Potash; sulphate of potash; potash minerals; potash water; fertilizers; fertilizing preparations; fertilizers including peat, slag and nitrogenous fertilizers; chemicals for use in the manufacture of fertilizers, except fungicides, weed killers, herbicides, insecticides and parasiticides; agricultural chemicals, namely soil nutrients; plant growth nutrients; plant food; soil-conditioning chemicals; manures including nitrogenous lime manure; nitrous oxide; mulch and fertilizer mixes where fertilizer is predominating; chemical additives for manures and compost; compost; chemicals used in industry and science, as well as in agriculture, horticulture and forestry; biological preparations for use in industry and science; processed minerals; raw mineral substances