Albrecht on Calcium, Vol. V Ph.D Holly presents her 4-tier formula

Holly presents her 4-tier formula structure

80 per case

Discover with Callahan the secrets of nature as he hikes from the Orient to Europe and explores along the way in this fascinating travel diary

shiitake mushrooms

Albrecht on Calcium, Vol. V Ph.D Holly presents her 4-tier formulaThis valuable collection of essays reveals the insights of a brilliant soil scientist ahead of his time. In this The Albrecht Papers Volume #5, readers will find a carefully organized and convincing explanation of the relationship between calcium and soil fertility. It is not possible to discuss calcium, which Albrecht proclaims as the King of Nutrients without being led into the entire mosaic that Albrecht considers biologically correct farming.