Andrés Bernal

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since Apr 17, 2018
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Im an artist living in a very special jungle jumping from farm/conservation efforts to art creation in both the digital and physical realms
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Colombia - Tropical dry forest
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Recent posts by Andrés Bernal

Solar Dehydrator Plans Pack


A combo package for Davin Hoyt's beautiful and functional solar dehydrator plans.  This bundle includes both the Missoula model and the Wheaton ATC1 model, plus the rocket solar assist model, authored by Andres Bernal.


Missoula model plans
Authored by Davin Hoyt
Format: PDF file
Pages: 4, including cut-list and assembly instructions

sample pages

The Missoula model has enclosed sides and a roof to protect the dehydrator from the elements.

Wheaton ATC 1  plans
Authored by Davin Hoyt
Format: PDF file
Pages: 4, including cut-list and assembly instructions

sample pages

The Wheaton ATC model has an extended solar capture surface to increase the heat capture of the dehydrator.

Rocket Assist Solar Food Dehydrator plans
Authored by Andres Bernal
Format: PDF file
Pages: 41, including step by step 3D models and instructions

sample pages

The Rocket Assist model has a rocket mass heater inside to keep the dehydrator going through the night and cool weather.



11 hours ago
A combo package of Solar Dehydrator DIY movies!


The Movies
Solar Food Dehydrator Movie (1hr21min)

In this movie, you can follow along with creators and makers as they discuss the merits of design elements, and then go on to the build the Wheaton ATC1 dehydrator. This movie compliments the plans for building this and the Missoula model solar food dehydrator. With this video you'll get great insight into how to proceed when building your own.



Free Heat Movie (2hr18min)
This video explores the world of rocket mass heaters, and features the build of an advanced Rocket Assist solar dehydrator. Rocket Mass Heaters are possibly the most powerful solution to many of the problems confronting individuals and the global population today.  For individuals, Rocket Mass Heaters can save thousands of dollars and bring greater comfort. Some call it "carbon neutral," others "carbon negative." Heat your home with yard waste and cardboard while reducing global problems - we call it free heat!

Viewers will get a front row seat for a variety of builds:
-A solar food dehydrator with a rocket assist for when the sun goes down.
-A standard, 8 inch, pebble style j-tube rocket mass heater.  This is a basic, yet incredibly high performing system.
-A 6 inch cob style j-tube rocket mass heater in a tiny house.
-Lorena style rocket cooktop - heats a flame-embedded pot super fast, then heats the cook surface.
-A cottage-style rocket heater (with no mass) for a rocket sauna.
- and much more!






11 hours ago

Lina Joana wrote:Are there previews available anywhere? I typically like to see if the style resonates before I spend money.



We got permission from Diego to show the first intro video of the first module. It’s now included in the first post above.
6 days ago


Ready to turn your farm dream into a real business?

Start Your Farm Now is a practical business course for people who want to start, organize, and grow a farm enterprise with more clarity and fewer expensive mistakes.

This course walks you through the real-world decisions behind launching a farm business: choosing the right enterprise, understanding your market, planning your finances, forming your business properly, building your brand, and learning how to sell what you produce.

Instead of romanticizing the idea of farming, this course helps you look at the numbers, your lifestyle, your customers, your business structure, and the practical steps required to make the whole thing work. You’ll learn how to think through profitability, marketing, branding, planning, and the hard realities that many new farm businesses face.

By the end, you’ll have a much clearer picture of what kind of farm business fits you, what it will take to run it, and how to move forward with a stronger plan.


What's in the course:

Module 1: Entrepreneurship 101

Lesson 1: Introduction
Lesson 2: The Reality of Starting and Running Your Own Business
Lesson 3: Not Knowing What You Really Want
Lesson 4: It Might Not Be a Fit Now
Lesson 5: The Family Falls Apart
Lesson 6: Running a Business That is Really a Hobby
Lesson 7: Poor Enterprise Selection
Lesson 8: Poor Market Selection
Lesson 9: Not Charging Enough
Lesson 10: Blow Up Financially
Lesson 11: Failure to Keep Records and/or Actually Look at Them
Lesson 12: Lack of Confidence
Lesson 13: Failing to Acknowledge How Hard This Really Is
Lesson 14: Not Taking This As Serious As You Need To
Lesson 15: Not Realizing, This Is A Lifestyle
Lesson 16: Focusing on Ideology, Not the Necessary Reality
Lesson 17: Poor Execution
Lesson 18: Poor Time Management
Lesson 19: The 10x Problem
Lesson 20: Obsessing on Specifics
Lesson 21: Too Much D.I.Y.
Lesson 22: Bad Business Partners
Lesson 23: The Relationship Falls Apart
Lesson 24: Life Gets In the Way
Lesson 25: Fighting Reality, Failure to Pivot
Lesson 26: Putting It All Together

