While the benefits of fertilising plants are undisputed, gardeners may be unsure how to feed their plants for the best results. Just about any organic ingredient can be fed to plants as long as it contains essential elements like magnesium and potassium. Green-thumbed expert Sam Marlow, from Gardening Buildings Direct, named fish heads as one of the “unusual kitchen items” that “works wonders” in the garden. The expert said: “Burying fish heads beneath planting holes can provide a slow-release source of nutrients as they decompose, enriching the soil.” The most popular way to prepare the feed …
