels and reviewed product documents should be used for rates. ProGreen Ag can provide the current documentation for the products being considered.

