Whether a fertilizer is organic or synthetic, the label on the bag or carton spells out clearly just how rich it is. Although plants require at least 15 elements for health, 3 are needed in especially large amounts, and they are nitrogen, phosphorous, and potassium.
Whether a fertilizer is organic or synthetic, the label on the bag or carton spells out clearly just how rich it is. Although plants require at least 15 elements for health, 3 are needed in especially large amounts, and they are nitrogen, phosphorous, and potassium. Lee Reich Associated Press file
Whether a fertilizer is organic or synthetic, the label on the bag or carton spells out clearly just how rich it is. Although plants require at least 15 elements for health, 3 are needed in especially large amounts, and they are nitrogen, phosphorous, and potassium. Lee Reich Associated Press file