Books

1. Agriculture (Visual Science Series)
   

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2. The Tractor Ploughing Manual
   

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3. Long-Term Experiments With Acid Rain in Norwegian Forest Ecosystems (Ecological Studies)
   

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4. The agricultural development of Nicaragua: An analysis of the production sector (International series ; 1)
   

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5. Inorganic pollution and agriculture: Proceedings of a conference (Reference book - Ministry of Agriculture, Fisheries, and Food)
   

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Books