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How Long To Wait After Fertilizer Application?

Discussion in 'Homeowner Assistance Forum' started by Nullqwerty, Aug 20, 2013.

  1. foreplease

    foreplease LawnSite Silver Member
    Messages: 2,062

    No, or I should say I do not know. However, safety interval after fertilizing is the topic. And yes, some fertilizers sold as organic are indeed dangerous to handle, apply, and certainly to roll around in. Many people with several years of experience and education have weighed in on this (above) who have basically the same concerns.

    Histoplasmosis anyone?
  2. Victorsaur

    Victorsaur LawnSite Member
    Messages: 81

    Somebody out to get their jollies insulting others would be prone to error. A wise man once said "When ego is inflated, intellect declines."
  3. Smallaxe

    Smallaxe LawnSite Fanatic
    Messages: 10,082

    Breathing in the spores from anything is an ever present danger and one would have to stay in his room with a vacuum cleaner to avoid it... Ask yourself this: "Do the fungi that thrive in a bat cave also flourish in the grass???"

    When the typical synthetically maintained lawn with all the 'cides and concentrated particles of NPK, turns into a dust cloud at mowing time,, would that be safer to breathe that a cloud of dust from guano applied a couple of days ago???

    The big picture of what kind of fungi flourish in which environments is an important step to understand... Once the organic fert is washed into the grass, I can't see that Histoplasmosis is going to be running rampant and producing spores to kill humans...

    I remember cleaning out a swamp-like area near a lake when I first started and both my wife and I ended up with some kind of respiratory issue, because of the environment we were working in... Now,,, should we assume that those leaves still contain that fungi or that the new green space contains the same fungi that the rotting leaves did, in that spot???

    I hope that these are just questions that raise the level of thinking and not something that is going to start a lot of bashing and name-calling... I don't think you're that way, but I'm just clearing the air before it gets kirilized... :)
  4. foreplease

    foreplease LawnSite Silver Member
    Messages: 2,062

    It has taken a great deal of discipline and personal restraint but I have tried not to be that way to date. It is getting more difficult, I assure you.

    My only exposure to bat caves is having used a fair amount of potassium nitrate. I am careful with it due to concerns about fire and filth. Fire concern is proven; filth is a personal concern I would not mind being proven wrong about but I do not care about finding the real answer either. Caution is not likely to shorten my life.

    Subtracting pesticides from your comparison question above makes it a fair question and within the OP's original question. Yes, I would rather breathe or have on my skin dust from synthetics than semi-organics derived from poultry manure.

    This topic is beginning to feel trollish as the OP seems to have done a hit and run.
  5. Kiril

    Kiril LawnSite Fanatic
    Messages: 18,334

    Too bad the ocean isn't 100% NaCl or you might have something here. Sea water has a salinity on average of 3.5%, and of course you know what salinity means, and it doesn't mean NaCl content. Want to make your comparison again? Of course we will ignore any hazardous decomposition products, toxicities of unlisted ingredients and of course all other fertilizers and formulations as well.
  6. foreplease

    foreplease LawnSite Silver Member
    Messages: 2,062

    Nice switch. Guess I misunderstood too. Thought maybe you had MSDS for ocean in your earlier post.
  7. Skipster

    Skipster LawnSite Bronze Member
    Messages: 1,086

    Come now, Kiril. If you have an MSDS for seawater, please distribute. But, the point in question is not seawater -- its fertilizer vs table salt. You said that one merely had to pull a couple of MSDS to demonstrate that GD's claim (that fertilizer was no more harmful than table salt) was not true.

    I pulled a couple of MSDS and found that it was in fact true: table salt is more toxic than urea fertilizer.

    If you have evidence otherwise, please post it here.

    If you don't have that evidence, you should post an apology.
  8. ChiTownAmateur

    ChiTownAmateur LawnSite Senior Member
    Messages: 386

    Let me pose the question a bit differently...

    Would you let a 2 year old walk barefoot on a lawn that was just fertilized using granular fertilizer?
  9. Skipster

    Skipster LawnSite Bronze Member
    Messages: 1,086


    For the naysayers in the crowd, we all know that granular products should be watered in soon after application, so if you're using a granular product with any sort of pesticide on it, that product would also be watered in and the leaves should be allowed to dry. After that, let your kids play in it all they want!
  10. FdLLawnMan

    FdLLawnMan LawnSite Bronze Member
    Messages: 1,247

    Yes I would and did let my grandchildren walk on it a few hours after application. I stick my hand in straight fertilizer all the time to break up any clumps after it is poured in the spreader hopper.

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