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Mulch-mowing vs. side discharge | (Read 1508 times) |
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Jeremy Bunag
Administrator
Posts: 217
Workin' Central IL converted farmland
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October 12, 2009, 11:22:15 AM |
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First, to deter some hijacking-by-parallel-answers:
- Yes, I use a gas mower. Most practical for mowing my 3 acres of grass
- Yes, I'm working towards decreasing this lawn, replacing it with trees (currently sticks) and gardens of pretty and/or useful sort
- No, I don't plan on changing my mower anytime soon. I'm cheap, and I like to use things until they're dead.
Now, with that out of the way... 
The current thinking is that mulching (no bagging nor discharge in any direction but down, usually with special blades) is what should be done, "it's the best." It finely cuts the grass down for super-quick breakdown and feeding of your lawn. No unsightly cut grass on the top because it all trickles down much easier so finely cut.
That all makes great sense to me. But I like side-discharging now, and here's why:
- It's still "mulching"/returning the grass back to the soil
- The "feed" grass gets moved from areas of great growth over to the areas of lesser growth (the wonderful areas don't just feed themselves, it shares the wealth out from the edges)
- I still don't see grass littler sitting on top (probably because of my not horribly dense yet nature of my lawn)
- I can cut the grass when I've let it grow too long without it bogging down (I'm lazy sometimes)
- Blades are cheaper (I'm cheap all the time)
- When I do cut grass too long, I feel like I'm helping the thinner parts of my lawn more, with a more substantial mulch to hold/protect the dirt better
- My mower deck blade area stays cleaner longer (I always found the mulch-cut grass stuck a lot easier to my deck)
So far the only think I don't like has to do with the blowdryer effect, where one of my young trees/sticks ends up on the wrong side of the mower for a close pass. But I can probably manage that by not daydreaming while mowing.
Have I missed something else wonderful in closed mulch-mowing that isn't translatable into side discharge? Or something horrible about side discharge that is fixed by closed mulch-mowing?
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Joel Hollingsworth
Posts: 1623
zone 10: Oakland, CA
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October 12, 2009, 12:21:42 PM |
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I've read that a grass barrier of nastertium or similar can help trees to become established.
It might also help absorb the side discharge, or at least add some distance between the mower and the sticks.
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« Last Edit: October 12, 2009, 03:44:38 PM by polyparadigm »
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"the qualities of these bacteria, like the heat of the sun, electricity, or the qualities of metals, are part of the storehouse of knowledge of all men. They are manifestations of the laws of nature, free to all men and reserved exclusively to none." SCOTUS, Funk Bros. Seed Co. v. Kale Inoculant Co.
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Jeremy Bunag
Administrator
Posts: 217
Workin' Central IL converted farmland
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October 12, 2009, 02:22:06 PM |
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Interesting thought! Would look real nice too!
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jeremiah bailey
Posts: 342
Zone 5b - Central Indiana Suburban Subdivision
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October 12, 2009, 06:14:30 PM |
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I always make several concentric rings around trees, with the side discharge facing away. A mulch, living or other, bed helps too. I've started using a mulcher, but I still have the habit of making several rings around trees, with the tree to the left of the mower. The same goes for other obstacles as well. I make several passes with the mower blowing away from the obstacle. Mulching around trees helps alot for other reasons. Competition, water conservancy, etc. I try to keep the mulch bed out to nearly the drip line.
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"Although the world is full of suffering, it is full also of the overcoming of it." - Helen Keller
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Jeremiah Bailey
Central Indiana
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Jeremy Bunag
Administrator
Posts: 217
Workin' Central IL converted farmland
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October 13, 2009, 09:54:21 AM |
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I always make several concentric rings around trees, with the side discharge facing away. A mulch, living or other, bed helps too. I've started using a mulcher, but I still have the habit of making several rings around trees, with the tree to the left of the mower. The same goes for other obstacles as well. I make several passes with the mower blowing away from the obstacle. Mulching around trees helps alot for other reasons. Competition, water conservancy, etc. I try to keep the mulch bed out to nearly the drip line.
I'm fairly generous with the mulch as well, and I too circle obstacles in this way. However, when I'm doing "the back and forth" sometimes I end up on the wrong side of the tree, a little too close. Like I said, I think I just need to stop daydreaming!  But also, with the high lift blades in, it blows it quite far, more than the 1 or two mower deck widths margin I try to put around the trees. Most of the time I'm not as worried about the latter situation, mulch is mulch as long as it's not coming at you at 60 MPH! And at a couple deck widths away it's not coming that fast. It's the "Oh crap, did I just pass by that twig with my chute right next to it (or even the edge of the mulch circle)?"
Despite my apparent attempts to kill them, the vast majority of my trees are still alive though! I guess I'm making them stronger! Which they need with some of the Mother Nature wind we get round here sometimes!
Thanks for the suggestions, they're knocking around in my head underscoring my need to practice these actions...
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paul wheaton
Administrator
Posts: 5600
missoula, montana
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October 13, 2009, 11:51:54 AM |
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I really like the bit about taking grass from the thick spots and shooting it to the thin spots. I never thought of that before.
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jeremiah bailey
Posts: 342
Zone 5b - Central Indiana Suburban Subdivision
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October 13, 2009, 08:35:50 PM |
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You can shoot it where ever you want, as long as you can aim the discharge chute that way. If you do an inward clockwise spiral around the yard, you'll end up with a nice size pile of grass. That is if your mower has the umphf to handle masses of clippings. Mulching set ups kind of do the same, especially when you get rather thick areas. They don't discharge per se, so it tends to build up mass in the deck. When you get to a thinner area, or tilt/raise the deck, it clears.
