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  • Horse manure and Barrier H / Roundup.

    Hi all,

    I hope this thread is in the right place!

    I have found a local source of horse manure and have asked them about any weed treatment the field has had. The response i had is as follows:

    "has had ragwort treatment 7 years ago with barrier h, then about 5 years ago ragwort individually sprayed with round up"

    Presumably bearing in mind the amount of time that has passed it would be safe to compost this down and use it later this year?

    I have also read that repeated applications of horse manure can increase the salinity of the soil. Is this genuinely a concern or as long as i'm not piling tonnes of it on the plot it will be ok?

    Many thanks,

    Stan

  • #2
    The active ingredient in Roundup is glyphosate, so it doesn't present the same problems as Aminopyralid. In that respect the manure should be safe to use.

    I don't understand how manure could increase the salinity (salt content) of soil - do you mean the PH (acidity level)?

    Comment


    • #3
      ACTIVE INGREDIENT:
      Dichlobenil: 2,6-dichlorobenzonitrile. . . . . . . . . . . . . . . . . . . . . . 4.0%
      INERT INGREDIENTS: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96.0%
      TOTAL 100.0%

      That's all the info I can find about Barrier H from http://www.pbigordon.com/pdfs/Barrier-SL.pdf

      Comment


      • #4
        That one is an American product AP Barrier H contains 22.9% Citronella Oil

        It is a spot applied Ragwort herbicide,more info ..... Barrier H Ragwort Killer 5L ... there will probably be more on the DEFRA site
        He who smiles in the face of adversity,has already decided who to blame

        Artificial intelligence is no match for natural stupidity

        Comment


        • #5
          Manufacturer info .......... Barrier Biotech Limited - Animal Healthcare
          He who smiles in the face of adversity,has already decided who to blame

          Artificial intelligence is no match for natural stupidity

          Comment


          • #6
            Originally posted by rustylady View Post
            The active ingredient in Roundup is glyphosate, so it doesn't present the same problems as Aminopyralid. In that respect the manure should be safe to use.
            Thanks.

            I don't understand how manure could increase the salinity (salt content) of soil - do you mean the PH (acidity level)?
            Bottom paragraph here: How Long to Wait Before Using Horse Manure in a Garden | eHow.co.uk

            Comment


            • #7
              Originally posted by Aberdeenplotter View Post
              ACTIVE INGREDIENT:
              Dichlobenil: 2,6-dichlorobenzonitrile. . . . . . . . . . . . . . . . . . . . . . 4.0%
              INERT INGREDIENTS: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96.0%
              TOTAL 100.0%

              That's all the info I can find about Barrier H from http://www.pbigordon.com/pdfs/Barrier-SL.pdf
              Originally posted by bearded bloke View Post
              Manufacturer info .......... Barrier Biotech Limited - Animal Healthcare
              Thanks both! Looks ok then to my uneducated eye!

              Comment


              • #8
                I tend to take eHow articles with a pinch of salt (pun intended).

                For a start, it tells you to dig (till) manure in to avoid problems: well, you don't need to dig it in, it's actually better applied as a mulch
                All gardeners know better than other gardeners." -- Chinese Proverb.

                Comment


                • #9
                  Here are some studies re: salinity of soil. I haven't the time to digest them, but I'm interested in a summary, if anyone fancies wading through them:

                  ScienceDirect.com - Agriculture, Ecosystems & Environment - Does long-term heavy cattle manure application increase salinity of a clay loam soil in semi-arid southern Alberta?

                  Influence of lime, fertilizer and manure applications on soil organic matter content and soil physical conditions: a review - Springer
                  All gardeners know better than other gardeners." -- Chinese Proverb.

                  Comment


                  • #10
                    I read the article, and another one that I found by googling. They don't mean salt as we know it (household salt or sodium chloride), but mineral salts.

