*The heat continues and drought returns to Texas.   *There is a new guide to help landowners understand carbon contracts.  *Texas farm groups endorse a bill that supports checkoff programs.  *There are some very full playa lakes in the Texas High Plains right now.  *This has been a very good year for agriculture here in Texas, especially when compared the last year.  *The heat is on in Deep South Texas, with water in high demand. *Blister beetles are common in some alfalfa fields.  *An owl found in parts of South Texas has been listed as threatened.