Here you will find a link to my master’s thesis focusing on the effects of holistic planned grazing on soil chemistry, as compared to ungrazed plots.
http://digitalcommons.calpoly.edu/theses/603/
An undergraduate student followed up on my work (I was not involved in any way, but it is an interesting follow-up!):
If you have any questions, please feel free to contact me at kmwolf[AT]ucdavis.edu (replace [AT] with the @ symbol). Thanks!