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: Manfred Klett - Tomorrow's Agriculture Organisation / Publication: <a href="https://www.amazon.com/Tomorrows-Agriculture-Are-Meeting-challenges/dp/B002NSQK9W">Tomorrow's Agriculture Are We Meeting the Challenge?</a>
