Chemical substances used for agricultural, horticultural, veterinary and sanitary purposes being urea; supephosphate and sulphate of ammonia mixtures; lawn manure; lawn manure with lindane; superphosphate, sulphate of ammonia and sulphate of potash mixtures; blood manure; sulphate of potash; tomato manure; citrus spray; products for rapid correction of iron deficiency whose main ingredient is iron; fertiliser tablets; zinc sulphate; complete garden fertiliser with trace elements; hydrangea blueing mixture and fertiliser; super phosphate; sulphate of ammonia; lawn manure with D.D.T.; fertiliser designed to kill clover and containing sulphate of ammonia and sulphate of iron; blood and bone manure; garden lime; nitrate of soda; liquid garden manure; a mixture of zinc sulphate and lime designed to overcome zinc deficiency; manganese sulphate and daphne manure