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View Full Version : Cost per acre to kill dandelions?


997Gene
05-08-2010, 02:10 AM
I mow seven acres every week here in southern Wisconsin. Dandelions are rediculous. I was wondering if I picked up a sprayer for my 650 John Deere how much I would have to spend in weed killer to get the job done. How often would it need to be done?

Any help appreciated.

dwost
05-08-2010, 06:47 PM
Probably in the neighborhood of 5 gallons of mix. You can pick up 2,4-D LV4 at Tractor Supply for $60/2.5gallons. So roughly 125 for mix and another 300 for a sprayer and you are good to go. Once they are knocked out it will be very easy to maintain. I have a 25 gallon Fimco boomless that I picked up and fits in the 2" receiver on the rear of my mower. Hardwired the switch and I now have a trick spray rig that will spray a 30' pattern. Works like a champ!

997Gene
05-08-2010, 08:03 PM
Thanks for your reply. How often does it need to be maintained? I'm just wondering about the total cost per year less the sprayer.

Thanks,

Gene

dwost
05-08-2010, 10:35 PM
Probably 2 apps initially should knock it out then you may never need to spray again if you keep it maintained. Cut high and if you can fertilize at least once/year you should be all set. Your annual cost will really depend on how much you want to spend on fert. If its only weeds you are concerned with it may need spot spraying after you knock out all the major stuff but that's abou tit. If you do get a spray rig you can apply liquid fert which is much cheaper and easier than granular for that much property. Here is my setup. Since I posted this I've cut down the excess metal on the platform to reduce weight and bulk. I can snap some updated pics if interested. Works great! http://www.lawnsite.com/showthread.php?t=282890&highlight=spray+rig

997Gene
05-09-2010, 12:03 AM
So are you saying one would only have to spray once a year for dandelions? Don't know if I would fertilze or not. Great soil out here, thick grass, can even be tough to stay ahead of. Just tired of these dang weeds.

Love your setup! Awsome job. And you don't even do this comercially? I'm handy enough to do something like that as well. I mow my three plus acres and my dad's four. So once I get the sprayer I could keep those stupid yellow flowered weeds away for about 150 or so a year?

I really appreciate the info.

Gene

dwost
05-09-2010, 09:04 AM
Hey Gene, yes that's exactly what I'm saying. Once you get them under control you will probably only need to spot spray. I have some property behind us that is "common area" that was covered with dandelions. It took two full sprays and knocked them all out. I now don't need to spray the entire thing. I may mix up a tank and use the wand to spot spray. After your initial treatment, you can buy a 2.5 gallon jug and it will probalby last you for a few years so your cost would only be in the $10-$20 range per year. Shouldn't cost much at all.

Thanks for the kudo's. Yeah, I'm a bit obsessed :) We own a company and I cut that property as well but that's it. Figured if your gonna do it, do it right.

997Gene
05-09-2010, 11:18 PM
Well I think I'm getting me a sprayer. Going to be looking for one that will attach to the 3 point hitch on my JD 650. Will be wonderful to get rid of these weeds that grow overnight. Thanks again for all your help.

Gene

kamp
05-12-2010, 05:16 PM
Last year a got a gallon of Redeem from MFA. Its more of a ag herbicide but works great. I think the gallon was $80 and I only used half a gal on 2 acres. It did a good job on all the weeds in my yard and I only sprayed it once mid summer.

997Gene
05-12-2010, 10:33 PM
Probably 2 apps initially should knock it out then you may never need to spray again if you keep it maintained. Cut high and if you can fertilize at least once/year you should be all set. Your annual cost will really depend on how much you want to spend on fert. If its only weeds you are concerned with it may need spot spraying after you knock out all the major stuff but that's abou tit. If you do get a spray rig you can apply liquid fert which is much cheaper and easier than granular for that much property. Here is my setup. Since I posted this I've cut down the excess metal on the platform to reduce weight and bulk. I can snap some updated pics if interested. Works great! http://www.lawnsite.com/showthread.php?t=282890&highlight=spray+rig

Hi again, well after searching around for three point sprayers that were reasonable in price and not too big, I gave up and bought a similar unit to yours. It's also made by Fimco but has the extending boom arms. I don't know the the pump is as big as yours. I'm in the process of making the bracketry to weld to my 997 JD. It will be a slip in removable unit as well. I'm frustrated about something though. Nowhere in the literature does it mention how high the nozzles should be off the ground! I see yours is a completely different style so I don't know that it would be the same height. Will probably call FIMCO tomorrow. Got to head south for a wedding this weekend so that will hold me up for sure. What area of the country are you located in and what chemicals do you use. Thanks again for your help.

