Fiona got a copy of Organic Vegetable Growing: A Practical, Authoritative Guide to Producing Nutritious and Flavourful Vegetables from Your Garden or Allotment by Robert Milne. I think she may review it at some point.
Now, I am not a gardener but I found some sections eye opening. Especially the 30 page section on Maintaining Soil Fertility. His style may be a little preachy but the subject matter is very well researched. If I were into self sufficient gardening I would want this guide. Maybe your local library can get you a copy.
The blurb says "In 2003, frustrated by the lack of information about soil in gardening books, Robert took a degree in soil science at the University of Reading." I don't think I would go that far meself, like, but if you see it on sale grab it.
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