First and foremost, the most important thing you can do first is to check your PH. As explained in our PH CONTROL ARTICLE, an improper PH will many times prevent grass from using fertilizer properly which in turn can lead to fungus and other turf problems.

Once you know the PH is 6.5-7.0, you should first try to identify just which kind of fungus you have active. Some fungus, like Dollar Spot, tends to thrive in yards with a low PH and low nitrogen levels. Brown Patch tends to thrive in lawns with low PH and high nitrogen. More about this can be found in our LAWN FUNGUS CONTROL ARTICLE but for the most part, an abundance of nitrogen should only be a problem if in fact you have done just that: over applied or put out too much fertilizer. Since most any fertilizer label has recommended amounts to be used, it can be determined if you have over applied or not as explained in our FERTILIZER EXPLAINED ARTICLE.

So to answer your question, since only a few lawn fungus problems are associated with too much Nitrogen, it's not likely that this is the reason for the problem. That means you should be able to apply both at the same time with no major problem or consequence. However, if you believe you have overdone the fertilizer applied during the past 2 months, applying the fungicide first and then following up in a 3-5 days with the LIQUID FERTILIZER would be the best way to go.

Good luck and green grass to you and yours!!

The first thing we always suggest when it comes to lawn care is that you get a good handle on the soil PH where you want to grow grass. SOIL PH is vital and if you don't have a SOIL PH METER, get one and make sure the soil is balanced before you attempt to do anything else.

Once you know the PH is Ok, apply some LIQUID FERTILIZER following the rates we have listed in our FERTILIZER CONTROL article. There is no doubt this formulation will promote healthy green grass and get vital nutrients into the soil and readily available which is important when laying new turf. Ideally the soil should have been prepared prior to laying the sod but now that it's in place, we'll have to make any needed ajustments with the grass already installed. Hopefully the lawn PH is Ok and if so, a treatment with the Liquid Fertilizer will provide some much needed food and nutriets for sure. At this time it would be wise to keep it moist and protected so don't let anyone walk over it excessively till you know what the PH is.