Translations:Manfred Klett: Von der Agrartechnologie zur Landbaukunst/718/en

Rudolf Steiner draws attention to the fact of the cosmic origin of the formative, crystal-forming forces in the indications cited above. He describes their working as a winter-happening, as one that brings the earth, down into its depths, into a crystallically purer state. It is natural to see a connection between this working of formative forces and the transformation of primary into secondary clay minerals — and above all their new formation out of formless states of the soil colloids. Pointing in the same direction is the indication of Willi Laatsch (1905–1997) that the crystal lattices of clay minerals in the soil at low temperatures

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