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Old Horse Manure

Posted by c3eng (My Page) on
Mon, Oct 15, 12 at 0:00

I would like to amend my garden soil with manure before the winter. I have an opportunity to get old (5 to 7 year) horse manure. Would manure of this age contain enough nutrients or should I hold out for newer composted manure. In advance, thanks for any and all advice.


Follow-Up Postings:

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RE: Old Horse Manure

There is no really good way to know without having a good reliable soil test dfone to your soil now, adding that manure, and then in a few months retesting that soil to see the difference.


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RE: Old Horse Manure

I'm not any expert, but the simple fact that you are adding organic material would count for something--in a positive way. It does depend on what your goal is. I added some very old horse manure to my front flower bed, but I hope it is relatively nutrient poor, so my flowers will still have a tendency to bloom. My manure was convenient and free, and my soil is very sandy, so I can't really lose much. Though the stories circulating about contaminated manure from chemical treated hay is pretty unnerving. Best of luck.

Martha


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RE: Old Horse Manure

The the class of herbecide that remains in compost that causes problems generally have half lives of a year to 18 months. So anything 5-7 years is most likely o.k.


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RE: Old Horse Manure

With horse manure, the older the better. I'd grab that stuff before someone else gets it.


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RE: Old Horse Manure

  • Posted by pt03 2b Southern Manitob (My Page) on
    Sat, Oct 20, 12 at 18:16

I'd take it in a heart beat. Work it in now, cover the garden with some shredded leaves and plant in the spring.

Lloyd


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RE: Old Horse Manure

More stable compost continues to release nutrients and in my opinion gives you more bang for the buck as all other useful benefits will be greater with the more aged stuff just because future breakdown and reduction of organic matter will be slower.

Percentage of organic matter in the soil is a big part of determining the richness and native nutrition of any given soil- available water, tilth, texture, etc, etc.


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