Rank Product Name Score
1 Milorganite 32 lb. Slow-Release Nitrogen Fertilizer Milorganite 32 lb. Slow-Release Nitrogen Fertilizer
Milorganite
9.7 GET ON AMAZON
2 Urea Fertilizer 5lbs - Plant Food - High Efficiency 46% Nitrogen 46-0-0 Fertilizer for Indoor, Outdoor Plants - 99.6% Pure Water Soluble Garden Lawn, Vegetable Fertilizer and Tie Dye Urea Fertilizer 5lbs – Plant Food – High Efficiency 46% Nitrogen 46-0-0 Fertilizer for Indoor, Outdoor Plants – 99.6% Pure Water Soluble Garden Lawn, Vegetable Fertilizer and Tie Dye
Cesco Solutions, Inc.
9.5 GET ON AMAZON
3 Maximum Green & Growth- High Nitrogen 28-0-0 NPK- Lawn Food Quality Liquid Fertilizer- Spring & Summer- Any Grass Type- Simple Lawn Solutions - Concentrated Quick & Slow Release Formula (32 Ounce) Maximum Green & Growth- High Nitrogen 28-0-0 NPK- Lawn Food Quality Liquid Fertilizer- Spring & Summer- Any Grass Type- Simple Lawn Solutions – Concentrated Quick & Slow Release Formula (32 Ounce)
UAS of America, inc
9.4 GET ON AMAZON
4 RAW- Nitrogen Plant Nutrient for Treating Deficiencies, Increase Plant Growth During vegative Stage/ Plant Feeding Supplement/ for Indoor /Outdoor Use/ Hydroponics- 2 oz RAW- Nitrogen Plant Nutrient for Treating Deficiencies, Increase Plant Growth During vegative Stage/ Plant Feeding Supplement/ for Indoor /Outdoor Use/ Hydroponics- 2 oz
NPK Industries
9.0 GET ON AMAZON
5 PetraTools Liquid Nitrogen Fertilizer, 28-0-0 High Liquid Nitrogen Spray For All Grass Types, Liquid Lawn NPK Fertilizer Concentrate For Max Green Grass, Liquid Fertilizer for Lawns & Plant Food (32 Oz) PetraTools Liquid Nitrogen Fertilizer, 28-0-0 High Liquid Nitrogen Spray For All Grass Types, Liquid Lawn NPK Fertilizer Concentrate For Max Green Grass, Liquid Fertilizer for Lawns & Plant Food (32 Oz)
PetraTools
8.8 GET ON AMAZON
6 The Dirty Gardener Nitrogen Fertilizer Urea 46-0-0, 5 Pounds The Dirty Gardener Nitrogen Fertilizer Urea 46-0-0, 5 Pounds
The Dirty Gardener
8.6 GET ON AMAZON
7 N-Primer Nitrogen Supplement for Fast Vegetative Growth, Promotes Dark Green Leaves by TPS Nutrients, Pint (16 oz) N-Primer Nitrogen Supplement for Fast Vegetative Growth, Promotes Dark Green Leaves by TPS Nutrients, Pint (16 oz)
TPS Nutrients
8.2 GET ON AMAZON
8 Dr. Earth Nitro Big High Nitrogen Plant Food 24 oz Concentrate Dr. Earth Nitro Big High Nitrogen Plant Food 24 oz Concentrate
Dr. Earth
8.1 GET ON AMAZON
9 Pure Urea Nitrogen Fertilizer 46-0-0 Granular - 50 Lbs. () Pure Urea Nitrogen Fertilizer 46-0-0 Granular – 50 Lbs. ()
8.1 GET ON AMAZON
10 24-0-4 All Purpose Liquid Fertilizer with Micronutrients (50% Slow Release Nitrogen) (32oz) 24-0-4 All Purpose Liquid Fertilizer with Micronutrients (50% Slow Release Nitrogen) (32oz)
Jay-Mar, Inc
7.9 GET ON AMAZON

