{"subject_place": ["Netherlands", "Ijssel Lake Polders."], "lc_classifications": ["DJ401.Z8 V3 nr. 51", "S599.4.N4 V3 nr. 51"], "id": 7291759, "title": "Over de invloed van de ontwatering op de stikstoflevering en op de opbrengst van jonge zavelgronden in de IJsselmeerpolders", "languages": [{"key": "/l/dut"}], "subjects": ["Soils -- Netherlands -- Ijssel Lake Polders.", "Loam soils.", "Soils -- Nitrogen content -- Netherlands -- Ijssel Lake Polders.", "Crops and soils -- Netherlands -- Ijssel Lake Polders."], "publish_country": "ne ", "series": ["Van zee tot land ;", "51"], "by_statement": "door W. H. Sieben.", "type": {"key": "/type/edition"}, "revision": 1, "publishers": ["Staatsdrukkerij"], "last_modified": {"type": "/type/datetime", "value": "2008-04-01 03:28:50.625462"}, "key": "/b/OL5267394M", "authors": [{"key": "/a/OL2024271A"}], "publish_places": ["'s-Gravenhage"], "pagination": "180 p. :", "lccn": ["75404583"], "notes": {"type": "/type/text", "value": "Bibliography: p. 179-180.\nSummary and captions in English."}, "number_of_pages": 180, "isbn_10": ["9012003903"], "publish_date": "1974"}