What Is 39-0-0 Fertilizer Used For?

It’s always essential to fertilize your lawn or garden if you’re looking to have thriving living plants; this is why it’s always recommended to use an efficient fertilizer to achieve this. 

In this article, you will find out how and when to use the 39-0-0 fertilizer and see if it’s considered an efficient fertilizer. 

What is 39-0-0 fertilizer used for? This is a slow-release fertilizer commonly used with lawns, gardens, shrubs, or when needed. This fertilizer will provide fast and green growth to your plants and lawns, as it contains 39 % nitrogen and 0 % phosphorus and potassium.

This fertilizer should only be used if your soil requires it. 

So make sure to do a soil test in order to determine you need this amount of nitrogen; remember that over fertilizing could cause damage to your plants and lawns. 

But this is a powerful fertilizer that will meet all your nitrogen needs. 

You may like: 36-0-0 Fertilizer

What Does 39-0-0 Fertilizer Mean?

The numbers you see in this fertilizer represent the percentage of nitrogen, phosphorus, and potassium.

In the case of this fertilizer, it’s saying it has 39 % of nitrogen and 0 % of phosphorus and potassium.

This fertilizer is used as a starter fertilizer or when your soil requires a high percentage of nitrogen. 

39-0-0 Fertilizer Application Rate

You can typically find the application rate in the label of the fertilizer, but if it’s not available, you can use the industry standard of 1lb of fertilizer per 1000 sq ft. Keep in mind that this could vary depending on the fertilizer or what you’re looking to fertilize, so it’s not an accurate formula.

But it will definitely give you an idea to start with.

Remember to convert the nitrogen percentage into a decimal when doing this formula.

So this is how it goes.

1 lb x 1000 sq ft = 1000 / 0.39 = 2.5 pounds of 39-0-0 fertilizer is needed to cover 1000 square feet. 

We also have an online fertilizer calculator that you can use for free, if you need extra help.

39-0-0 Fertilizer per Acre

For this one, the formula is quite easy.

All you have to do is get the previous results 2.5 and do the following.

(2.5 lb fertilizer x 43,560 square feet) / 1000 = 108.9 lb of fertilizer is needed to cover 1 acre. 

Where to Buy 39-0-0 Fertilizer?

The easiest way to purchase this fertilizer is online, in stores like Amazon, Walmart, or Home Depot.

You can also purchase it in local landscape nurseries.

Final Thoughts: What Is 39-0-0 Fertilizer Used For?

This fertilizer contains 39% of nitrogen but 0% phosphorus and potassium. It is commonly used with new plants, lawns, or providing maintenance after a long winter. 

Make sure your soil needs this type of fertilizer since it can be a quite high nitrogen percentage. 

You do this by performing a soil test; in not doing so, you run the risk of over-fertilizing your lawn or plants.