I'm assuming the citation you wanted was in reference to this? http://en.wikipedia.org/wiki/Gleaning http://en.wikipedia.org/wiki/Gleaning The old testament out

I'm assuming the citation you wanted was in reference to this? http://en.wikipedia.org/wiki/Gleaning http://en.wikipedia.org/wiki/Gleaning The old testament outlines at least one example of this practice in the book of Ruth. I've heard of similar practices in other religious systems but I don't have handy citations for them.