Principles and practice of agricultural analysis., by Harvey 75389 Washington Wiley [Author: Harvey Washington Wiley] [Link: https://www.gutenberg.org/ebooks/75389] note: link will be active within two hours of posting. Thanks to Peter Becker and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Regards, Robert