Gene

dwost
05-12-2010, 10:42 PM
Hey Gene,

I almost bought that one but decided I wanted something more compact and went with the boomless model. Either one will work fine, just be careful going around trees :) My nozzles are about knee high (maybe a bit higher) off the ground and it's perfect. I'd keep it around that height as you don't want it much higher as the wind will cause all kinds of issues.

I live on Lake Erie outside of Cleveland Ohio. I typically use Three-Way from Lesco. I've also sprayed Drive for crabgrass with it as well as liquefied iron, again with great results. It really is a handy tool for sure. I typically buy all my stuff from Lesco. I've also used 2, 4-D LV4 from Tractor Supply. This is very reasonable ($60 for 2.5 gallons) and works well for broadleaf control if you don't have a Lesco nearby. Snap some pics of your setup once it's complete. My latest mod was hard wiring the switch to the mower. Now I don't have to snake the wire around the motor and risk melting it on the exhaust. Again, I'd recommend doing something similar if you aren't going to use it on another machine.

997Gene
05-12-2010, 11:53 PM
Once again, great information thanks. As far as the switch is concerned I had planned on mounting a removable switch on the right steering handle so I could turn it on and off on the fly. I'm also thinking of a few modifications so I can turn valve, fold in the arms then finish around the trees. I'll shoot some picks when I'm done. Just need some time to get er dun! Gene

997Gene
05-30-2010, 11:45 PM
Hey Gene,

I almost bought that one but decided I wanted something more compact and went with the boomless model. Either one will work fine, just be careful going around trees :) My nozzles are about knee high (maybe a bit higher) off the ground and it's perfect. I'd keep it around that height as you don't want it much higher as the wind will cause all kinds of issues.

I live on Lake Erie outside of Cleveland Ohio. I typically use Three-Way from Lesco. I've also sprayed Drive for crabgrass with it as well as liquefied iron, again with great results. It really is a handy tool for sure. I typically buy all my stuff from Lesco. I've also used 2, 4-D LV4 from Tractor Supply. This is very reasonable ($60 for 2.5 gallons) and works well for broadleaf control if you don't have a Lesco nearby. Snap some pics of your setup once it's complete. My latest mod was hard wiring the switch to the mower. Now I don't have to snake the wire around the motor and risk melting it on the exhaust. Again, I'd recommend doing something similar if you aren't going to use it on another machine.

Well, I got it together and sprayed for the first time. What I did was welded sections to the frame rails of my 997 then use more square tubing for the sprayer frame so it attaches like a reese hitch on both sides. I bought a motorcycle switch for the steering handles, this worked out really slick. I can put the spray on constantly by using turning the headlight switch to on or I can just push the kill button for intermittent use. It works well while steering without having to take my hands off the bars. As you can see I also made a cradle for two tractor weights from my JD 650. The front end would do wheelies with the tank full.

I hope it wasn't a no no but I sprayed while mowing. I mounted valves on the outside booms so I could turn them off. The remaining 3 nozzles in the middle ended up fitting my mower cut perfectly. Yes, I needed to mow a little slower but I like the thought of the spray being on the grass instead of the clippings, besides, I killed two birds with one stone, not to mention those stinking dandelions.

I'm pleased with the results. Thanks for the encouragement!:cool2:

Gunnels Grounds & More
05-31-2010, 02:48 AM
Great job.

RDA
05-31-2010, 03:36 PM
I hope it wasn't a no no but I sprayed while mowing.

Actually, it probably was a "no no" as most products do not recommend it and actually state something along the lines of wait two days after mowing and/or two days before mowing when using the herbicide.

Think about it, you are trying to kill dandelions right? Well, if you just mowed them, then there is less foliage for the herbicide to contact. Also, the grass can suffer more damage from the herbicide right after mowing.

The rig does look nice though.

Regards,

Rich

997Gene
05-31-2010, 06:07 PM
Yeh, I was afraid that might be the case, the broad leaves are definitely dieing and there may be a hint if gass burning but I don't think it will progress much further. The grass had gotten away from me, I need to mow and the wind prediction for the whole next week looked bad. I think I'll be alright though.

Thanks