Chemical products used in agriculture, horticulture and forestry; artificial and natural fertilisers; composts; compost substrates; humus and earth for growing; horticultural earths and soil improvers of wood fibre and other natural starting materials; peat extracts, including white peat extracts, for plant cultivation and for horticultural purposes, turf dust, peat as fertiliser, peat products of peat, preparations for keeping flowers fresh; wood fibres (being additives to potting soil)