Milorganite 32 lb. Slow-Release Nitrogen Fertilizer

Milorganite 32 lb. Slow-Release Nitrogen Fertilizer

    Features:

  • Eco-friendly
  • Slow Release, feeds up to 3 months
  • Aids in root development
  • Contains non-staining iron
  • Fertilizer Analysis is 6-4-0

Urea Fertilizer 5lbs – Plant Food – High Efficiency 46% Nitrogen 46-0-0 Fertilizer for Indoor, Outdoor Plants – 99.6% Pure Water Soluble Garden Lawn, Vegetable Fertilizer and Tie Dye

Urea Fertilizer 5lbs - Plant Food - High Efficiency 46% Nitrogen 46-0-0 Fertilizer for Indoor, Outdoor Plants - 99.6% Pure Water Soluble Garden Lawn, Vegetable Fertilizer and Tie Dye

    Features:

  • PREMIUM QUALITY INGREDIENTS – Our Urea is made with the finest quality, water soluble product. Made of high purity Urea, the Cesco Solutions premium nitrogen fertilizer will boost the healthy development of all your indoor flowers, lawn, and garden vegetables.
  • POWERFUL NITROGEN FERTILIZER will provide your plants with the nitrogen they need for green leafy growth. Get lush vegetation in your home garden with our high-efficiency Urea fertilizer.
  • WIDE APPLICATIONS – MAKE YOUR OWN SOPHISTICATED TIE-DYES: More than just a high nitrogen fertilizer, Urea produces vibrant colors for tie-dye and batik projects. Express your creative talent with handmade crafts in bright colors.
  • RESEALABLE, EASY POUR PACKAGING IN 3 SIZES: Order this granular 46 0 0 fertilizer in a 5lb, 10lb or 15lb package. Pour the necessary quantity with ease and store the rest for future use.
  • COMMITED TO INNOVATION: For more than 30 years, Cesco Solutions is dedicated to preserving and protecting an evergreen planet for future generations. Our goal is to produce environmentally friendly products and services that exceed customer expectations and have a major impact in the long run.

Maximum Green & Growth- High Nitrogen 28-0-0 NPK- Lawn Food Quality Liquid Fertilizer- Spring & Summer- Any Grass Type- Simple Lawn Solutions – Concentrated Quick & Slow Release Formula (32 Ounce)

Maximum Green & Growth- High Nitrogen 28-0-0 NPK- Lawn Food Quality Liquid Fertilizer- Spring & Summer- Any Grass Type- Simple Lawn Solutions - Concentrated Quick & Slow Release Formula (32 Ounce)

    Features:

  • 28-0-0 Liquid Lawn Food Nutritional Supplement: High Nitrogen Formula. Nitrogen aids in the formation of chlorophyll where plants get their green coloring. The addition of Nitrogen encourages vigorous growth for the development of a dense attractive lawn.
  • The Power of Quick Release and Slow Release Nitrogen Fertilizer: 70% quick release nitrogen to provide quick nutrient absorption 30% slow release nitrogen keeps your lawn feed in between applications.
  • Contains High Quality Feed Grade Compounds: Nourish your lawn with liquid nutrients. Designed to be quickly & easily applied in a ready to use sprayer bottle.
  • Can Be Used on All Grass types: Including Bermuda, St. Augustine, Zoysia, Buffalo, Centipede, Florida Palmetto, Bahia, Fescue, Ryegrass & Kentucky Bluegrass.
  • Easy to Use: Our 28-0-0 Lawn Fertilizer Food comes with a ready-to-use hose end sprayer that applies the perfect ratio of product for lawn applications. Covers up to 3,200 square feet, when using the attached sprayer.
  • 28-0-0 contains 28% Nitrogen. Nitrogen is a major component of chlorophyll where plants get their green coloring. Nitrogen encourages vigorous growth for the development of a dense attractive lawn.
  • High Nitrogen Formula: This High Nitrogen fertilizer was developed to perk up the lawn, by quickly correcting a Nitrogen deficiency in the soil for a vigorous Turf Grass. Nitrogen Encourages Greening & Vertical/Lateral Growth for a Thicker, Greener Lawn if a nutrient deficiency is present.
  • Maintain Lawn & Treat Nutrient Deficiencies: 28-0-0 Lawn Food is perfect for maintaining lawn vigor or treating lawns deficient in Nitrogen.
  • Essential Macronutrient: High Nitrogen Liquid Lawn Food contains Nitrogen which is the most frequently used macronutrient and is essential to maintain lawn vigor, color, and quality. Nitrogen Encourages Greening & Vertical/Lateral Growth for a Thicker, Greener Lawn.
  • 28-0-0 Lawn Food is best to be used if you want to darken the green of your lawn, if you are trying to boost vertical and Lateral Growth, if your lawn is deficient in Nitrogen.

