Translation of alfalfa in Spanish

I would rather like that you write through the messaging system on this site and not to my private email address. All the info is gathered here online and I would like to keep is this way. It is nothing personal.
I will see if programmer can do it easily or not. Personally I don't need it. We use Facebook for marketing tool. Facebook uses a lot of short messages to communicated with users and fans. I forgot the exact name.
I do not like London, my home is in southern England, and there is a lot of work there too. A lot of people are moving to London just for work. I've been here for 10 years and I am studying chemistry.