Nutrient additives contain a blend of elements that are mixed in with soil and soilless growing mediums. Some nutrient additives need to be mixed in with soils before potting to be able to break down and be properly utilized. Nutrient additives can increase yield and quality of your product. They can enhance flavour and smell and effectiveness of your product by providing your plants with appropriate chemical compounds.
Information about the different types of nutrient additives can be found here.
Terpenes play a big part in product taste which is affected by the nutrient additives you add. Find out more here.