Quote:
Originally Posted by Richard
Nitrogen-fixing plants do not add nitrogen to the soil, but rather catalyze nitrogen that is already in the soil into a form that is more readily available to plants. In agriculture, the crops listed in the above link are generally grown in off-season and then plowed into the soil prior to planting.
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I much prefer using balanced compost judiciously. Annuals last a season with a healthy dose when planted; amending perennials annually works for me. Planting a cover crop wastes space in a small garden area, requires time (prepping, digging under, etc.) I'd rather not commit and has limited rewards IMO.