Clover is something good to plant and it put nitrogen back into the soil and it will continue to grow back for several years if well kept and the weeds do not over take it?Alfalfa,Chicory and a few others are also good plants that keep growing for several years.If You have Quail or Turkey on your property Milo is good for them,Sunflowers are very good to draw in Quail,Doves and other game birds too