{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "subtitle": "Modelling of Biological Transformations, Transport of Nitrogen and Nitrogen Use Efficiency (Developments in Plant and Soil Sciences)", "weight": "1.8 pounds", "publishers": ["Springer"], "type": {"key": "/type/edition"}, "number_of_pages": 250, "id": 10603397, "isbn_13": ["9780792311072"], "isbn_10": ["0792311078"], "publish_date": "December 31, 1899", "key": "/b/OL7806526M", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "title": "Nitrogen Turnover in the Soil-Crop System", "contributions": ["J.J. Groot (Editor)", "P De Willigen (Editor)", "E.J. Verberne (Editor)"], "subjects": ["Soil science, sedimentology", "Science/Mathematics", "Environmental Science", "Soils", "Soil Fertilization", "Science", "Technology & Industrial Arts", "Plants, Effect of nitrogen on", "Life Sciences - Botany", "Agriculture - General", "Science / Environmental Science", "Computer Simulation", "Congresses", "Crops and soils", "Effect of nitrogen on", "Nitrogen content", "Plants"], "physical_dimensions": "10.8 x 8 x 0.8 inches", "revision": 1}