Homemade nitrogen fertilizer recipe #1: Urea and grass
Both of these recipes will produce fertilizers high in nitrogen with little of the two other macronutrients - phosphorus and potassium. Use only when the soil is deficient in nitrogen.
This is the easiest fertilizer to make at home - both ingredients are readily available: grass and urine! Urine is an overlooked nutrient source that is too often wasted. Grass clippings are a good source of nitrogen, with an NPK ratio of 4:2:1 (4 % nitrogen, 2 % potassium, 1 % phosphorus).
What you need:
- One 5-gallon bucket
- Grass clippings to loosely fill bucket
- 1/4 cup Epsom Salt
- 2 cups urine
- water
How to make homemade nitrogen fertilizer recipe #1:
- Fill a 5-gallon bucket with grass clippings.
- Cover grass clippings with water and leave for three days
- Mix 1/4 cup of Epsom salt with two cups of urine
- Add the Epsom salt/urine mixture to the steeped grass clippings.
- Strain the liquid and dilute it by half with water
- Pour into a bottle, and it's ready to apply to the soil
Recipe for homemade nitrogen fertilizer #2: Coffee grounds
If using urine for your homemade nitrogen fertilizer feels out of your comfort zone, this recipe may be less intimidating and better smelling, and it still uses natural waste - coffee grounds.
For plants that like a lower acid content, use decaffeinated coffee grounds.
What you need:
- 2 cups coffee grounds
- 5 gallons water
- Spray bottle
How to make homemade nitrogen fertilizer recipe #2:
- Add two cups of used coffee grounds to 5 gallons of water
- Leave overnight
- Strain the liquid into a bottle, and add to the soil or spray directly onto your plant's leaves
If you would like to experiment with your own organic fertilizer recipes, here's a
helpful guide for NPK ratios in many organic materials. You can use it to figure out which ingredients you need to create a perfect NPK ratio mixture for your plant.
What fertiliser is high in nitrogen?
Urea is the ultimate nitrogen source, offering a high concentration of 46% nitrogen. This makes it one of the most efficient fertilizers for promoting lush, vigorous growth and green
How do you increase nitrogen in fertilizer?
Chicken manure has the most nitrogen, followed by horse manure and cow manure. Fresh manure needs to be composted or rotted for at least six months to a year before you can use it in the landscape or garden.
What is naturally high in nitrogen?
The richest organic sources of nitrogen are
manures, ground-up animal parts (blood meal, feather dust, leather dust) and seed meals (soybean meal, cottonseed meal).
10 way to add nitrogen to your soil:
This overview of organic, inorganic, and synthetic nitrogen fertilizers helps you determine what is best for your plants.
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