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Universitat de Lleida
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Universitat de Lleida
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631 (41)
633 - Field crops and their production (15)
632 - Plant damage, injuries. Plant diseases. Pests, organisms injurious to plants. Plant protection (3)
626/627 - Hydraulic engineering and construction. Water (aquatic) structures (2)
504 - Threats to the environment (1)
547 - Organic chemistry (1)
549 - Mineralogy. Special study of minerals (1)
631/635 - Farm management. Agronomy. Horticulture (1)
67 - Various industries, trades and crafts (1)
94 - General history (1)