                    Comment


                    • #11
                      Originally posted by rustylady View Post
                      I don't understand how manure could increase the salinity ...?
                      "mineral salts are routinely added to animal feed worldwide"

                      I didn't know that

                      "Field experiments were conducted ... to evaluate ... soil salinization by successive application of chicken manure (CM) and pigeon manure (PM) to a garden soil "

                      "After ...successive application of CM and PM... resulting in a rise in soil salinity from low to medium levels and a slight reduction in soil pH"

                      ScienceDirect.com - Science of The Total Environment - Salinity of animal manure and potential risk of secondary soil salinization through successive manure application
                      All gardeners know better than other gardeners." -- Chinese Proverb.

                      Comment


                      • #12
                        Originally posted by Two_Sheds View Post
                        "mineral salts are routinely added to animal feed worldwide"

                        I didn't know that

                        Cattle in pastures get extra salt & minerals from "licks" ..........

                        Why do cattle need salt mineral blocks to lick
                        He who smiles in the face of adversity,has already decided who to blame

                        Artificial intelligence is no match for natural stupidity

                        Comment


                        • #13
                          Originally posted by Two_Sheds View Post
                          I tend to take eHow articles with a pinch of salt (pun intended).
                          [to take eHow articles with a pinch of salt (pun intended).

                          For a start, it tells you to dig (till) manure in to avoid problems: well, you don't need to dig it in, it's actually better applied as a mulch

                          Yes! Totally agree. Let the worms do the work and less back ache too!

                          Carbon Gold is the world’s leading biochar company with a range of Soil Association approved GroChar products - peat-free composts, soil improver and fertiliser - which all contain biochar, seaweed, wormcasts and mycorrhizal fungi.

                          Carbon Gold's aim is to support and promote sustainable food production and improved food security through biochar products and related projects. Biochar naturally improves soil structure, enhances soil fertility and boosts soil health whilst sequestering atmospheric carbon dioxide for hundreds of years.

                          Carbon Gold have also developed a range of kilns for low cost biochar production. www.carbongold.com

                          Comment


                          • #14
                            Cattle (and people) need mineral supplementation for optimum health because most farmland has been worked for many decades without adequate mineral replacement. Modern 'Conventional' farming routinely removed 60+ minerals in the crops and replaced only 3 (NPK) for so long that all the others are depleted or completely gone. Traditional mixed farming didn't overstock and returned all the manures and wastes to the soil, so livestock remained healthy because it was diverse and there was no monoculture. (It was also labour intensive, so less unemployment too) Add to this hundreds of years of rainfall leaching minerals from soil left bare and tilled over the winter, and you get the picture. Green manuring and organic mixed farming (and smallholding) have a vital role to play in regenerating our Earth's fertility!

                            Comment


                            • #15
                              Originally posted by optiminx View Post
                              Cattle (and people) need mineral supplementation for optimum health because most farmland has been worked for many decades without adequate mineral replacement. Modern 'Conventional' farming routinely removed 60+ minerals in the crops and replaced only 3 (NPK) for so long that all the others are depleted or completely gone. Traditional mixed farming didn't overstock and returned all the manures and wastes to the soil, so livestock remained healthy because it was diverse and there was no monoculture. (It was also labour intensive, so less unemployment too) Add to this hundreds of years of rainfall leaching minerals from soil left bare and tilled over the winter, and you get the picture. Green manuring and organic mixed farming (and smallholding) have a vital role to play in regenerating our Earth's fertility!
                              Well said

                              Carbon Gold is the world’s leading biochar company with a range of Soil Association approved GroChar products - peat-free composts, soil improver and fertiliser - which all contain biochar, seaweed, wormcasts and mycorrhizal fungi.

                              Carbon Gold's aim is to support and promote sustainable food production and improved food security through biochar products and related projects. Biochar naturally improves soil structure, enhances soil fertility and boosts soil health whilst sequestering atmospheric carbon dioxide for hundreds of years.

                              Carbon Gold have also developed a range of kilns for low cost biochar production. www.carbongold.com

                              Comment

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