BOOKS BY ROBERT L. ZIMDAHL
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Weeds and Words: The Etymology of the Scientific Names of Weeds and Crops 1989
Weeds of Colorado: A Comprehensive Guide to Identification 1998
Weed-Crop Competition: A Review - Second edition 2004
When That Day Comes: A Memoir 2009
A History of Weed Science in the United States 2010
Agriculture’s Ethical Horizon - Second edition 2012
Weed Science: A Plea for Thought–Revisited 2012
Six Chemicals That Changed Agriculture 2015
Integrated Weed Management for Sustainable Agriculture (editor) 2018
A Journey Among the Weeds 2018
On Living: Observations on a Changing World 2020
Agricultural Ethics - An Invitation 2020
Key issues in agricultural ethics (editor and author of two chapters) July 2023
Fundamentals of Weed Science - Sixth edition - (co-authored with Nicholas T. Basinger) 2024
Reflections on the Role of Ethics in Agriculture - (A Plea for Thought update) 2024
Agriculture's Ethical Horizon - Third edition 2024
QUICK QUESTION
What Six Chemicals Changed Agriculture?
Six Chemicals That Changed Agriculture is a scientific look at how the chemicals used in today's food production were developed, evaluated, and came to be in wide-spread use. From fertilizers to pest management, antibiotics to DNA, chemicals have transformed the way our food is grown, protected, and processed.