How To Add Nitrogen To Soil Without Fertilizer. A ratio of one part aged manure for every five parts of carbon material will bring your compost’s nitrogen level to a healthy level. Add aged manure to increase the nitrogen in your compost.
Add burned cucumber skins, kelp, and wood ash to provide potassium. Add feather meal, blood meal, or fish meal to provide nitrogen.
13 Ways To Fix Nitrogen Deficiency In The Garden In 2020
Add hair, bone meal, and worm castings to provide phosphorus. Adding coffee grounds to the soil;