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…
Dr. Richard Freeman This guide provides instructions for creating fertigation solutions that target any pH level and nutrient demand based on easy to replicate fermentation processes the requires little equipment. The intended audience includes urban…
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…
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…
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…
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…
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,…