Rainwater harvesting with Sustainable technology

Slow Sand Filters are cheap, effective mechanical means of filtering water without using chemicals. This website tells you more about them.

They have been experimenting with and recording the results of various slow sand filters for several years.

Dynamic Accumulators of Nutrients for Composting - Oregon Biodynamic Group

This is an online table of Dynamic Accumulators of Nutrients for Composting published by the 

Oregon Biodynamic Group

. The chart provides the Common Name, Botanical Name and the elements Na, I, Fl, B, Si, S, N, Mg, Ca, K, P, Mn, Fe, Cu, and CO. You may download a printable version.


If you go to the Appendices page, you'l find links to pages on

The Permaculture Research Institute (PRI) Resources

Resource Page for Permaculture Research Institute (PRI)

All files are PDFs.


Recommended Edible Variety Lists by Sunset Climate Zone Maps

This is an online tool published by L.E.Cook. You can enter either your Sunset Climate Zone Map or your Zip Code. Includes parts of Canada.


If you choose to right click on your Sunset Zone, you'll get a PDF.

Cover Crops Solutions Chart


Cover Crops Solutions Chart


Use these charts as a general guide to help you choose the best cover crop for your growing situation.

Remember that this type of chart has inherent limitations. For example, although crimson clover is marked “Tolerates mowing,” you should not mow it in mid-late spring because it needs to grow during that time in order to re-seed itself.

Published by Peaceful Valley Farm Supply, Inc.

Rainwater Harvesting Calculators

Texas A&M AgriLife Extension publishes two calculators to aid in designing rainwater collection systems:


SunCalc is a little app that shows sun movement and sunlight phases during the given day at the given location.

You can see sun positions at sunrise, specified time and sunset. The thin orange curve is the current sun trajectory, and the yellow area around is the variation of sun trajectories during the year. The closer a point is to the center, the higher is the sun above the horizon. The colors on the time slider above show sunlight coverage during the day.


Free Plant Guilds eBooklet


Midwest Permaculture (Stelle, Illinois) publishes an eBooklet (i.e. a PDF file) about nine plant guilds:

  1. Ash
  2. Bee
  3. Evergreen
  4. Fruit Tree
  5. Oak
  6. Service Tree
  7. Tree Hazel
  8. Walnut
  9. Wet Meadow

There are three appendices:

North Olympic Peninsula Beekeepers' Association (NOPBA)

North Olympic Peninsula Beekeepers' Association official website.

Find links to newletter archives, events, photos, and more. This association has been around since the early 1990's, so there is a huge amount of collective experience and wisdom.

Soil Foodweb

World reknown soil food web expert Dr. Elaine Ingham's webpage. There are recipies for making compost tea and compost, lists of Soil Foodweb Laboratories for microbiological testing, videos, calandars, and other great resources.


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