Chemicals, biological preparations used in agriculture, horticulture, forestry, water purification; soil conditioning preparations; water purifying agents; water treatment chemicals, agents and preparations; microbial inoculants, other than for medical use; biological preparations, other than for medical use; biological cultures for waste water treatment; chemical or biological preparations for use in breaking down substances or pests in water or soil or on plants including algae, ammonia, nitrate, fat, excess nutrients, fertilizers, organic matter, chemical preparations