Chalard Posted February 10, 2014 Share Posted February 10, 2014 (edited) Ok read most of the threads on this.... Use UREA,(available everywhere) not too much, put the granules on the area, then hose in lightly....wait a couple of days then flood the area with water. If unsuccessful put Urea again and don't hose in for a week.....The grass will survive long enough to kill that pest of a weed. What sort of grass is your lawn??? The above method will work ok on zoysia or bermuda (couch) If it's Malaysia grass, then not so good. You can use Atrazine as a pre & post emergent for the weed & its seeds in zoysia & bermuda. Cannot on Malaysia grass. It comes in a 1kg box Mix it in a 15 litre back pack sprayer & apply that way. Get someone to translate the rate for you. It's fairly strong so be careful. You would need 50gms in 15 litres water to spray 275m2 Fertilize the grass before hand so it is strong & will recover quickly from the spraying You can buy Atrazine at local chemi shops for about B400 / kg box Edited February 10, 2014 by Chalard Link to comment Share on other sites More sharing options...
weegee Posted February 10, 2014 Share Posted February 10, 2014 Ok read most of the threads on this.... Use UREA,(available everywhere) not too much, put the granules on the area, then hose in lightly....wait a couple of days then flood the area with water. If unsuccessful put Urea again and don't hose in for a week.....The grass will survive long enough to kill that pest of a weed. What sort of grass is your lawn??? The above method will work ok on zoysia or bermuda (couch) If it's Malaysia grass, then not so good. You can use Atrazine as a pre & post emergent for the weed & its seeds in zoysia & bermuda. Cannot on Malaysia grass. It comes in a 1kg box Mix it in a 15 litre back pack sprayer & apply that way. Get someone to translate the rate for you. It's fairly strong so be careful. You would need 50gms in 15 litres water to spray 275m2 Fertilize the grass before hand so it is strong & will recover quickly from the spraying You can buy Atrazine at local chemi shops for about B400 / kg box Have to look at that one...Altrazine. I do have Malaysian Grass actually and this weed (in discussion) is brought in by birds....most probably. I have had success with Urea....but that's maybe only me. I had to play with it a bit to succeed, but that is what I am using.... Bit different looking after grass here...hey? Link to comment Share on other sites More sharing options...
avander Posted February 10, 2014 Share Posted February 10, 2014 I had what looks like the same stuff persisting in my garden back home in Sydney! It looked like some sort of clover but the version I had grew lethal 1-2cm spikes too if you left it too long. I used a Glyph product also which worked but as it just grew in the garden bed and not the lawn it wasn't that large an area so I would pull it out by hand every 2 or 3 weeks during spring and summer. It seemed to die off in the cooler periods (which won't usually be an issue in LOS). Don't have those problems in the shophouse but do miss my garden..... ( Link to comment Share on other sites More sharing options...
FinChin67 Posted February 10, 2014 Author Share Posted February 10, 2014 (edited) Thanks again! Luckily I read this before going all in with the roundup... I think I will try urea first. I need to get that translated and then go and buy it. I might fertilize the lawn before this but it's already in pretty weak state where the damn weed wreck havoc. You can see the lawn type in the photo? I have no glue what type it is. I'll try to ask when a thai comes around. I believe it's not Malaysian so this might work too (suggested by weegee above): You can use Atrazine as a pre & post emergent for the weed & its seeds in zoysia & bermuda. However, after reading what the stuff is I will give it a pass and go with urea / roundup first. So the battle plan for Wednesday is UREA after tomorrow's visit to Koh Samet. I'll give the weed one more day to enjoy and then it's execution time . Roundup that I bought I'll use on my neighbours lawn to see how it works so it does not go to waste Edited February 10, 2014 by FinChin67 Link to comment Share on other sites More sharing options...
