{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "subtitle": "Proceedings of Symposiums Sponsored by S-3, S-4, S-8, and S-9 of the American Socie (S S S a Special Publication)", "weight": "12 ounces", "publishers": ["Soil Science Society of America"], "type": {"key": "/type/edition"}, "number_of_pages": 220, "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "id": 11130176, "isbn_13": ["9780891188155"], "isbn_10": ["0891188150"], "publish_date": "December 1994", "key": "/b/OL8219348M", "authors": [{"key": "/a/OL2897318A"}], "title": "Soil Testing: Prospects for Improving Nutrient Recommendations ", "contributions": ["Jeffrey S. Jacobsen (Editor)"], "subjects": ["Soil fertility", "Soil Management", "Soil Science", "Technology & Industrial Arts", "Science/Mathematics", "Soils", "Agriculture - Agronomy", "Analysis", "Congresses", "Fertilizers"], "physical_dimensions": "9.2 x 6.2 x 0.5 inches", "revision": 1}