Do you know what green manure is and why we seed it in our gardens? Green manure is any crop planted with the sole purpose of enriching the soil with nutrients and organic matter. Commonly used in organic agriculture, green manure serves many beneficial functions. In our gardens, we use clover, a plant from the legume family, as our green manure, and it has many benefits. First, as a reliable source of nitrogen-rich organic matter, the clover acts as fertilizer. Second, it covers the soil, serving as a simple weed-prevention method. Two years of green manure in the ground reduces weeds for the next few years. Third, as it flowers, the green manure...