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Subjects
Congresses, Soils, Agricultural conservation, Agriculture, Analysis, Chemistry, Classification, Composition, Conservation of natural resources, Ecology, Ecology/environment, Effect of nitrogen on, Environmental protection, Humic acid, Humus, Identification, Lepidoptera, Lignite, Nitrogen fertilizers, Nutrition, Peat, Plants, Potatoes, Renewable natural resources, Sewage as fertilizerPlaces
Russia (Federation), Buri͡atii͡a, Buri︠a︡tii︠a︡, Central Asia, Transbaikalia, Transbaikalia (Russia)ID Numbers
- OLID: OL1469597A
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September 5, 2008 | Edited by RenameBot | fix author name |
April 1, 2008 | Created by an anonymous user | initial import |