in many parts of the U.S., NG members are digging in (pun intended) for the Winter. So those of us in warmer climes at home and abroad, miss you.
How about exchanging suggestions that go beyond the seasonal? References to soil, climate, environment, etc. -- all factors that affect our gardening as well as being scientifically valuable.
In the Spring 2013 Carnegie Newsletter, there are two interesting articles:
Ex 1: http://carnegiescience.edu/news/breakthrough_how_salt_stops_plant_growth
Ex:2: (scroll down to p. 12) "What Happens with Tree Die-Offs".