1 Fertilizer and soil conditioners for agricultural, horticultural, and golf course use; potting mix composed primarily of potting soils, forest humus, and fertilizers, but also including aged wood chips and peat moss, all sold as a unit; potting and nursery greenhouse mixes composed primarily of potting soils, forest humus, and fertilizers, but also including aged wood chips and peat moss, all sold as a unit; compost mix; humus, composed primarily of humus, but also including aged wood chips and bark, all sold as a unit