Module 2: Whole Life Context

Lesson 1: Introduction
Lesson 2: Introduction
Lesson 3: An Overview of the Framework
Lesson 4: Where Do You Want to Go
Lesson 5: Where Are You At Now
Lesson 6: Why Do You Want to Go There
Lesson 7: Is It Just You Doing This
Lesson 8: What Do You Need to Create a Life Like That
Lesson 9: Putting It All Together

Module 3: Financial Planning For The Entrepreneur

Lesson 1: Introduction
Lesson 2: What is Financial Planning
Lesson 3: What is the Financial Function of the Business
Lesson 4: Where Are You At Right Now in Terms of Savings
Lesson 5: Where Are You At Right Now in Terms of Debt
Lesson 6: What Are Your Current Living Expenses
Lesson 7: What Is Your Current Monthly Income
Lesson 8: Is It Enough or Not
Lesson 9: How to Increase Savings
Lesson 10: Creating a Business Budget
Lesson 11: Planning for Profitability
Lesson 12: Now Make Your Decision Based on Numbers
Lesson 13: Managing Expectations by Setting Success Metrics
Lesson 14: For The Now, But Think Long Term
Lesson 15: Other Considerations
Lesson 16: Don’t Blow Yourself Up Financially
Lesson 17: Putting It All Together

Module 4: Market Analysis

Lesson 1: Introduction
Lesson 2: Checking Out the Competition
Lesson 3: Potential Market Streams
Lesson 4: Competition is Good
Lesson 5: Your Existing Network
Lesson 6: Real World Proven Strategies

Module 5: Enterprise Selection

Lesson 1: Introduction
Lesson 2: Defining Your Farm
Lesson 3: Choosing an Enterprise, The Analysis
Lesson 4: Pros and Cons of Pastured Poultry
Lesson 5: Pros and Cons of Pigs
Lesson 6: Pros and Cons of Grassfed Beef
Lesson 7: Enterprise Math, Pastured Poultry
Lesson 8: Enterprise Math, Pork
Lesson 9: Enterprise Math, Grassfed Beef
Lesson 10: Enterprise Math, Potential Farm Profits
Lesson 11: Selecting a Butcher

Module 6: Forming and Organizing Your Farm Business

Lesson 1: Introduction
Lesson 2: Why This Process is Important
Lesson 3: Hobby or Business
Lesson 4: My Five Rules for Business Formation
Lesson 5: Formalizing Your Business, The Process
Lesson 6: Know Your Local Laws
Lesson 7: Create an Operating Agreement
Lesson 8: Choosing a Business Structure
Lesson 9: Obtaining Your Federal Tax ID
Lesson 10: Maintaining Regulatory Compliance
Lesson 11: Setup Your Business Bank Account
Lesson 12: Accounting, Finding A CPA
Lesson 13: Accounting, First Year To Do's
Lesson 14: Software & Technology
Lesson 15: Insurance Basics
Lesson 16: Transactional Sales
Lesson 17: Putting It All Together
Lesson 18: Putting It All Together

Module 7: Branding

Lesson 1: Starting to Think About Your Farm Brand
Lesson 2: 3 Base Principles
Lesson 3: What Goes Into Branding
Lesson 4: Where Does Branding Go, Websites
Lesson 5: Website & Email Capture
Lesson 6: Where Does Branding Go, Logos & Print Material
Lesson 7: Where Does Branding Go, Social Media & In Person
Lesson 8: Where to Go From Here

Module 8: Marketing

Lesson 1: What is Marketing
Lesson 2: 3 Keys to Marketing
Lesson 3: What Are You Actually Selling
Lesson 4: Understanding Your Customer
Lesson 5: Selling Through Your Story

