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Posted by collperson (U13806187) on Sunday, 11th July 2010
I put nettles into a bucket some time ago, added water, and put a clothespeg on my nose. The resulting grey smelly brew has been used on the contents of my greenhouse, but how am I to tell how effective it has been? Does anyone know of a trial over the efficacy of this nettle water? And wow, doesn't it make the greenhouse stink!
Stinging Nettles contain a lot of nitrogen as well as sulphur, magnesium,
iron and other minerals.
I guess the only way to know the effectivenes is to get it tested. There are labs around the country who will carry out testing for you but it is expensive.
I presume you are doing this because it is free ! (thats why I do it anyway)
I would take some comfort from knowing that you are giving your plants a good organic feed. I wouldnt worry about the make up of it.
HTH
PJ
Do you water as well, with anything other than nettle brew? It seems to me it would be too stagnant and deoxygenated to use too much. Also a stinking greehouse is quite a high price to pay, isn't it? I go in mine often to read the paper or listen to the radio while I'm pottering about, so I don't think I could sit there in a strong pong.You'll reek of it too!
Surely a trial is very easy. Water one third of the plants with nettle water. One third with commercial tomato feed and one third with plain water, and Spot the Difference.
I'm using nettle brew as well as commercial products. Having separated what goes on which plants I can say that the nettle seems to do very well, though the stench is apalling.
I use it too. One unexpected benefit - a whole seat to myself on the way back from the allotment!
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