You may have already seen the impressive blog aggregator, Golf Course Management Blogging World. If you haven't, and are at all interested in golf course maintenance, you will want to check it out now and bookmark it for future reference.
A blog aggregator brings all the latest posts from multiple sources into one place, and the Golf Course Management Blogging World site does a great job of compiling superintendent blogs, industry magazines, and university researcher blogs all into one attractive site.
It is, actually, too much information to read all at once, but when you are wanting to find out what is going on in golf course maintenance and how it is being done, this site is a great resource. It is put together by Steven Biehl, who himself works as a golf course superintendent.