Dustin Rhodes wrote:I second the vote for alfalfa (nitrogen fixing, deep roots to break up subsoil, then chop and drop for mulch) but it would probably shade out the other plants listed if scattered in too thick of ratio.
Another common soil preparation plant mentioned on this site is Daikon Radish - easy to grow, cheap seed, and the long thick roots will break up the soil; leave the root to die after the season and you've just put tons of organic matter in your soil.
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