Module 9: You

Lesson 1: Introduction
Lesson 2: 8 Macro Lessons on Running A Business in Reality
Lesson 3: Failing is No Longer an Option
Lesson 4: 6 Problems You Will Probably Encounter & How to Deal with Them
Lesson 5: Building Multiple Forms of Capital
Lesson 6: The People In Your Life

Module 10: Transitionary Considerations

Lesson 1: Keys to Success
Lesson 2: Expectations

Expert Series

Video 1: Darby Simpson Farm Marketing
Video 2: Greg Judy, Profitable Methods Used to Heal the Land with Mob Grazing
Video 3: Greg Judy, The Economics for Leasing Land, How to Find It and Develop It for Maximum Income

Podcast Section

Podcast 1: VOC 228, Rob Javan Part 1
Podcast 2: VOC 229, Rob Javan Part 2
Podcast 3: VOC 230, Rob Javan Part 3
Podcast 4: VOC 231, Rob Javan Part 4
Podcast 5: VOC 232, Rob Javan Part 5

Guides and Resources

Broiler Cost Analysis spreadsheet
Choosing a Butcher guide
Choosing a Farmers' Market guide
Balance Sheet template for Mac
Balance Sheet template for Windows
Income Statement template for Mac
Income Statement template for Windows

There are 111 instructional videos totaling approximately 27 hours and 51 minutes.

There are also 5 podcast files totaling approximately 5 hours and 32 minutes.

Together, the course includes approximately 33 hours and 23 minutes of video and audio content, plus 7 guides and financial resources.




1 week ago
Get the feature length Low Tech Lab Movie - a documentary about the 2022 Permaculture Technology Jamboree at Wheaton Labs - exploring innovative homesteading and permaculture projects, PLUS a bundle of 12 sets of 3D plans to make your own project creations from the event, the 65 low tech things - movie tour, Alan Booker's Spring Terrace Webinar and Beau Davidson´s Mycoinsulation Webinar: Grow-Your-Own Insulation While Farming Valuable Mushroom Crops.

This is an incredible bumper deal featuring a shed load of information to help you become more self-sufficient and resilient in your own backyard!






You can find out more here about the details of each item:

Low Tech Laboratory Movie - 1 hour and 52 mins

Low Tech Laboratory 3D Plans Bundle

65 Low Tech things - tour movie - 2 hours and 4 mins

Spring Terrace Recorded Webinar

Mycoinsulation Recorded Webinar

1 week ago
Watch the movie that documents the 2022 Permaculture Technology Jamboree (PTJ), where the world's most innovative designers, builders, tinkerers, bodgers, fixers, goofballs, and water-witchers are brought together to explore and experiment with all kinds of things related to homesteading and permaculture.  The results are consistently amazing!

Now you can see the best of every project, including extensive interviews with the instructors in one feature length movie.  




- The movie is one hour and fifty two mins long

New and old natural building methods have been unlocked and refined, like mycelium insulation, and roundwood and earthen building techniques.  New time- and energy-saving inventions have been born – solar and passive solar designs to capture, store, and move heat, water, and even electricity. Wood heat technology has grown into maturity, finding new expressions and practical applications such as the Rocket Kiln, Forge, and Crucible, achieving heat-work that was previously regarded as "impossible."  

The best part? You can build this stuff at home, mostly for cheap or free!



Some of the things covered in this movie:
  • the hyper-efficient, wood-fueled, and clean-burning rocket kiln that changed the ceramics world
  • mycelium insulation - all-natural, biodegradable and non-toxic insulation panels that you can grow at home with free materials - and harvest culinary and medicinal mushrooms in the process
  • an all-wood Proenneke hinge (a giant wooden hinge made from a root-ball)
  • spinning wheel for wool made from bicycle parts
  • log picnic table
  • hugelkultur - a self-fertilizing, self-watering raised garden bed
  • simple solar pump
  • spring terrace - a land feature that can produce hundreds of gallons of water per day from dry land
  • many styles of food preservation
  • a shippable rocket heater core - pre-fabricating the hardest part of a rocket mass heater, so you can easily make your own luxurious, efficient home-heating device
  • log beehive
  • a beautiful shaving horse for traditional woodworking
  • using animals to seal a pond
  • sheep shearing and wool processing
  • robust apothecary - gathering, processing, and storing plants for natural remedies
  • rocket hot tub - a super-efficient, wood-fueled hot tub
  • rocket forge - a super-efficient, wood-fueled forge for metalwork
  • harvest and process clay for pottery and glaze
  • plant a living fence
  • a door for a weirdly-shaped door-frame, with a snappy magnetic closure mechanism


  • Buy the accompanying 3D plans here.

