I hope everyone realizes that the protein in 5 pounds of grass (12%) equals the amount of protein in one pound of cornmeal (65%) One inch of grass equal about 200 pounds of dry material per acre. So if you have a quarter acre you are putting 50 pounds of grass clippings or about 6 pounds of protein on your yard each time you cut it. This is much more than you can possibly put on with corn meal. I understand that this is general and will vary some what by the type of grass you have in your yard, but the basic fact remains. The other nutrients that goes back into your yard is a bonus of the grass clippings https://www.anderson-hay.com/blog/nutrition-101-crude-protein https://www.ag.ndsu.edu/publications/livestock/feeding-corn-to-beef-cattle/as1238.pdf https://pasturemap.com/pasture-inventory-estimate-available-dry-matter/ As stated in other post, corn meal by itself has no fungal properties, if it did you would not be eating it. It only support the organism that may prevent the fungus. Also 1 divided by 0 is the mathematical infinity. 0 divided by 1 is 0

There will always be zealots in the anti-biosolids area that are long on "it might be a risk" or Europe's standards are lower,yet they still fail to produce real hard data. For example, what they leave out is the load limit of some of these metals, such as copper and lead in class A and even class B biosoilds. You would need to apply Milorganite EVERY year or some other biosolid like it for 345 years for lead and 278 years for copper for it to reach its EPA load limit. That doesn't even account for organic binding, mineralization and leaching/migration of the metals harmlessly in the soil. I don't know about you, but even with long life in my family, I doubt I will be around that long to worry about it. I use Milorganite on everything and I have even seen the independent report and have spoken with an independent scientist who tested it for a bioremediation project for the DoD. She indicated it was lower in metals and other contaminants than the tap water and virgin soil they were going to use in the project. Compare class A biosoilds to Scott's or Ironite sometime and decide which will be better to put down as fertilizer for your kids or pets to play around. BTW, the National Science Foundation did an independent study and risk assessment in 1995 of EPA biosolids regulations and found they were far below any levels that would possibly pose any threat to humans, wildlife, soil or water and agriculture. The zealots seem to overlook this fact as well in their quest to malign well managed practices of biosolid use. There has NEVER been a documented case of the regulated use of biosolids causing harm to people, animals or plants in over 35 years of use in our environment-yet the myth and junk science persists. I will continue to use and benefit from Milorganite on my lawn, veggies, ornamentals like temperate tropicals and palm trees.

If you want to go that route, any compost is technically fine (although really, mushroom compost would be the one I'd recommend). App at rates such that you don't cover the crowns of the lawn (a quarter inch at a time, although it's fluffy enough that half an inch to a loose inch will certainly settle down more than enough to not be an issue), and let it work itself in before adding more. Personally, I think you're going to be disappointed due to the slow rate of nitrogen release compared to the demanding nitrogen state of lawns compared to many other plants; lawns really want 2-4 pounds of free N (species/cultivar dependent) per year without fail. But it's worth a shot and it's not like it's going to kill anything, hopefully. I'm not sure what the poundage translation is, but your local supplier should be able to tell you that for your lawn size.

Yep. For anything people think of as organic, ignoring it is perfectly acceptable. In many, many years of use, I've never watered anything in and simply waited for nature to take care of it for me. (There's a reason for the definition above; there are organic molecules that do need to be watered in and are available as fertilizer, but the stuff you're talking about, no).