NACHURS GreenFlag® is a premium, high-phosphorus liquid starter and foliar fertilizer developed to provide readily available plant nutrition during early crop establishment.
Its concentrated 8-21-5 formulation supplies nitrogen, phosphorus, and potassium using high-quality raw materials that maximize nutrient solubility, maintain a low salt index, minimize equipment corrosion, and provide dependable cold-weather storage.
Ninety percent of the phosphorus in NACHURS GreenFlag is supplied in the orthophosphate form, making it immediately available for plant absorption and metabolism. This is especially valuable during cold, wet spring conditions when phosphorus and potassium availability in the soil may be limited.
GreenFlag is powered by patented NACHURS Bio-K® potassium acetate technology. Bio-K combines potassium with acetate, a natural plant metabolite designed for rapid plant uptake and efficient potassium use. This technology supports quicker germination, improved root development, stronger crop establishment, greater plant vigor, and increased tolerance to abiotic stress.
Developed with potato and wheat production in mind, NACHURS GreenFlag helps promote quick, uniform plant emergence and supports a more efficient path to harvest. It can also be used in corn and other approved crops as part of in-furrow, foliar, or transplant fertility programs.
Guaranteed Analysis
- Total Nitrogen: 8%
- Available Phosphate: 21%
- Soluble Potash: 5%
Ideal Applications
- Potatoes
- Wheat
- Corn
- Soybeans
- Barley
- Rye
- Oats
- Small grains and cereals
- Sunflowers
- Milo and grain sorghum
- Newly seeded alfalfa
- Vegetable crops
- Dry beans
- Sugar beets
- Fruit trees
- Transplanted crops
General In-Furrow Application Rates
Potatoes
Apply 4–10 gallons per acre. Position the fertilizer so the potato seed piece drops into the treated area.
Wheat
Apply 2–8 gallons per acre in 6–8-inch rows, following soil conditions and professional fertility recommendations.
Corn
Apply 2–6 gallons per acre in 30–40-inch rows. The appropriate rate depends on row spacing, soil cation-exchange capacity, organic matter, and local fertility requirements.
General Foliar Application Rate
Apply 1–3 gallons per acre with sufficient water to provide thorough and uniform crop coverage.
For foliar applications, use GreenFlag during moderate temperatures, adequate soil moisture, and active crop growth. Avoid applying during the hottest part of the day or when crops are under stress from heat, pests, or inadequate moisture.
Additional Application Options
NACHURS GreenFlag may be incorporated into professionally designed fertility programs for soybeans, small grains, sunflowers, milo, newly seeded alfalfa, vegetable crops, dry beans, sugar beets, and fruit trees.
Crop-specific rates and placement requirements may vary. Consult an authorized NACHURS distributor or agronomist before applying GreenFlag outside the general potato, wheat, and corn recommendations.
Why Growers Choose NACHURS GreenFlag
Cold, wet soil can restrict the natural availability of phosphorus and potassium during the critical early stages of crop development. NACHURS GreenFlag places soluble, plant-available nutrition close to the developing root system, helping crops establish quickly when soil conditions are less than ideal.
Its combination of high orthophosphate phosphorus and Bio-K potassium technology provides potatoes, wheat, corn, and other crops with an efficient source of starter nutrition. The result is a practical fertility tool for growers seeking uniform emergence, stronger early growth, and a quicker progression toward harvest.
Always perform a jar test before mixing GreenFlag with other fertilizers or crop-production products. NACHURS GreenFlag is not compatible with 28% or 32% UAN solutions and must not be mixed with them. Follow the complete product label and consult an agronomist for field-specific recommendations.
Deliver phosphorus where crops need it. Establish uniform growth. Give every field the green flag. 
