Worm Compost Leachate, Good or Bad?

Image: Permaculturewiki.

Image: PermaWiki.

In the course of preparing for our worm composting demo last week Kelly and I came across a lot of conflicting information. One of the most contentious issues in worm composting is what to do with the liquid that comes off the worm bin, called leachate.

The controversy stems, in large part, from the debate over aerated compost tea (ACT) vs. non-aerated compost tea. Fans of ACT do not like the fact that worm bin leachate is anaerobic, which they believe encourages the growth of microorganisms unfavorable to plants. They like to point out that worm bin leachate is not ACT.

The ACT debate needs a much longer post, but I did find two peer reviewed studies showing the benefits of un-aerated worm compost leachate: “Vermicomposting Leachate (Worm Tea) as Liquid Fertilizer for Maize and “Vermicompost Leachate Alleviates Deficiency of Phosphorus and Potassium in Tomato Seedlings.” I also found several Extension Service publications touting the use of worm bin leachate.

There are some caveats, however. First, it needs to be diluted–at least 1:1 and maybe, according to some sources, as much as 1:10. And you should probably test it out on a few plants before applying it to your whole garden.

And, from a food safety perspective, I’d avoid applying it to leafy greens and lettuces. I’d also point out that if you have a lot of leachate it might mean that your worm bin has too much moisture in it.

What do you think? Have you used worm bin leachate successfully? What side of the aerated vs. non-aerated debate are you on?

Saturday Linkages: Pallets, Ladybugs and Portlandia

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Street Artist Recycles Reclaimed Wood Pallets Into Mobile Pop-Up Benches in

Console Table with 3 legs – Outstanding – IKEA Hackers

Jailed for collecting rainwater:  [Update: A reader notes that there is more to this story than the headline indicates--looks like the person jailed may have been damming streams and taking water from his neighbors.]

Little chicks wearing muffin wrappers as tutus!

The Flight of the Ladybugs

The Portlandia Activity Book

World made by bigots

For these links and more, follow Root Simple on Twitter:

Worm Composting Demo at Summer Nights in the Garden

SummerNights

Join Root Simple for a worm composting demo at the Natural History Museum’s Summer Nights in the Garden series this Friday August 28. We’re showing how to set up your own vermicomposting system and raffling off a worm bin. Plus it’s the debut of the new WormCam! Grab a cocktail and join us and KCRW DJ, Anthony Valadez. The garden is one of the best in California and the event is freeeeeeeeee. More info here.

Wild Food Lab: Foraging Taken to the Next Level

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Photo: Mia Wasilevich.

There are a lot of wild food foragers out there but few who really know what to do with nature’s bounty. The gastronomical and foraging team of Mia Wasilevich and Pascal Baudar are pushing the boundaries of food and foraging, teaching classes, putting on pop-up feasts and sharing their discoveries through a website, Wild Food Lab.

Kelly and I took a class from them last weekend (you can find out about the classes through the Los Angeles Wild Edibles and and Self Reliance Meetup) where, in the middle of a hot, dry field in Southern California they proved you can still find abundant and tasty edibles. At this time of year that food comes mostly in the form of seeds. Pascal and Mia created, on the spot, a weed seed power bar, mustard and a few other wild seed enhanced foods.

Not an LA local? The Wild Food Lab website will give you an idea of what this team is up to through recipes and techniques for common wild foods. I think my favorite recipe is also the simplest: how to prepare the ubiquitous broadleaf plantain (Plantago major).

Pascal gave me a couple of ideas for ways to enhance my bread experiments with seeds and wild herbs which I’m looking forward to trying.

Do you have a favorite wild food? Tell us where you live and what you like to gather and work with.

014 All About Pressure Canning With Ernest Miller

Ernest Miller

On the fourteenth episode of the Root Simple Podcast we talk to chef, historian, educator, consultant and speaker Ernest Miller about pressure canning.

During the show we dicuss two types of pressure canners:

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Presto 23-Quart Pressure Canner and Cooker


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All American 21-1/2-Quart Pressure Cooker/Canner

Ernie recommends you get a canner with a weighted gauge–because it can be difficult to get dial gauges calibrated.

We go on to discuss botulism and the case of the Seattle man who improperly canned game.

Ernie mentions some sources for safe, tested recipes:

We conclude with answer to listener questions including:

  • Modifying recipes
  • The difference between pressure cookers and canners
  • Glass top and induction ranges and pressure canning
  • Canning salsas
  • Canning meats

You can follow Ernie’s company, Rancho La Merced Provisions on Facebook. Make sure to check out his beautiful glass fermenting vessels. And like the Master Food Preservers of Los Angeles County on Facebook.

