Tag Archives: Scientific method

An 18th Century Recipe for Alchemical Fertilizer & A Modern Version

This morning I stumbled across an 18th Century manuscript containing a recipe for ‘alchemical fertilizer,’ which I have transcribed below.  The ‘chemical symbols‘ that are used have been changed into capital letters in order to accommodate the blog.   A list of their meanings … Continue reading

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Posted in Agriculture, Appropriate technology, Burundi, Medieval, Organic Gardenig | Tagged , , , , , , , , , , , | Leave a comment