    Buy the movie and 3D plans together here (special deal)

    1 week ago





    Click here for all the permaculture design course video details



    a sampling of video from the ATC:




    HD instant view$39.50$39.50$49.50
    tiny (SD) download$200
    HD download$300


    Instructors

    This PDC brings together some of the best minds in the permaculture community. With a variety of backgrounds and areas of expertise, these instructors convey their knowledge during our Homesteaders Permaculture Design Course.

    Tim Barker



    Tim has come a long way since his days as a diesel fitter mechanic, and now spends his time between Australia and New Zealand (and sometimes the US) as a semi professional pyromaniac and mad scientist teaching people how to burn stuff and make really cool machines and devices for low carbon living. He currently teaches Appropriate Technology for the Koanga Institute in New Zealand and Very Edible Gardens (VEG) in Melbourne, to name a few.

    He has previously been farm manager for the Permaculture Research Institute of Australia, power station operator/mechanic, adventure guide and professional turtle wrestler. His rocket stove and char making powered hot water systems, ovens and cookers reflect his passion for elegant simple and durable combustion technologies. Other projects include gravity powered water pumps, solar thermal cookers and dryers, pedal powered washing machines, cargo bikes, hovercraft, wooden boats and aquaponics, to name a few. When he is not tinkering he can be found on Macleay Island off the coast of Queensland Australia, where he and his family live and are currently in the process of building a rammed earth house (with maybe a little sailing thrown in).

    He is particularly well known for his safe and effective rocket hot water heating system. He brings practical, hands on experience with some truly fascinating projects to the table - this from the Koanga institute:

    "He has the practical knowledge and skills to construct almost any project with limited resources."
    We're thrilled to have him instructing at our facilities!

    Paul Wheaton



    Paul Wheaton, the bad boy of Permaculture, was proclaimed by Geoff Lawton in 2012 the Duke of Permaculture. He is the creator of two on-line communities. One is about Permaculture, permies.com, and one is about software engineering, CodeRanch.com.

    He is a powerful advocate of Sepp Holzer’s techniques, which a recent study showed to have the ability to feed 21 billion people without the use of petroleum or irrigation. He also promotes the use of hugelkultur, which sequesters carbon and eliminates the need for irrigation, and polycultures, which reduces the need for pest control and improves the health of plants. He wrote several articles about lawn care, raising chickens, cast iron, and diatomaceous earth. Paul regularly uploads permaculture videos and permaculture podcasts.

    Thomas J. Elpel



    Thomas J. Elpel is an author, natural builder, educator, and conservationist. He has authored multiple books: Foraging the Mountain West, Botany in a Day, Shanleya's Quest and numerous others about plant identification, wilderness survival, and sustainable living. He has multiple videos: Building a Slipform Stone House from the Bottom Up, How to Make a Grass Rope, Build Your own Masonry Fireplace - Masonry Heater - Masonry Stove, and many more. Thomas regularly teaches classes on plant identification, primitive skills and natural building. He is founder/director of Green University, LLC in Pony, Montana.

    Helen Atthowe



    Helen has an MS in Horticulture and Agricultural Ecology from Rutgers University; worked at Rutgers in tree fruit IPM; studied natural farming with Masanobu Fukoka; interned at The Land Institute in Kansas; taught a Master Gardener course in Montana for 15 years while she was Missoula County extension agent; owned and operated Biodesign organic vegetable farm in Montana (1993-2010); consulted for a 2000 acre organic vegetable farm (2011); helped run her husband's Woodleaf Farm organic orchard in northern California 2012-2015; worked for Oregon State University Horticulture Department; and is now farming a 211 acre farm in eastern Oregon with her husband, where they have a mixed fruit and hazelnut orchard, small grain and dry bean production, vegetable gardens, high tunnels, and greenhouse.

    Erica Wisner



    Erica is a science and art educator, curriculum developer, writer, illustrator, researcher, and rocket mass heater innovator. She loves making things from scratch - anything from blueberry scones to the oven itself. Erica is a skilled educator and project coordinator, with over 20 years of experience building teamwork and leading hands-on learning. Her and Ernie have taught numerous workshops on natural building and rocket mass heaters. Erica has written multiple books on rocket mass heaters, fire making, and survival shelters. She is featured in many videos, documentaries, and podcasts on rocket mass heaters.

