Books about Fertilizers
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Manures and the principles of manuring
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Crops and Methods for Soil Improvement
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Peat and its Uses as Fertilizer and Fuel
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Principles and practice of agricultural analysis. Volume 1 (of 3), Soils
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Principles and practice of agricultural analysis. Volume 3 (of 3), Agricultural products
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Principles and practice of agricultural analysis. Volume 2 (of 3), Fertilizers
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Talks on Manures
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The Farm That Won't Wear Out