lVlrBoJang1es 2023 Soil Test

Learn how improving your soil can lead to a better looking lawn
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lVlrBoJang1es
Posts: 122
Joined: March 29th, 2017, 11:59 am
Location: Western Michigan
Grass Type: KBG
Lawn Size: 10000-20000
Level: Some Experience

lVlrBoJang1es 2023 Soil Test

Post by lVlrBoJang1es » May 5th, 2023, 9:52 am

Original owner of a new property in a recently developed neighborhood ~15K sqft.

Landscaping was installed last summer (2022).

Front was graded with contractor soil, sodded with KGB. General area is re-purposed farm land / deforested.

Back was debrushed/deforeseted, graded and hydroseeded with who-knows-what. General area was wet forest / drainage basin / lightly swampy.

Image

Samples taken before any applications in mid april. If i recall, i did two light (0.5 lbs N/k) 13-13-13 fertilizer applications in late summer, and once again late fall.

Looking forward to the long project ahead of me!

Thanks for the time and recommendations!

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andy10917
Posts: 29744
Joined: February 23rd, 2009, 10:48 pm
Location: NY (Lower Hudson Valley)
Grass Type: Emblem KBG (Front); Blueberry KBG Monostand (Back)
Lawn Size: 1 acre-2 acre
Level: Advanced

Re: lVlrBoJang1es 2023 Soil Test

Post by andy10917 » May 7th, 2023, 11:19 am

Interesting!!

It only takes a minute to figure out that those are different soils you sampled.

Both soils have a nice TEC at 8 and 9, and it's probably the organic matter being higher in the Back that is lifting the TEC a bit. The OM is not high enough though, and you should push lots of compost, peat moss and/or mulched leaves regularly.

The pH is being driven by excess Calcium and Magnesium, but the other major cation (Potassium) is in need of supplementation.

Phosphorus is wildly different between the Front and Back. It's at luxury levels in the Front and lacking badly in the Back.
Iron is plentiful, but at your pH it is not bioavailable.

Micro's are OK for now.

What does all that mean?

The Front should get a full application of a high-Nitrogen fertilizer at bag rate monthly and 2 lbs/K of SOP monthly. The Back should get monthly applications of a balanced fertilizer like 10-10-10 or 19-19-19 at bag rate.

Skip the applications in July.

lVlrBoJang1es
Posts: 122
Joined: March 29th, 2017, 11:59 am
Location: Western Michigan
Grass Type: KBG
Lawn Size: 10000-20000
Level: Some Experience

Re: lVlrBoJang1es 2023 Soil Test

Post by lVlrBoJang1es » May 16th, 2023, 9:35 am

Thanks as always Andy!

Picking up supplies from the local feed store today and starting first applications tonight.

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