Soil amendments; organic soil amendments; soil amendments in the form of biochar; soil additives, namely, biochar that promotes water retention in soil; soil conditioners for agriculture, horticulture, forestry and domestic water retention use; soil supplements, namely, soil conditioning preparations; biochar, additives for biochar, and materials composed of biochar and additives, namely, biochar for use as a soil conditioner; filter media comprised of biochar, namely, biochar in the nature of filtering materials in water filtering; filters containing biochar, namely, biochar in the nature of filtering materials in water filtering; materials for water and waste recycling, namely, chemicals for the treatment of water and wastewater; filter media comprised of biochar, namely, biochar in the nature of filtering materials in filtering heavy metals from water; all of the foregoing include biochar as the main ingredient