If you want to leave a question for the Root Simple Podcast please call (213) 537-2591 or send an email to [email protected]. You can subscribe to our podcast in the iTunes store and on Stitcher. The theme music is by Dr. Frankenstein. Additional music by Rho. A downloadable version of this podcast is here.

Adobe in Action Interior and Exterior Plastering Online Course Begins on Monday, Sept. 1st

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Adobe master Kurt Gardella, the man behind our backyard oven, is teaching an online adobe plastering class. Here’s the 411:

Dear adobe friends,

The next online class I am teaching for Adobe in ActionInterior and Exterior Plastering – begins on Monday, September 1, 2014. Earthen plasters are a great way to finish just about any wall substrate in the home. They create a soft, breathable final plaster layer which regulates humidity, odors and sounds like no other wall finish can. Plastering is a great way to get a feeling for building with earthen materials because the thin plaster surfaces give us direct and immediate feedback on how well we’ve selected and mixed our clay and aggregate materials. Also, you can practice your earthen plastering skills over existing conventional walls if you wish. We’ll show you how!

Here is the direct registration link if you are interested in joining us:

http://adobeinaction.bigcartel.com/product/interior-and-exterior-plastering-8-week-online-class-from-september-1-to-october-26-2014

And here is some info about topics covered in the class:

About the Course

This course covers the fundamentals of finishing interior and exterior adobe brick walls with natural plasters and paints. Our hands-on projects for this course focus on the mixing and application of earthen plasters, lime plasters and lime/casein paints.

Topic Overview

  • historical overview of interior and exterior finishes for adobe structures in New Mexico
  • importance of respiratory and eye safety when preparing and mixing plasters
  • overview of mud plaster characteristics and why earthen plasters make sense on adobe walls
  • summary of tools and materials needed for plastering
  • window and door opening reinforcement using reed mat
  • adobe wall preparation for maximum earthen plaster adhesion
  • locating and testing clay for earthen plasters
  • locating and testing aggregates for earthen plasters and lime plasters
  • preparing lime putty 10 importance of work site and material organization for plaster work
  • fiber (straw) preparation and chopping techniques
  • sifting & preparing & mixing soil and aggregates for earthen plasters
  • wheat paste production for strengthening mud plasters
  • casein production for lime paints
  • natural exterior earthen plaster stabilization techniques (lime, cactus juice)
  • hand application techniques of earthen plasters (base coats, patching)
  • hawk & trowel application of earthen and lime plasters (leveling and finish coats)
  • basic earthen plaster ingredients and recipes
  • basic lime plaster ingredients and recipes
  • calculating surface area to be finished and materials needed
  • troubleshooting earthen and lime plasters (cracking, adhesion problems, etc.)

Let me know if you have any questions. It would be great if you joined us for this next class!

Best,
Kurt Gardella
www.kurtgardella.com

P.S. For more information about how Adobe in Action’s online classes work see:
http://www.adobeinaction.org/how-the-online-classes-work/

Low Moments in Plant Theivery

A post I did on the theft of three barrel cacti out of our front yard prompted quite a few readers to share their stories of plant thievery. There’s obviously a lot of plant theft perps out there.

The footage above, out of Skelmersdale, England has to be one of the grandest of all plant thefts. In the video you’ll see two women stealing an entire lawn. It took forty minutes and the thieves even took a smoking break.

The BBC quotes the neighbor whose security camera caught the crime, “I can’t believe the cheek of them. I’m quite speechless about it.”

In local plant theft news, a security camera at the Village Bakery in Los Angeles caught a woman stealing plants for the second time in two years.

CBS news reports,

She digs through, she grabs what she wants, and she puts them in her shopping cart,” Village Bakery and Cafe owner Barbara Monderine said. “It makes me really sad that somebody would do that. She is ruining what we’re trying to make look nice.”

Have you had any plant thefts lately?

Self Watering Barrel Gardens, Aussie style

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Gardening Australia did a video, well worth watching, of David de Vries’ self watering containers that he builds for the Red Cross in Alice Springs. De Vries has devised a simple and efficient way to turn drums into gardens. They look good too.

We’ve featured self watering containers on our blog and in our books. They are a great way to deal with hot climates and bad soil. And, in many places, drums are as plentiful as people.

Thanks to Helen in Sunbury, Victoria for the tip!