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Leachate as lawn feed?

Morning all!

A neighbour of a customer was telling me about an old mate of his, he put all his grass clippings in an open air tank with a tap at the bottom to drain off liquid to feed his lawn.

I really like this idea.

Thoughts anyone?

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  • PRO
    Might work don't know but I bet it stinks!!
  • PRO Supplier

    Sounds good.

    The grass will take a while to break down but I can't see why it shouldnt provide some NPK once it has. Once it really gets going you could also end up with a lovely brew containing all manner of good bacteria.

  • PRO Supplier

    Compost Tea ! You can add seaweed meal, molasses and even worm castings, stir frequently and decant into bottles within 24 hrs unless you use an aerating pump to bubble oxygen through the mix. Without it, the liquid can start breeding anaerobic bacteria which makes it start to smell bad - this, in turn, would not be good for soil. Oh and use rain water not tap water...

    • So when my 'tea' drains through I need to bottle it till use? And the rain water, is that to dilute the brew?

  • PRO
    I have seen it done, but surely it is silage effluent without some magic worked on it?

    http://adlib.everysite.co.uk/adlib/defra/content.aspx?id=000IL3890W...

    Andy Betteridge
    ARCHIVE: Waste Management Advisor - Silage effluent
    • PRO Supplier

      Silage effluent has NPK value (at the perfect ratio! 2-1-1.5 ) so would be a good lawn feed but it can be quite acidic so they would need to be wary of scorching.

      • PRO
        Surely that depends on loads of factors and not the same each time.
        • PRO Supplier

          Yes, the concentration will vary a lot. Generally the ratio of N:P:K will be the same.

          • PRO
            Only if the ground had the right amount of npk to start with. If it was always right there would be no need for soil testing would there?
      • scorching? so id need to dilute it?

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