There are some reasons that make gardeners look for low nitrogen organic fertilizer: If your soil already has sufficient of nitrogen or during the winter when your plants requires little to no nitrogen. Especially during the flowering stage of the plant, gardeners also want to use low nitrogen fertilizers to boost bloom and encourage bigger, dense buds.
This is because nitrogen promotes leaf growth. When choosing for low nitrogen fertilizer, keep an eye on for the percentages of nutrient components, which is shown as “N-P-K ratio” on the fertilizer’s label. For instance, the NPK ratio is 0-10-10 means that this fertilizer has no nitrogen at all. There are several options of low nitrogen organic fertilizers that I would like to recommend.
Top 10 Low Nitrogen Organic Fertilizer 2021
#1 FoxFarm FX14002 Big Bloom Liquid Concentrate
This fertilizer from FoxFarm is made from 100% natural, organic biologically solution and active microbes. With the NPK ratio is 0-5-7, this is the low nitrogen formula that you look for. The fertilizer improves general health of your plants, as well as promotes heavier, bigger buds. It is perfect and popular fertilizer that many marijuana growers prefer to use for their plants during flowering period. This fertilizer can be used for soil, hydroponics, aeroponics, and other medium growth. Mix 2-4 teaspoons of this fertilizer with one gallon of water and you can water, spray, drip or add in hydroponic tank.
#2 Dr. Earth Fertilizer & Soil Organic Bud & Bloom Fertilizer
Dr. Earth Bud & Bloom Booster is made from entirely organic ingredient, including fish bone meal, alfalfa meal, feather meal, soft rock phosphate, and mined potassium sulfate. Beneficial soil microorganisms, pro-biotic and endo mycorrhizae are also added in its formula. The NPK ratio is 3-9-4, making it the ideal blooming supplement. Aside from improve larger, plentiful buds, the fertilizer also helps stronger root development, drought resistant, greater nutrient intake. It can last for several months.
#3 FoxFarm Happy Frog Bulb Food Fertilizer
The Happy Frog dry fertilizer from FoxFarm is a blend 100% natural and organic ingredients including bone meal, bat guano, kelp meal, feather meal, and acid himic. It’s formula also contains beneficial soil microorganisms that increase nutrients uptake by expanding root growth. NPK ratio is 3-8-8. Humic acid add in slower nutrients release for roots absorption. FoxFarm provides 20 kinds of helpful microorganisms to aid in the conversion of fertilizers into plant food and the prevention of illness.
#4 General Hydroponics BioThrive Bloom Nutrient Fertilizer
BioThrive is the vegan fertilizer that contain organic ingredients: Alfalfa meal, cane sugar, copper sulfate, glacial rock powder, iron sulfate, kieserite, manganese sulfate, molasses, plant extracts, potassium sulfate, rock phosphate, sodium borate, sodium molybdate, soybean meal, and zinc phosphate.
Bio Thrive has all of the required nutrients as well as a healthy amount of carbohydrates (sugars), which are proven to promote good microbial activity in the root zone. BioThrive also provides necessary nutrients to blooming and fruiting plants, resulting in dense flowers and a plentiful harvest. During flowering or fruiting period, you can use the fertilizer for all types of plants.
#5 Lilly Miller Bulb & Bloom Food 4-10-10
Lilly Miller Bulb & Bloom Food is made of 100% organic ingredient. One of the most important advantages of this plant food is that it encourages the microbe active in your soil to improve the structure and nutritional content of your soil. This is OMRI certified for organic use, making best options for those looking for more natural alternatives. The NPK ratio of Lilly Miller Bulb & Bloom Food is 4-10-4. It is low nitrogen and providing you higher mix of phosphorus and potassium to help encourage brighter, robust blooms.
#6 Maxicrop Soluble Powder Hydroponic Nutrients
The main ingredient of Maxicrop is a pure soluble seaweed extract. This organic fertilizer is one of the most popular nutrient that cannabis growers use for their plant. Produced from collected Norwegian kelp, Maxicrop is enrich with potassium and biostimulants, The NPK ratio is 0-0-17, that means it contains no nitrogen. This fertilizer also provides over 70 minerals, micronutrients, amino acids, and vitamins. It boosts the plant root growth. The fertilizer is perfect for cloning and transplanting as it is a source of vitamin B12.
#7 Espoma BM04 Bone Meal
The NPK ratio of 4-12-0 means that this fertilizer combines a little dosage of nitrogen with a high phosphorus ratio to encourage healthy root development, which allow your plant to better absorb nutrients for spectacular blooms. A lower nitrogen level of the fertilizer also inhibits excessive leaf growth. The sooner you apply it, the greater your flowers will be. This high-quality, 100% organic product at reasonable price.