tools of light

  • Agriculture Course: The Birth of the Biodynamic Method

    Agriculture Course: The Birth of the Biodynamic Method

    by Rudolf Steiner and E. Pfeiffer PDF Steiner’s original contribution to human knowledge was based on his ability to conduct ‘spiritual research’, the investigation of metaphysical dimensions of existence. With his scientific and philosophical training, he brought a new systematic discipline to the field, allowing for conscious methods and comprehensive results. A natural seer from childhood, he…

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  • Nexus Interview Phil Callahan

      Professor Philip Callahan, PhD, the author of 17 books and over 150 published papers, is widely regarded as a leading light in sustainable agriculture. His breakthrough work with insects and infrared radiation is a milestone in the understanding of the link between nutrition and pest pressure. Dr Callahan’s more recent research and discoveries in…

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  • Bread from Stones – a new and rational system of land fertilizing and physical regeneration

      This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world’s literature in…

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