Logan Labs report help
8 years ago
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Logan Labs report - Need Help
Comments (4)You betcha, but not on this forum. Google "andy logan labs soil test" and you will find the Internet forum where about all they do is interpret Logan Labs soil tests for people like you (us!). Be sure to note where you live when you sign up (free). I'm just guessing but does your soil act like clay?...See MoreSoil Report From Logan Labs
Comments (2)Pete, come see us at the lawn forum dot com. Bring your reel mower....See MoreGot my Logan Labs Report Back
Comments (3)The test was read already and that was the recommendations I recieved. Ill do a search for andy and see if he can help with a second opinion. They charge you $30 and have your samples read by a third party. I called them up and he seemed very knowledgeable. Explained to me why I needed all that stuff. He was saying that my potassium and phosphorus were my 2 main focuses that are way off and that the gypsum was for the really high amounts of magnesium in the front yard. That it would soften the soil and help it leach from the soil if that makes sense. He kept talking and I tried to write as fast as I could. He said to work on that this year and retest next year and we will go from there. But he said if I was going to till to add 20-25 lbs per 1000 of rock phosphate and that would be a slow release of phosphorus for years to come....See MoreNeed Help Interpreting Soil Report from Logan Labs
Comments (6)This one's interesting. What's your location and what type of grass do you have? The soil either shows severe over-liming or a naturally high-lime soil. The higher sodium level implies the latter, but... The grass type will determine the phosphorus setting. Most nothern lawns and some southern lawns require more fiddling here than a few southern ones do. The EC of nearly 15 says you have a good soil that holds lots of resources. Exactly what it is, you'd have to do a jar test. pH 8.0: Extremely high, but a lawn will still grow in this. Organic matter 3.55: In the good range, although I'd still try to push this much higher due to your high pH (and consequent very high calcium, Phosphorus 45: Short to extremely short due to the pH locking it up, but it's going to depend on your grass type. Let me know on that. Calcium 81%: High, but certainly not toxic or anything like that. We'll want to avoid lime and most calcium sources, however, simply because you don't need them. Magnesium 12%: Optimal. Again, we'll be avoiding sources of these to avoid pushing up your pH any further. Potassium 1.39%: Lower than I like (I prefer potassium levels of 3% or a little more for most lawns, and I go much higher in my own). Sodium 1.86%: Nudging a little high, but not a problem for grasses. This goes into the "keep an eye on" column and if it continues to head up we do something about it then. Most trace elements: Good to excellent, with no adjustments required. I'd be hesitant to adjust most of these with the pH that high and with two major nutrients requiring adjustment anyway. Iron 191: Very low for your pH, but not deficient. Lawns are likely to be a paler green than they would otherwise be. High pH binds up iron, and at that pH even chelated sources of iron simply won't work. Fortunately, using MIlorganite over time will work and add a lot of iron to the soil over time. Over the shorter term, you can spray iron (Bonide iron or 4 oz ferrous sulfate per thousand square feet) for color if you really want to. Current Recommendations: Now: Let me know your locale and grass type. September, as soon as you can: Apply any starter fertilizer at bag rate. Starter fertilizers have large middle numbers, like 20-27-5 or 18-24-5 or that range. Get the cheapest, the differences in that middle number aren't enough to matter and bag rate will target around 1 pound phosphorus per thousand square feet. September, one good rain or irrigation post the starter Locate potassium sulfate (most garden shops will order it for you, as will many landscapers, but this is not a common nutrient). Apply at 2 pounds per thousand square feet. Buy plenty, you're going to need it. I'll hold off on October recommendations until I know your locale and grass type; I don't want to risk ground freeze too early, nor overdoing things for your grass....See MoreRelated Professionals
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