Mycorrhizae & Mycorrhizal Soil Amendments

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Stephen Legaree and I discuss mycorrhizae - what they are, how they benefit plants, and how to increase their numbers and effectiveness. We also discuss mycorrhizal amendments and their limitations. How to increase number and effectiveness of mycorrhizal associations: 1) Avoid disturbing the soil as much as possible 2) Avoid dramatic changes in soil pH 3) Don't over-water or over-fertilize 4) Limit soluble phosphate fertilizers 5) Grow a wide variety of plants 6) Use compost and mulch Limits of Mycorrhizal Amendments 1) Native mycorrhizal fungi are usually plentiful and well adapted to growing conditions and plants growing in the garden 2) There may be dozens of species of mycorrhizal fungi in your soil, while amendments often only include a few 3) The fungi are sensitive to heat and may not survive shipment and storage. 4) Research has shown that mycorrhizal amendments are not effective in real-life growing conditions when tested against a control. Sources: Performance of Mycorrhizal Products Marketed for Woody Landscape Plants: http://urbanforestry.frec.vt.edu/documents/articles/2009JEH.pdf "The Top 10 Gardening Products NOT to buy: Mycorrhizal Fungi Inoculant Products": http://www.gardenmyths.com/mycorrhizal-fungi-inoculant-products/ "Mycorrhizae: So, What the Heck Are They, Anyway?" http://puyallup.wsu.edu/~Linda%20Chalker-Scott/Horticultural%20Myths_files/Myths/Mycorrhizae.pdf "Decoding Gardening Advice: The Science Behind the 100 Most Common Recommendations" by Jeff Gillman and Meleah Maynard One Yard Revolution is all about growing a lot of food on a little land using sustainable organic methods, while keeping costs and labor at a minimum. Emphasis is placed on improving soil quality with compost, mulch, and compost tea. No store-bought fertilizers, soil amendments, pesticides, compost activators, etc. are used. Join me on Facebook: https://www.facebook.com/oneyardrevolution Channel Page: http://www.youtube.com/user/OneYardRevolution Featured Playlist: http://www.youtube.com/watch?v=_B8-1sVcfzE&list=PLApXYvbprElyg12L_Uj4aq0L9pbKOILQt&index=2

Comments

A little off topic, but tomatoes should be taken out root and all to limit spread of disease, correct?

dear can u give solution to produce micorrhiza on large scale by the components that can be easily available

Loved the video, Guys! Keep them coming!!

can you type what each of the ways is called ?

Hi Patrick, I am a container gardener, I only use potting mix. I have incorporated oatmeal into my potting mix as a mycorrhizal amendment. Do you think this is a good practice? Larry

Thanks for another informative video. After watching it, I found a 15 part video series of an experiment conducted in Netherlands using mycorrhizae alone without fertilizer and with 90% less water. These videos show how important is mycorrhizae fungi to our plants and soil. Here is the link for the videos - https://www.youtube.com/watch?v=pV7ftuIfSeA

Initially I was happy n excited to hear about the symbiotic relation of the mycorrhizae fungi and the plants, and the benefits of inoculating them in my soil. But when you said there is a chance of them being in Parasitic mode, that made me a lil cautious.
So do you think that their benefits outweigh their risks (parasitic mode or any other problems)

These little info make me very much concerned. :)

i learned something again today thank u so much for both of u

Every time I replanted, I would lose fifty percent or better from transplant shock. now with mycorrhizal near 100% success!

I am using mycorrhizal fungi for the 1st time. I have purchased it on line and I have coated the roots of some potatoes I have just planted in pots. I am not sure what to expect or how to determine if this stuff works. It's an experiment. The potatoes will be harvested in about 3 months time so fingers crossed. In the mean time please watch the attached video and let me know what you think. Thanks HGV. https://www.youtube.com/watch?v=g7WEjQ7_geA

I love the idea of both channels working together. Both you guys bring such valuable information to all of us Thank you

Do you know of any ways to increase or bring in new mycorrhizal fungi naturally?

Should I add mycorrhizal fungi when planting a new (to me) fruit tree (asian pear multi-graft)? It's a 6 foot 4-in-1 Asian pear tree coming from a nursery in Georgia. I'm in SoCal.
They also sell a package of mychorrhizal fungi. Where I'll be planting it, I cleaned off the area a few months ago, put about 4-5 layers of paper down, put about an inch of organic compost on top of that, and then a couple inches of citrus mulch. I did that for about a 10' x 20' section where this tree will be planted.

You have my gloves, love them.

Yeah, there is a lot of online buzz promoting these products and I personally have never used the stuff to make my garden grow. I did try a packet on my beans last summer and am unsure if there was any improvement (total loss 1.49). After introducing organic material and worm castings, nature takes over. I do use a sprinkle of Jobes fertilizer with some type of beneficial microbes, not sure if that makes a difference other than feeding my plants as the nutrients get used up... Your channel is honest and does not promote products.

A knee high nylon stocking filled with rice and buried for a month in 'happy ground' somewhere on your property is a good way to collect and deliver fungi to your raised bed, seed starter trays and planting holes. Put about a pound of rice in the stocking, tie a knot, dip it in honeyed or molasses water and plant deep enough to discourage squirrels and such...and wait. The fungi collected is local and correct for your area. Best, if you're a guy, to avoid being seen fooling around with stockings.

so I'm a lil confused, is it a good idea to use mycorrhizae in an indoor setting for veggies when using organic based or even some synthetic nutrients? I use pro mix hp.

Is this the only way to create humu? No tilling, and letting woodchips slowly compost as a mulch. It would be like recreating the forest floor as your mulch without disturbing the soil.

saw a guy on youtube gather local fungi by burying rice in a nylon sock. When starting a raised bed from near scratch, is this a viable practice or is this guy a kook?

If mocorrhizae are not currently existent in my soil, is it likely that the micorrhizae will find their way into my soil on there own in ideal conditions?