Ways of Making Terra Preta: Biochar Activation

Porosity of a coal ash clearly visible to the naked eye. (Photo: Andreas Thomsen)

A great article with various recipes to activate biochar:

Ways of Making Terra Preta: Biochar Activation
by Hans-Peter Schmidt
Biochar is not a fertilizer, but rather a nutrient carrier and a habitat for microorganisms. First of all, biochar needs to be charged to become biologically active in order to efficiently utilize its soil-enhancing properties. There are numerous methods of activating and producing substrates similar to terra preta aside from mixing biochar with compost. …

Making Lactobacillus Serum – odor killer and organic fertilizer

From The Unconventional Farmer, Gil and Patrick in the Philipines:

Lactobacillus Serum

This is the workhorse of the beneficial bacteria we’ll be discussing here. We use it for everything! Foul odors, clogged drains, cheaper pig/chicken/etc farming, aquaculture, the applications are amazingly diverse. Learn how to make and use this and you will have a powerful tool in your farming arsenal. …

They provide detailed instructions on how to make the serum and here are some pictures recipes:

Lacto Preparation

I hope we get around to trying this soon!