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Category: Horticulture Media & Soil Amendments

April 16, 2021

Variations on the Pennsylvania Biochar Kiln

PLEASE NOTE: This post is a draft. I have not yet built this kiln but I have purchased the steel and will build it this May. So, I have not tested the below drawings. Use…

March 29, 2021

Protected: A Primer on Formulating Horticultural Container Media from Sustainable Substrates

There is no excerpt because this is a protected post.

January 25, 2021

A Guide to Assembling a Large Container for a Biologically-Intensive, High-Production, Sun-Grown Horticulture

Dr. Richard Freeman This guide provides step-by-stem instructions for setting up a 10-gallon grow bag using a zonal system (layers and spikes) for producing a high production plant such as Cannabis sativa (marijuana) or Solanum…

January 19, 2021

Protected: A Guide to Making Fertigation Solutions for a Biologically-Intense Container Horticulture

There is no excerpt because this is a protected post.

January 18, 2021

A Guide to Formulating a Biologically-Intensive Horticultural Container Media from Sustainable Substrates

Dr. Richard Freeman This guide provides instructions to formulate a high-production, biologically-intensive horticultural container media using sustainable resources. The intended audience includes urban horticultural operations seeking to maximize production of sun-grown crops in limited space…

January 11, 2021

Instructions for Building a Sub-Irrigated Raised Bed

Philip Small, Soil Scientist, CPSS These brief instructions provide a basic description of a sub-irrigated raised bed based on a design demonstrated to work on the author’s site which has prolific sucker sprouting from hard…

May 14, 2020

Biocharring using a kontiki biochar kiln, rick (stacked) style — a pictorial

Dr. Richard Freeman

April 28, 2020

Using a top-lit updraft “conservation burn” to transform old forest residue (pine slash) into biochar in the wildland-urban interface – Pictorial

Dr. Richard Freeman The biochar process demonstrated with these photos yielded about 6 cubic feet of good quality char. The wood came from an old forest slash pile near a residential site in the wildland-urban…

March 15, 2020

Blending High-Performance Horticulture Media with Renewable Substrates

Richard Freeman, Designed Ecosystems For high-performance horticulture, I prefer to replace the standard peat-lite (various combinations of peatmoss and perlite) with an aerated blend of aggregates and fibers made from renewable resources. This blend is…

March 14, 2020

The “Conservation” burn: An easy way to transform slash to biochar using the top-lit up-draft approach

Richard Freeman, Designed Ecosystems This charring technique is a relatively easy and quick way to char a large amount of forest residue wood, also known as “slash.” It combines roughly sorting the wood by diameter,…

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