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Fertilize or not?

Discussion in 'Homeowner Assistance Forum' started by RicVa, Jun 21, 2006.

  1. RicVa

    RicVa LawnSite Member
    Messages: 12

    I'm in central VA, daily high air temps are around 90 this time of year. I am afraid my grass needs feeding though. There are some areas which just don't grow as much as other areas. Some of those areas are ones that I completely killed and reseeded last fall. I applied starter fert in Sept when I seeded, then again about four weeks later. The next app was about April 1, which was probably a little early for this area.

    I know I can't apply high N, so should I go for something like Milorganite (I know the heavy metals, etc, etc) to give a little N through the summer, or just wait it out for 2-3 more months? The areas I'm concerned about just don't grow nearly as much as the rest of the yard. There is a ph issue there as well and I just applied more lime.

  2. The Slop Nazi

    The Slop Nazi LawnSite Member
    Messages: 16

    I would think a "slow release" nitrogen based fertilizer would be perfect right now. Definitely for a bermudagrass lawn. I just layed down some 28-3-10 (Lesco slow release) a week ago, and my lawn is going crazy. In my area, it is in the mid-90's for daytime highs. It obviously needs to be generously watered-in after application.
  3. RicVa

    RicVa LawnSite Member
    Messages: 12

    I should add that I have cool season grass - TTTF.
  4. TurfProSTL

    TurfProSTL LawnSite Senior Member
    Messages: 693

    If it needs food, feed it. Milorganite would be a decent choice.....
  5. Uranus

    Uranus LawnSite Bronze Member
    from Mass
    Messages: 1,624

    46-0-0 white lightning as we call it. open your spreader a little more than the recomended rate and watch what happens
  6. K.Carothers

    K.Carothers LawnSite Bronze Member
    Messages: 1,124

    This time of year you need pot ash(potassium) to withstand the heat of summer.

  7. topsites

    topsites LawnSite Fanatic
    Messages: 21,653

    Man, I'm in richmond myself and first I would not personally recommend heavy N at this time because of the lack of rain and the heat.

    You can, however, use a light (and I mean light) fertilization to give it a teenie boost, you're almost as well off using Ironite to green it up some, or you could also, if you have clay in your soil, throw down some Klay Soft (Home Depot sells this for around $5 / bag, it's right around the Lime). Klay Soft helps break down the clay and much like Lime it is made up of calcium. However, the calcium in the Lime mainly levels out the ph while it helps some with the clay, where the calcium in Klay Soft helps mostly with the clay while it helps some with the ph, both are great additions to your lawn. And yes, much like with Lime you can throw down as much Klay Soft as you want without ill effect, thou I'd recommend no heavier than the Lime and read the application chart, I find 4-8 pounds / 1000 sq. feet is good, so 1-2 bags per 1/4 acre. And it greens it up some but it takes a keen eye to see this.

    And you did say you threw down some lime, this would double the effect of any fertilizer you put down without ill effect, a light fertilization would consist of this:

    Keep in mind, the numbers x-x-x are percentages, so a 40 pound bag of 10-10-10 puts down 4 pounds of N on your lawn. I myself use 10-10-10 as my base guide, thus a bag of 34-0-0 is roughly like putting down almost 3 1/2 bags of 10-10-10, or about 14 pounds of N.

    For an acre lot such as mine, I usually throw down 2 bags of 34-0-0 from Home Depot (around $9 / bag) about once / month but I've also thrown down 6-8 bags of 10-10-10 instead, that's on the light side. Heavy would be 3-4 bags of 34-0-0 or about 10-12 (even 14) bags of 10-10-10.

    So 1 bag 34-0-0 or 3-4 bags of 10-10-10 for 1/2 acre, but you'll want to switch to something lighter than 34-0-0 for less acreage.

    For 1/4 acre, consider one but you can do two bags of 10-10-10 or maybe one bag of Super 16-4-8.

    For 1/3 acre, you could try either one bag of 34-0-0 (a bit chancy), two bags of 10-10-10 or even 1-2 bags of 16-4-8 (2 being chancy).

    Hope that helps, pm me if you'd like further assistance or contact me via the site in my signature below.
  8. K.Carothers

    K.Carothers LawnSite Bronze Member
    Messages: 1,124

    That's 4lbs of N in the bag not on the lawn per 1000 sq. ft.

  9. RicVa

    RicVa LawnSite Member
    Messages: 12

    I went with some Milorganite. I only put it down on parts of the lawn that seemed hungry. I'll watch it over the next few weeks and see if I note any differences.

    Thanks for all of the responses.

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