RAW- Nitrogen Plant Nutrient for Treating Deficiencies, Increase Plant Growth During vegative Stage/ Plant Feeding Supplement/ for Indoor /Outdoor Use/ Hydroponics- 2 oz

RAW- Nitrogen Plant Nutrient for Treating Deficiencies, Increase Plant Growth During vegative Stage/ Plant Feeding Supplement/ for Indoor /Outdoor Use/ Hydroponics- 2 oz

    Features:

  • ABOUT: RAW Nitrogen contains 20% Ammonium Nitrogen (N) in a Water Soluble form. RAW Nitrogen does not contain nitrates or urea which enables it to be applied at all stages of growth and bloom. Plants take up two forms of nitrogen: nitrate N and ammonium N. Raw Nitrogen is Ammonium Nitrogen only. It can also be used as a foliar feed and during bloom unlike Nitrate N. RAW Nitrogen is ideal for boosting Nitrogen (N) levels, treating deficiencies and creating optimal recipe solutions.
  • RAW Nitrogen- Easily mixes into water and is completely soluble.
  • BENEFITS: Great for treating individual deficiencies. The primary component in overall plant development. Essential for production of Chlorophyll, Amino Acids, and Enzymes
  • WHERE TO USE: Great for use in soil, hydroponics, or other growing media.
  • DIRECTIONS FOR USE: Add1/16th to 1/8th tsp per Gallon in the reservoir for irrigation. Apply as needed.

PetraTools Liquid Nitrogen Fertilizer, 28-0-0 High Liquid Nitrogen Spray For All Grass Types, Liquid Lawn NPK Fertilizer Concentrate For Max Green Grass, Liquid Fertilizer for Lawns & Plant Food (32 Oz)

PetraTools Liquid Nitrogen Fertilizer, 28-0-0 High Liquid Nitrogen Spray For All Grass Types, Liquid Lawn NPK Fertilizer Concentrate For Max Green Grass, Liquid Fertilizer for Lawns & Plant Food (32 Oz)

    Features:

  • ULTIMATE LIQUID NITROGEN FERTILIZER: This liquid lawn food supplement has an ultra-high nitrogen formula to promote green grass and quick growth. Easily turn yellow & nitrogen deficient grass into a lush thick green!
  • 28-0-0 QUICK & SLOW RELEASE TECHNOLOGY: This 2-in-1 liquid lawn fertilizer formula provides 70% quick-release nitrogen for rapid green and growth and 30% slow-release nitrogen for ongoing growth between applications.Get the best of both worlds in 1 easy application.
  • WORKS WITH ALL GRASS TYPES: Whether you have warm- or cold-season grass, this is the perfect liquid grass food for quick green-up. It’s super-effective in making your lawn green and to achieve consistent growth. Ideal for both new and old lawns.
  • Apply Nitrogen to Your Lawn Quickly: PetraTools created our NPK lawn booster to be simple and easy to use. Mix 5oz of liquid nitrogen per gallon of water for maintenance or 10 oz per gallon to correct nitrogen levels. Treats up to 12,800 Sq. Ft. for maintenance or 6,400 Sq. Ft. of nitrogen deficient grass. For best results, use a PetraTools sprayer to evenly spray mixture across lawn.
  • American Family-Owned Company & USA Support: PetraTools is a USA-based company located in Carlisle, Pennsylvania. All PetraTools products have a 100% satisfaction guarantee and excellent USA customer service members waiting by the phones to answer any questions you may have. PetraTools continues to work hard to deliver top-quality sprayers & solutions to keep your home, lawn, and places of business clean, green, and safe.

