NPK 20 20 20 Fertiliser: How to Use it right (2024)

NPK 20 20 20is a highly concentrated, balanced plant fertiliser. It contains equal parts nitrogen, phosphorus, and potassium. It is ideal for growing plants in poor quality soils as it provides a high amount of each of the threeessential plant macronutrients.

NPK 20 20 20 Fertiliser: How to Use it right (1)
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NPK 20 20 20 Fertiliser: Understanding Triple 20

NPK 20 20 20, sometimes referred to simply as Triple 20, is normally available as a liquid solution or a water-soluble powder.

Its balanced NPK ratio means it contains all the major nutrients a plant needs in equal measure. This makes it suitable for use throughout the life cycle of a plant: in both the growth phase and the blooming period.

When it comes to NPK ratios, the size of the numbers indicates the concentration of the solution—each number represents how much nitrogen, phosphorous, or potassium the fertiliser contains.

NPK 20 20 20 is one of the most concentrated fertilisers commonly available. Typically, numbers in the NPK ratio won’t be much higher than 10 and often they are lower.

NPK 20 20 20 Fertiliser: Uses and Effects

Since it is so highly concentrated, NPK 20 20 20 has specific uses and is not an everyday plant fertiliser. For example,NPK 20 20 20is excellent for hanging baskets due to the increased nutrient leaching that occurs.

It is also appropriate to useNPK 20 20 20in poor-quality soil. The strong fertiliser can quickly and effectively raise the nutrient content of the soil providing a suitable foundation for plants. However, it should be used for just a short period of time and then either be diluted or substituted for another, less concentrated fertiliser.

NPK 20 20 20 Fertiliser: How to Use it right (2)
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Using NPK 20 20 20 for Fertiliser Spikes

Using a strong, concentrated fertiliser such as NPK 20 20 20 at a specific time on a one-off basis can be an effective method for jumpstarting plant growth. This technique is called fertiliser spiking.

For instance, it can useful to add NPK 20 20 20 granules to the soil when planting trees. Adding a sprinkling of the fertiliser to the hole before adding the tree will ensure the young tree has all the nutrients it requires to make a great start in life.

Similarly, adding NPK 20 20 20 to vegetables shortly have they have been transplanted out will give them a boost and result in an abundant harvest.

In both cases, the NPK 20 20 20 fertiliser need only be used once, after which normal feeding can resume. For more information about how and when to feed plants check ourKnowledge Centre.

NPK Fertilisers from BAC

While we don’t currently stock any NPK 20 20 20 fertiliser, we do offer several high-quality, effective fertilisers that have been designed to suit a plant’s needs at every stage of its development.

Explore a selection of our NPK fertilisers:

Organic Grow- Designed specifically for the growth period, our Organic Grow fertiliser has an NPK ratio of 7-2-3, meaning it is high in nitrogen, the nutrient needed for growing shoots and leaves.

Organic Bloom- Although much less concentrated than NPK 20 20 20, our Organic Bloom fertiliser is perfect for the blooming phases of most plants and offers a balanced NPK ratio of 6-5-6.

F1 Extreme Booster- Finally, our F1 Extreme Booster is a concentrated fertiliser intended to provide explosive growth in the blooming period and ensure an abundant crop. It has an NPK ratio of 0-13-14.

NPK 20 20 20 Fertiliser: How to Use it right (2024)

FAQs

How much 20/20/20 per gallon of water? ›

Thanks. The mixing ratio for Peters Professional 20-20-20 General Purpose Fertilizer is 1 tsp per gallon of water. It is recommended that you fill your tank up half way, put the product in, fill the tank up the rest of the way and agitate.

How many times should I use NPK fertilizer? ›

As a general guideline, apply NPK 19:19:19 fertilizer every 2 to 3 weeks during the growing season. However, it's important to follow the instructions provided on the fertilizer packaging, as different brands may have specific recommendations.

What happens if you use too much NPK? ›

Too much fertilizer can potentially cause a chemical burn on the roots of your plant. In severe cases, it can also cause the whole plant to wilt and die. This is something that you might see happen within a few days of fertilizing.

How do you mix 20 20 20 with water? ›

Fill Bottle with warm water to ensure proper mixing. General Use Mixture: Use 2-3 tsp. per gallon of water in recirculating systems of 1 tsp. per gallon for non-recirculating systems.

Is 20/20/20 good for tomatoes? ›

An all purpose greenhouse fertilizer, i.e. 20-20-20, is a poor choice for tomatoes. Tomatoes need a grade with much lower nitrogen and much higher potassium, as well as several other essential elements.

What is the ratio of 20 20 20 NPK? ›

To find the actual the ratio, divide all three numbers on the label by the smallest number. Examples: 20-20-20 fertilizer has a 1-1-1 ratio.

How long does it take for NPK to work? ›

Well, the answer to that question will depend on what type of fertilizer you plan on using. If you are using a fast-release fertilizer, it will typically start working in just a day or two. If you use a slow-release fertilizer, it will take a little bit longer for them to start working, typically between 2-7 days.

At what stage should NPK be applied? ›

Not later than two weeks or 14 days from the time of sowing, when soil is moist, you have to apply your NPK. This is the basal application which includes other micronutrients such as sulphur and zinc. This is very important as emerging seedlings need starter nutrients for good growth and development.

What is the best way to apply fertilizer? ›

Using a Broadcast or Rotary Spreader

Before filling the hopper, make sure it's closed. It's a good idea to fill it on a tarp, so you can easily gather any spilled fertilizer. Apply fertilizer around the perimeter of the lawn first, and then start to move back and forth across turf in an orderly pattern.

What time of day should you apply fertilizer? ›

Late afternoon or early evening (when there's still light, of course) is the best time of day to apply lawn fertilizer. Applying it in the heat of a scorching afternoon can cause the sun's rays to burn your grass—and when your goal is "lush and green," burned grass blades simply won't cut it.

What are the disadvantages of NPK fertilizer? ›

Disadvantages of fertilisers:
  • They get washed away by water easily and cause pollution.
  • They harm the microbes present in soil.
  • They reduce soil fertility.
  • They are expensive.
  • They provide only short term benefits.
  • They change the nature of soil, making it either too acidic or too alkaline.

How to use Miracle Gro 20 20 20? ›

Indoor Plants: Mix 2.5 ml or 1/2 tsp (the small end of the enclosed scoop) per 4 L (1 gallon) of water every 2 weeks. Outdoor Plants: Mix 22 ml or 1 1/2 tbsp (the large end of the enclosed scoop) per 6 L (1 1/2 gallons) of water in a watering can. For best results, soak the soil at the base of plants every 7-14 days.

What is the ratio of NPK to water? ›

The recommended dose of fertilizer through the drip irrigation method should be around 1.5 to 2gm of NPK should be mixed with per litre of water considering the crop and soil type.

How to use grow more 20 20 20? ›

Directions for Use:

For general application, dissolve 2 to 4 lbs per 100 gallons of spray solution or 5 to 10 lbs per acre. May be applied by aircraft at rates as low as 5 lbs per 2 gallons of water per acre. For backpack sprayer, use 4 tsp per gallon of water.

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