X Preparations Introduction Pioneers Materia Medica Repertory Literature Forum Planting by the Stars Introduction Research Planting times Times that assist Times that hinder Public experiments Experimental Procedure Worked Examples Submit/View data Pseudoscience? Peppers Introduction Principles Submit Data Considera Introduction Past Future UK BD History Association Education Land Trust Contact
Source Screenname / Author: E Pfeiffer Organisation / Publication: Soil Fertility, Renewal & Preservation
