This simple Grazon test works for manure, compost and hay.

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If you are worried about Grazon contamination in manure or hay, it makes sense to do a simple Grazon test using beans. This will ensure you don’t have toxic herbicides killing your garden.

47 Comments

  1. I did the same thing with horse manure, I gathered a wagon load piled it up and planted black-eyed peas. The peas came up and even produced a few beans. Now it’s divided among my beds, looking forward to fall greens.

  2. Black cow manure has been proven to kill gardens and yet hollis and nancy still continue to advertise it on their channel, looks like they enjoy the paycheck from black cow more than actually helping people grow food!

  3. David, if someone​ ate the food from a plant that was infected, is there specific dangers in eating those foods?

  4. Grazon hey? 🤔 yeh theyre happily selling it in Australia too! One effective method of stopping ppl growing their own food by what im reading.

    Most home gardeners wouldnt know about this and totally ruin their garden! You would need to dig up/dump all the tainted soil! Surely that would help? Its is difficult and expensive when you have no option but to buy in soil and organics.
    I dont know of any way of tracing where it comes from nor of any standards that need to be labelled.

    If they know this is an issue for future crops why are they still allowing its use? By the look of it, it is very widely used in the agricultural industry so it would be almost everywhere!

  5. this is amazing timing on this video. my first cup of coffee this morning and your new video blows my mind. yesterday evening I loaded my truck with crates to go to a neighbor's field and collect Cow Patties because in zone 8B we haven't had rain in a month either perfect timing for Gathering patties. I always take an extra little bucket of compost with me because I find so many worms under the patties. so do you think the worms are contaminated too??? I don't see how they can't be. seems like our whole system is contaminated. I'm still going to collect my patties this morning but I'm going to secure them in an area where I can test them your way. I've been wanting to ask you if you grow coyote squash?? ours are just starting to come in good and I would love to share some with you for seedling.

  6. Started a double-bucket compost system a while back. Slightly larger bucket with holes drilled in the bottom resting on a slightly smaller bucket, and a black plastic garbage bag over the top. Food scraps go in the top, and I've currently got an army of meal worms making food scrap piles shrink over night 😀 Bottom bucket collects any liquids, which I'm then needing to store in large plastic containers.

    Also been making ash fertilizer, and soaking charcoal in the compost tea, just put some at the bottom of potting bags for transplanting pumpkins and butternut (need to move, so trying to pull them out of the ground and into the bags), hopefully it works well 🙂

    Thank you for the inspiration 🙂
    God bless!

  7. Thank you very much for this video very practical and very needed appreciate you your family and your contact cheers Central Florida

  8. Compost worms will detoxify, but you have to get them out before they die. Don’t use them for feeding chickens, or anything.
    They actually used earthworms to detoxify mining trailings in a study I saw. Please research for yourself, but it would be an interesting test to try if you get a load of contaminated manure.
    To get compost worms to leave an area, use a melon…they LOVE melon! Cut a hole, face it down into the manure…it will fill up with the worms.

  9. Thank goodness I only had a bag garden , i have discarded all that soil. This is what happened to my plants . I'm composting my scraps and chicken manure ..i did not put any bought manure in my garden beds thankfully

  10. A note also to anyone buying bagged compost or green waste compost. That too can be affected by aminopyralid.
    Save yourself any heartache by doing this simple test before using it.
    Many thanks to David The Good for all the great work.

  11. I bought some soil cube and put that stuff everywhere. Took me a while to put it together. Potted on some tomato seedlings that died within days. Never had that happen before. I tried again with potting soil because I thought the cube might be too heavy. Great seedlings. When I put them into the cube amended soil, it took three days to see that something was drastically wrong. I have that cr*p mixed in to a lot of my little garden. Pure evil.

  12. We love all your videos, David. My 13 year old daughter has read all your books and can't wait to hear your talks at the event this weekend!

  13. Thank you, David! It happened to us–our garden ruined by a load of "all natural garden topsoil" that twisted, stunted, and killed half our crops. Worse, I had added some around fruiting bushes–they got twisted stunted leaves too. Wish I had done a test first…
    And as an artist and card-carrying goofball– LOVED that artsy film moment! This is our favorite youtube channel!!!!❤

  14. I reached out to Black Kow and received this reply:
    Hi Penny,

    There are more concerns today about herbicides sprayed on pastures getting in Black Kow and then damaging plants. The herbicides creating most concern are (chloryralid or aminopyralids). These herbicides were mainly used on lawns on the west coast. So the residues have usually been found in yard waste composts. The residue from the herbicide will dissipate if it is aerobically composted over a period of time. We compost our products for 10 to 12 weeks. Then the compost is cured for an additional 6 to 8 months.

    We also routinely perform growth tests and lab tests to check for contaminants. We have never found herbicide residue in our products.

    The only way to be 100% sure would be for the consumer to do a grow test with some pea or bean seeds before using the product in their soil.
    Mix BK 50: 50 with clean sand. Plant 3 to 4 seeds, water
    Plant 3 to 4 seeds in a sterile, peat based potting soil.
    If seeds germinate in both mixes, then the compost is fine.
    Many factors can contribute to damaged plant growth such as high winds, neighbor spray contamination, other products used.
    You can check with local county extension office for more accurate information.

  15. awesome video. I just gathered a bag of manure on friday and was hoping you would make a video about this subject!

  16. Mr Good, please tell me the name of the soil tester company you have used. I've been looking through your videos and posts, but haven't had any luck.
    thank you so much.

  17. Thanks for the suggestion. I picked up some horse manure from a horse riding stable winter 2021 and was reluctant to use it in my garden after reading about Grazon. I have not heard of anyone having problems in NE NC but I don't want to be the first. I am testing it using your method and the beans have just popped up from the soil. Thanks for the good advice.

  18. Bought a bag of composted manure from my local Ace hardware and a bag of black beans from walmart. Here we go, adding manure to some potting soil and planting 4 beans yo see if this is ok to use. (Soaked them overnight also) bag is advertised as intended for both flowers and vegetable plants. We’ll see.

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