    Jacqueline Freeman



    Jacqueline is a biodynamic farmer, author, and natural beekeeper. She is known for her gentle and understanding ways with bees. She appears in the honeybee documentary, Queen of the Sun and was hired by the USDA to work with rural farmers and beekeepers in the Dominican Repermies, using historic methods of respectful beekeeping. She lives on a farm in Washington state with her husband, Joseph, where they have orchards, gardens, two big greenhouses, a small forest, rich pastures and plenty of flowering bee forage. Jacqueline also has lots of experience raising livestock: cows, goats, chickens for laying and broilers, turkeys, and horses. She has two websites: SpiritBee.com and friendlyhaven.com.

    Zachary Weiss



    Protégé of legendary Austrian farmer, Sepp Holzer, Zach is the first person to earn Holzer Practitioner Certification outside of the Krameterhof training program. Blending a unique combination of systems thinking, empathy, and awareness, Zach uses an action-oriented process to improve human relationships with earth. Enhancing ecosystems and harvesting natural productivity over time is the ultimate goal - with high initial input, high yield systems that will last until the next ice age.

    Zach currently has projects in 11 nations on 4 continents, spanning a wide range of climates, contexts, land-forms and ecosystems. Having experience with a wide range of techniques and systems (from natural building, to greenhouses, to carpentry, to watershed restoration), Zach also graduated summa cum laude with a degree in Ecology. He has two websites elementalecosystems.com and holzerpermaculture.us

    Davin Hoyt



    Davin is an architect, artist, and entrepreneur. He holds a Bachelor's degree in Architecture and has 16 years of drafting experience. Davin has established two community gardens in Georgetown, Texas and he is the first to map Wheaton Labs. Davin practices architecture as a one-man firm and will soon be a small restaurant chain partner. He is the future illustrator of Paul's book on "Wofatis".

    ~

    The attendees enjoyed a wide variety of lectures and projects, and got an up close and personal tour of Wheaton Labs.





















    The Appropriate Technology course:

    1. Solar - (passive, heating, cookers, ovens, dryers. Panels, charging, storage, lighting, mobile powered units).

    2. Heating Temperate shelters - rocket stoves ( dimensions, materials, uses (hotwater, oven, cooking, mass heating). wood stoves, solar, thermal mass, insulation, floors, composting. Thermal mass greenhouses

    3. Cooling Tropical shelters - shade, wind, ground cooling ducts, orientation, thermal mass, roofs

    4. Water - filtering, purity, potibility, design, pumps, swales, ponds, air wells, drilled wells, collection systems, storage, IBC's, Grey water (recycling, uses, low cost methods, legal, productive uses)

    5. Sustainability - energy audits, home, farm, food security - measurement

    6. BioChar - production and use

    7. Compost Toilets - Types, designs, Humanure, urine, safety, regulation, reality.























    The schedule for the Permaculture Design Course:

    Day 1: Introduction to permaculture
    Session 1: Tim Barker - welcome and introduction to course
    Session 2: Tim Barker - introduction to permaculture
    Session 3: Tim Barker - history & context of permaculture
    Session 4: Tim Barker - design framework; ethics

    Day 2: Design concepts and themes
    Session 1: Tim Barker - permaculture design process
    Session 2: Tim Barker - design process: ecosystems; holistic perspective
    Session 3: Tim Barker - design principles: connections, diversity
    Session 4: Tim Barker - design principes: nutrients, energy
    Evening Session: Ernie & Erica - Fire

    Day 3: Methods of design
    Session 1: Tim Barker - design principes: succession, resources
    Session 2: Tim Barker - design principes: small-scale, edges
    Session 3: Tim Barker - design principes: overview
    Session 4: Tim Barker - design principes: summary
    Evening Session: Byron Joel - introduction to keyline design

    Day 4: Managing holistically
    Session 1: Tim Barker - history & context of holistic management
    Session 2: Tim Barker - decision-making process
    Session 3: Tim Barker - triple bottom line
    Session 4: Tim Barker - forming holistic context
    Evening Session: holistic management videos