loong Posted February 10, 2014 Share Posted February 10, 2014 (edited) Thanks again! Luckily I read this before going all in with the roundup... I think I will try urea first. I need to get that translated and then go and buy it. I might fertilize the lawn before this but it's already in pretty weak state where the dam_n weed wreck havoc. You can see the lawn type in the photo? I have no glue what type it is. I'll try to ask when a thai comes around. I believe it's not Malaysian so this might work too (suggested by weegee above): You can use Atrazine as a pre & post emergent for the weed & its seeds in zoysia & bermuda. However, after reading what the stuff is I will give it a pass and go with urea / roundup first. So the battle plan for Wednesday is UREA after tomorrow's visit to Koh Samet. I'll give the weed one more day to enjoy and then it's execution time . Roundup that I bought I'll use on my neighbours lawn to see how it works so it does not go to waste I'm not sure if it is a local translation or not, but I hear people refer to urea as Bpui Gleua, literally "Fertiliser salt". It may be because Urea in its crystalline form looks like salt. You will see the numbers 46-00-00 on the pack. I think that most fertiliser sellers will understand urea though Edited February 10, 2014 by loong 1 Link to comment Share on other sites More sharing options...
featography Posted February 10, 2014 Share Posted February 10, 2014 Responding to #41 DO NOT use Atrazene. That is a ground sterilent. It will render soil totally sterile for 7 years. Nothing will grow there. Link to comment Share on other sites More sharing options...
FinChin67 Posted February 11, 2014 Author Share Posted February 11, 2014 Responding to #41 DO NOT use Atrazene. That is a ground sterilent. It will render soil totally sterile for 7 years. Nothing will grow there. Thanks, I figured and it seems nasty stuff. Not even for my neighbours lawn... Link to comment Share on other sites More sharing options...
FinChin67 Posted February 11, 2014 Author Share Posted February 11, 2014 Thanks again! Luckily I read this before going all in with the roundup... I think I will try urea first. I need to get that translated and then go and buy it. I might fertilize the lawn before this but it's already in pretty weak state where the dam_n weed wreck havoc. You can see the lawn type in the photo? I have no glue what type it is. I'll try to ask when a thai comes around. I believe it's not Malaysian so this might work too (suggested by weegee above): You can use Atrazine as a pre & post emergent for the weed & its seeds in zoysia & bermuda. However, after reading what the stuff is I will give it a pass and go with urea / roundup first. So the battle plan for Wednesday is UREA after tomorrow's visit to Koh Samet. I'll give the weed one more day to enjoy and then it's execution time . Roundup that I bought I'll use on my neighbours lawn to see how it works so it does not go to waste I'm not sure if it is a local translation or not, but I hear people refer to urea as Bpui Gleua, literally "Fertiliser salt". It may be because Urea in its crystalline form looks like salt. You will see the numbers 46-00-00 on the pack. I think that most fertiliser sellers will understand urea though Thanks!! I think they sell here in small bags but I'll ask to make sure. Link to comment Share on other sites More sharing options...
FinChin67 Posted February 11, 2014 Author Share Posted February 11, 2014 I bought urea today and will see what happens in a few days time. Link to comment Share on other sites More sharing options...
cooked Posted February 11, 2014 Share Posted February 11, 2014 Ok. Never tried urea and I worked as a 'lawn expert' for 30 years. Atrazine does not sterilise soil for many years as stated above, I used it many times when preparing first class lawns. It prevents seeds (other than grass seeds) from germinating. Look, if you want anything resembling a decent lawn you will have to use naughty chemicals. Environmentally friendly solutions don't exist, only changes in attitude about what a lawn should look like in Thailand. Good luck. Sent from my GT-S7500 using Tapatalk 2 1 Link to comment Share on other sites More sharing options...
Scoop1 Posted February 12, 2014 Share Posted February 12, 2014 Have you tried peeing on them? That's it pissssss on it, that will do it, the good old organic way!!! fixes all and sundry, but I my opinion Agent Orange would do a better job Sorry could not resist Scoop Link to comment Share on other sites More sharing options...
FinChin67 Posted February 12, 2014 Author Share Posted February 12, 2014 Have you tried peeing on them? That's it pissssss on it, that will do it, the good old organic way!!! fixes all and sundry, but I my opinion Agent Orange would do a better job Sorry could not resist Scoop Or nuke it from orbit, just to make sure... Link to comment Share on other sites More sharing options...
FinChin67 Posted February 16, 2014 Author Share Posted February 16, 2014 I think I have had some success with hand picking the suckers (loads of work but I'm winning) and urea. It seems to clear out and new ones do not grow - maybe due to urea me thinks. I'm going to follow up on this and I have not used roundup yet. 2 Link to comment Share on other sites More sharing options...
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