This Act sets out provisions concerning the marketing and use of fertilizers and regulates: (a) conditions for the placing on the market, storage and use of fertilizers, soil improvers, plant auxiliaries and substrates; (b) conditions for agrochemical testing of agricultural land; (c) the conditions for determining the soil properties of forest land and certain conditions for the use of treated sludge; (d) conditions for the placing on the market, storage and use of sediments; (e) the powers of the supervisory authorities to comply with the obligations laid down by this Act, including the power to impose administrative penalties.