Chemical additives for fertilisers; fertilisers; fertilisers consisting of compounds of nitrogen; liquid fertilisers; nitrogenous fertilisers; phosphates (fertilisers); salts (fertilisers); seaweeds (fertilisers); slag (fertilisers); bacterial preparations for use in horticulture; bacteriological preparations for use in horticulture; calcium peroxide for use in horticulture; chemical adjuvants for use in horticulture; chemical products for use in horticulture (other than fungicides, weedkillers, herbicides, insecticides, parasiticides); chemicals for use in horticulture (other than fungicides, weedkillers, herbicides, insecticides, parasiticides); horticulture chemicals, except fungicides, herbicides, insecticides and parasiticides; horticulture growing media; perlite for use in horticulture; rock fibres for use in horticulture; trace elements for use in horticulture; enzyme preparations for the decomposition of waste matter; enzyme preparations for the deodorising of waste matter; enzyme preparations for the processing of waste matter; enzymes (other than for medical or veterinary use)