This book is available for free all over the internet.
It's a phenomenal resource and many asked for the link after the class we taught at the Montrose Soil Conference on January 27th 2024.
Here are the notes from that class in case you didn't get the handout and also the free PDF book and the downloadable spreadsheet.
Excel Spreadsheet From The Class - Open Source! Unlock sheet using code 777 to add your own inputs.