The Dirty Gardener Nitrogen Fertilizer Urea 46-0-0, 5 Pounds

The Dirty Gardener Nitrogen Fertilizer Urea 46-0-0, 5 Pounds

    Features:

  • Great high analysis dry nitrogen for fertilizing crops
  • Pure prilled urea which contains 46% nitrogen
  • Use in areas with adequate water due to tendency to dehydrate the soil
  • Dry granular which spreads well with most fertilizer spreaders
  • Order comes with 5 pounds of urea

N-Primer Nitrogen Supplement for Fast Vegetative Growth, Promotes Dark Green Leaves by TPS Nutrients, Pint (16 oz)

N-Primer Nitrogen Supplement for Fast Vegetative Growth, Promotes Dark Green Leaves by TPS Nutrients, Pint (16 oz)

    Features:

  • BALANCED SOURCE OF NITROGEN: TPS Nutrients N-Primer has a balanced source of both positively and negatively charged nitrogen.
  • INCREASE GROWTH AND DARKEN LEAVES: N-Primer is designed to be bio-available in the soil and steadily released to your plants.
  • INCLUDES NITROGEN INJECTORS: TPS’s N-Primer elicits a stress response that triggers plant uptake, this increases nitrogen metabolism.
  • ENERGY DENSE FERTILIZER FOR ALL PLANTS: All TPS fertilizers and supplements are nutrient dense, reducing waste and making sure you don’t pay for water to be shipped. Use during veg and early bloom.
  • DESIGNED TO BE SUSTAINABLE: Every ingredient and every process was designed to keep sustainability in mind. TPS Nutrients chooses only the best and most renewable materials to build these products.

Dr. Earth Nitro Big High Nitrogen Plant Food 24 oz Concentrate

Dr. Earth Nitro Big High Nitrogen Plant Food 24 oz Concentrate

    Features:

  • Works quickly without burning
  • A blend of fish bone meal, Feather meal, mined potassium sulfate
  • 100% organic and natural
  • People & pet safe

24-0-4 All Purpose Liquid Fertilizer with Micronutrients (50% Slow Release Nitrogen) (32oz)

24-0-4 All Purpose Liquid Fertilizer with Micronutrients (50% Slow Release Nitrogen) (32oz)

    Features:

  • BENEFITS: 24-0-4 all-purpose HIGH CONCENTRATE fertilizer is designed to be used throughout the growing season, providing readily available nutrients, and extended, long-lasting nitrogen.
  • SLOW-RELEASE NITROGEN: 24-0-4 contains 50% (.32lbs) of slow-release nitrogen (SRN). Slow-release nitrogen in fertilizer releases a small, steady amount of nitrogen over a course of time, saving you time and money.
  • BONUS: Micro-nutrients aid in plant growth, aesthetic appeal, and overall plant health.
  • DIRECTIONS FOR ORNAMENTALS: Shake well before use. Mix 1-2 ounces of fertilizer to 1 gallon of water and water plants generously. Use fertilizer once every 2 weeks.
  • DIRECTIONS FOR TURF: Shake well before use. Use 3 ounces of fertilizer for every 1,000 square feet. Mix in a spray tank at ratio of 1-3 ounces per gallon of water. Use fertilizer once every 2-4 weeks.
  • GUARANTEED ANALYSIS: Total Nitrogen (N) 24%, Available Phosphoric Acid (P2O5) 0%, Soluble Potash (K2O) 4%, Copper (Cu) .05%, Iron (Fe) .25%, Manganese (Mn) .05%, Zinc (Zn) .05%
  • MEASURE & POUR: Our 32oz jug comes in an easy measure and pour bottle that allows the end-user to measure and pour a specific dosage by simply squeezing the bottle. See images for directions.

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