I freelance for Noble Outfitters online articles. Check out a few of mine below and many others written by a variety of equestrian writers!
For Herd Management:
http://life.nobleoutfitters.com/pasture-herd-management/
Clipping 101:
http://life.nobleoutfitters.com/clipping-101/
Manure Management:
http://life.nobleoutfitters.com/manure-management/