I missed the daydreaming bit before. Maybe you need to put orange road cones around them. Or a proximity sensor that triggers an air horn. Or both, just so the neighbors really love ya!  Barring that, just consider it "hardening off."
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"Although the world is full of suffering, it is full also of the overcoming of it." - Helen Keller
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Jeremiah Bailey
Central Indiana
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Jeremy Bunag
Administrator
Posts: 217
Workin' Central IL converted farmland
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October 14, 2009, 09:23:07 AM |
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Mulching set ups kind of do the same, especially when you get rather thick areas. They don't discharge per se, so it tends to build up mass in the deck. When you get to a thinner area, or tilt/raise the deck, it clears.
That's the part the tends to thicken up the deposits on the underside of my deck, I think. My favorite part of mowing my "wastelands" (the part in the far back of my property that I hardly take care of that didn't get seeded very well that the big/ugly/woody/what-have-you weeds own) is mowing over the dead, thick, straw-almost-woody weeds, imagining them kind of sandblasting my underdeck and chute as they blow around and out.
Maybe you need to put orange road cones around them. Or a proximity sensor that triggers an air horn. Or both, just so the neighbors really love ya! Barring that, just consider it "hardening off."
I like the air horn idea! Hmmm...would my neighbors care...? Heh heh heh
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jeremiah bailey
Posts: 342
Zone 5b - Central Indiana Suburban Subdivision
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October 14, 2009, 06:54:54 PM |
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That's the part the tends to thicken up the deposits on the underside of my deck, I think. My favorite part of mowing my "wastelands" (the part in the far back of my property that I hardly take care of that didn't get seeded very well that the big/ugly/woody/what-have-you weeds own) is mowing over the dead, thick, straw-almost-woody weeds, imagining them kind of sandblasting my underdeck and chute as they blow around and out.
Imagining is one thing. Does that actually work? I hate lifting my deck to clean out the buildup. If it does, I might have to find a vacant, overgrown lot to mow.
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"Although the world is full of suffering, it is full also of the overcoming of it." - Helen Keller
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Jeremiah Bailey
Central Indiana
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Joel Hollingsworth
Posts: 1623
zone 10: Oakland, CA
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October 15, 2009, 12:01:50 AM |
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Imagining is one thing. Does that actually work? I hate lifting my deck to clean out the buildup. If it does, I might have to find a vacant, overgrown lot to mow.
Or keep a deepish patch of woodchips between where you mow and where you store the mower, to drive over just before putting it away?
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"the qualities of these bacteria, like the heat of the sun, electricity, or the qualities of metals, are part of the storehouse of knowledge of all men. They are manifestations of the laws of nature, free to all men and reserved exclusively to none." SCOTUS, Funk Bros. Seed Co. v. Kale Inoculant Co.
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Jeremy Bunag
Administrator
Posts: 217
Workin' Central IL converted farmland
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October 17, 2009, 12:33:37 AM |
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Imagining is one thing. Does that actually work? I hate lifting my deck to clean out the buildup. If it does, I might have to find a vacant, overgrown lot to mow.
Does it clean down to the metal? Not with what I mow. I think if you did polyp's (OK, maybe that's a bad abbrev...sorry) wood chip idea, that would make a nice blender that could loosen some of the harder stuff, but I think you might sacrafice blade sharpness a bit.
I know that the chute has gotten crusty and then un-crustied by mowing the thick dry weeds. I guess the worst hurt you could have mowing a vacant lot is getting some stowaways coming back to your lot!
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Brenda Groth
Administrator
Posts: 1860
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October 24, 2009, 09:18:29 AM |
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we have both here..the walk behind power mower tha I use is a mulching mower..or at least it is set up that way now..and i love the results..esp this last weekend when i mowed the leaves.
the rider my husband and son use..i don't..is a side discharge or bagger..guess it might be able to be set up for mulching too..don't know..but right now they are using the side discharge..
it is ok for what it does..usually not our lawn but our field areas get mowed with that one..or the more remote areas that we might mow..
if i had my choice i would have mulching..it works well for me....and we have about 3 or 4 acres of mowed lawn or field as well..and my son has a radio control dirt track..which he mows around out in his field..he uses the rider for that as it is not level..
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Jeremy Bunag
Administrator
Posts: 217
Workin' Central IL converted farmland
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December 07, 2009, 03:35:21 PM |
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Does it clean down to the metal? Not with what I mow. I think if you did polyp's (OK, maybe that's a bad abbrev...sorry) wood chip idea, that would make a nice blender that could loosen some of the harder stuff, but I think you might sacrafice blade sharpness a bit.
I know that the chute has gotten crusty and then un-crustied by mowing the thick dry weeds. I guess the worst hurt you could have mowing a vacant lot is getting some stowaways coming back to your lot!
Well I used the ol' mower to obliterate some cardboard boxes for my compost a while back, and I was just taking off the deck for the season (so I can now handle snow) and was pleased with the lack of the typical buildup I saw on the underside! "I gotta take pictures!" Yeah, there's still some in a couple places, but boy was it easy to clean up this year. And the normal grass pathway that usually has inches of buildup had none...woo hoo! Took me wayyy less time to scrape away the remaining stuff...
Here are a couple:
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 articles by paul wheaton: [diatomaceous earth] [raising chickens] [Sepp Holzer] [cast iron] [flea control]
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.JPG "Mulch-mowing vs. side discharge IMG_3709 (Small).JPG")
IMG_3709 (Small).JPG.JPG "Mulch-mowing vs. side discharge IMG_3716 (Small).JPG")
