1 Culture media, fertilizers and chemical products intended for agriculture, horticulture and forestry; manures for soils; amino acids with an industrial purpose; seaweed extracts for use as fertilizers; soil conditioning products made with algae; fertilizers for agriculture consisting of seaweed; growth stimulants, other than for medical or veterinary use; extracts of marine plants for use as plant growth stimulants; chemical soil conditioners; soil conditioning preparations for regulating the growth of agricultural products; soil-conditioning preparations for improving the cultivation of agricultural products; soil improvers; additives for soil (fertilization); preparations for improving soil; substances for soil improvement; soil conditioning substances (other than sterilizers); substances for improving soil; substances for stabilizing soil; manures with microorganisms; chemical additives for insecticides.