This is now two Limestone Quarry Club soils in a row, but this is the time of the year when we see them--northerners are more or less shutting down for the season. It presents some challenges, but isn't a problem.

EC 107: Vastly overinflated by the excess calcium in the soil. For the purposes of other resources, I'm turning this down to a standard of 15.

pH 8.0: This is high enough to present resource absorption problems, but still isn't a barrier to a great lawn. We simply have to turn up the other ions enough to be able to release at least some at this pH level. There's nothing you're going to be able to do about this, there's far too much excess calcium in the soil to abolish it without seriously damaging the soil.

OM 3.76%: In the Fair range. I'd certainly recommend mulch mowing, mowing all fall leaves, considering organic feeding, and possibly taking leaves from neighbors when they put them on the curb. Overall, I'd like this to be in the 5% range just to try to open some EC points that aren't calcium dominated (but they'll rapidly bind a calcium), plus make the pH matter a little less since OM binds resources and makes them available at a wider pH range.

Sulfur 16: About what I'd expect and a reasonable answer. In your soil, most of this is bound into gypsum, but that's fine.

Phosphorus 30: Deficient and a serious limiter to lawn quality, particularly at a pH of 8. We use starter fertilizer, the cheapest you can get, to raise this--basically, any fertilizer where the second number on the bag is the highest, like 20-27-5 or 18-24-6 or something like that. Recommendations below, and I snuck an app of P this fall. The target will be about 300 and I wouldn't mind 320-350 in this particular soil.

Calcium 95.0%: Target would be 70%, but you have a vast excess. This isn't a problem in terms of lawn quality, but it does mean that deeper green hues are much harder to attain. Avoid all calcium sources, particularly any type of limestone or gypsum.

Magnesium 1.5%/311 PPA: Although target would normally be about 10%, you actually don't have a shortage. It's just that calcium is highly dominant and knocks the magnesium off the soil particles. No magnesium is required or desired, and I'd also avoid all magnesium sources, which is any dolomitic limestone or Epsom salt or SulPoMag or the like.

Potassium 0.1%/71 PPA: It's not as bad as it looks (my target normally being 5-7%), but there's still a moderate shortage of potassium in the soil. We use potassium sulfate for this, which you can get at many garden shops, landscape stores, or online. Recommendations below.

Minor Elements: Boron, copper, and iron are rather low. I've mentioned each below, but combined boron and copper as they're applied together.

Boron, Copper 0.25/0.31: Boron is deficient, and copper is borderline deficient. We use Milorganite as a carrier and 20 Mule Team Borax as the boron source. You can purchase 20 Mules at the grocery store in the laundry section.

For copper, we use copper sulfate (available online or at some pool stores).

In a wheelbarrow or the like, dump the Milo. Spraying very, very lightly with water (I use a spray bottle like the kind people use to damp their clothes when they iron) will help the boron stick. Add the recommended amount of 20 Mule Team Borax and copper sulfate, and stir, spraying occasionally to get the stuff to stick to the Milo. Then apply over the recommended area. So if going for bag rate Milorganite (1 bag per 2,500 square feet), you'd add 10 tablespoons of 20 Mule Team Borax plus 5 tablespoons of copper sulfate.

Iron 26: With a pH this high, this is borderline deficient. I doubt it's causing severe problems, but lawn color would tend to be poor and growth nowhere near optimal (iron is used to produce the chlorophyll molecule, among other things, so no iron, no chlorophyll, no photosynthesis, no energy). Whenever you like, you can apply Milorganite at the bag rate to very slowly raise this. I don't mention it in the recommendations below as it can go whenever the lawn is awake and active.

Recommendations:

Now: Apply starter fertilizer at bag rate.

March 15, 2016: Apply 5 tablespoons of 20 Mule Team Borax (not a misprint and don't overapply) and 2 tablespoons of copper sulfate (ditto) per thousand square feet.

April 1: Apply starter fertilizer at bag rate.

April 15: Apply 2 pounds per thousand square feet of potassium sulfate.

May 1: Apply starter fertilizer at bag rate.

May 15: Apply 2 pounds per thousand square feet of potassium sulfate.

June 1: Apply starter fertilizer at bag rate.

July 1: Apply starter fertilizer at bag rate.

August 1: Apply starter fertilizer at bag rate.

September 1: Apply starter fertilizer at bag rate.

September 15: Apply 2 pounds per thousand square feet of potassium sulfate.