    Day 5: Climate and land form
    Session 1: Tim Barker - climate zones, brittleness scale
    Session 2: Tim Barker - land shape & brittleness; landscapes
    Session 3: Tim Barker - patterns; reading landscape; design teams formed
    Session 4: Davin Hoyt - architectural & landscape drawing
    Evening Session: Davin

    Day 6: Water and access
    Session 1: Zach Weiss - ecology; water retention landscapes
    Session 2: Zach Weiss - earthworks: model building
    Session 3: Tim Barker - zones & strategies
    Session 4: student designs
    Evening Session: Zach - elemental ecology

    Day 8: Trees & soils
    Session 1: Byron Joel - tree ecology; succession
    Session 2: Byron Joel - strategies & techniques; zones; summary
    Session 3: Helen Atthowe - soils: ecology, structure, chemistry, biology
    Session 4: student designs
    Evening Session: Helen Atthowe - creating a commercial forest garden

    Day 9: Soils & crops
    Session 1: Helen Atthowe - soil strategies & techniques zones 1-4
    Session 2: Helen Atthowe - crops; grass, herb & forb ecology
    Session 3: Helen Atthowe - strategies & techniques, zones 1-4
    Session 4: student designs
    Evening Session: Jacqueline Freeman - building relationships with farm animals

    Day 10: Animals
    Session 1: Jacqueline & Joseph - beekeeping
    Session 2: Jacqueline & Joseph - animal ecology, ethics, zones 1 & 2
    Session 3: Jacqueline & Joseph - animals: zones 1-4
    Session 4: student designs
    Evening Session: Paul Wheaton - animals in the landscape

    Day 11: Appropriate technology
    Session 1: Ernie & Erica - appropriate technology
    Session 2: Ernie & Erica - strategies & techniques for differen climates
    Session 3: Ernie & Erica - strategies & techniques for different climates
    Session 4: student designs
    Evening Session: Paul Wheaton - animals in the landscape

    Day 12: Bioregions & Communities
    Session 1: Tim & Byron - community vs self-sufficiency; bioregions & communities
    Session 2: Tim & Byron - eco villages; intentional communities
    Session 3: Paul Wheaton - making a living using permaculture
    Session 4: student designs
    Evening Session: Jocelyn Campbell - money & finance

    Day 13: Botany in a day
    Session 1: Thomas Elpel: simple plant botany
    Session 2: Thomas Elpel: plant walk; try out new identification skills
    Session 3: Thomas Elpel: homesteading experiences
    Session 4: student designs
    Evening Session: design time

    Day 14: Design time; presentations
    Sessions 1-3: Design time
    Session 4: presentations
    Evening Session: talent show




















    Related threads:

    All of the PDC & ATC - Live, tiny download, andHD instant view
    All of the PDC evening presentations - HD instant view
    All of the ATC - HD video
    All of the PDC - HD video
    All of the PDC & ATC - tiny download
    1 week ago



    HD instant view$39.50$39.50$49.50
    tiny (SD) download$200
    HD download$300
    PDC is 71hrs; ATC is 62; PDC & ATC is 133hrs















    Here's what you'll get to learn about:

    1. Solar - (passive, heating, cookers, ovens, dryers. Panels, charging, storage, lighting, mobile powered units)

    2. Heating Temperate shelters - rocket stoves ( dimensions, materials, uses (hotwater, oven, cooking, mass heating). wood stoves, solar, thermal mass, insulation, floors, composting. Thermal mass greenhouses

    3. Cooling Tropical shelters - shade, wind, ground cooling ducts, orientation, thermal mass, roofs

    4. Water - filtering, purity, potibility, design, pumps, swales, ponds, air wells, drilled wells, collection systems, storage, IBC's, Grey water (recycling, uses, low cost methods, legal, productive uses)

    5. Sustainability - energy audits, home, farm, food security - measurement

    6. BioChar - production and use

    7. Compost Toilets - Types, designs, Humanure, urine, safety, regulation, reality

























    Related threads:

    All of the PDC & ATC - Live, tiny download, andHD instant view
    All of the PDC evening presentations - HD instant view
    All of the PDC - HD video
    All of the PDC & ATC video - HD instant view
    All of the PDC & ATC - tiny download

    Other courses at Wheaton Labs:

    2017 Rocket Mass Heater Workshop Jamboree Starts October 6, 2017
    1 week ago