Excess Nitrogen in veg plot soil

I have a high reading of nitrogen in my vegetable plot can anyone please advise on how I can reduce the reading?

Thankyou

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Posts

  • fidgetbonesfidgetbones Posts: 11,271

    Grow something that uses a lot of nitrogen such as leafy greens, brassicas, and make sure you remove all the growth from the soil when you harvest it.

    It's not a mess, it's a nature reserve.
  • BobTheGardenerBobTheGardener LeicsPosts: 6,503

    I would do as FB suggests.  If really bad (eg a previous owner went crazy with ammonium nitrate) you could mix sawdust with the soil which will take-in nitrogen as it decomposes.  This is exactly the reason you shouldn't normally use fresh sawdust on the garden as it removes nitrogen from the soil.

    A trowel in the hand is worth a thousand lost under a bush.
  • Dig in some straw.......

  • Just a thought....Many people use mulch in their garden and have problems with the mulch depleting the nitrogen in the soil as it breaks down. When you have too much nitrogen in the soil, you can use this normally frustrating problem to your benefit. You can lay mulch over the soil with too much nitrogen to help draw out some of the excess nitrogen in the soil.

  • Thanks for your advice.  Where would the best place be to get sawdust are we talking the kind you put in a rabbits hutch?

    Verdun for the last couple of years my Wilja potatoes have been six foot high with obviously no potatoes to speak off when harvested.  I was told by a local garden centre that there was excess nitrogen in the soil.

    I grow runner beans in the soil and they have always cropped well, brocoli didn't do too well last year.

    I suspect I introduced the high nitrogen when I put fresh horse manure on the land in the autumn and now I can't seem to reduce the level in the soil.

    David K what kind of mulch did you have in mind?

     

     

  • Runner beans, all beans, peas etc fix nitrogen out of the air into their roots. So they will make things worse.

  • Bark chippings, leaf mould or anything that hasn't already decomposed.

  • FleurisaFleurisa Posts: 779

    Lettuce need nitrogen

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