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Soils
11 books
The Formation of Vegetable Mould Through the Action of Worms Wi…
Charles Darwin
The Farm That Won't Wear Out
Cyril G. (Cyril George) Hopkins
The Story of the Soil
Cyril G. (Cyril George) Hopkins
Lessons on Soil
Edward J. (Edward John) Russell
Crops and Methods for Soil Improvement
Alva Agee
Right Use of Lime in Soil Improvement
Alva Agee
Principles and practice of agricultural analysis. Volume 2 (of…
Harvey Washington Wiley
Principles and practice of agricultural analysis. Volume 1 (of…
Harvey Washington Wiley
Soils, their formation, properties, composition, and relations…
Eugene W. (Eugene Woldemar) Hilgard
Principles and practice of agricultural analysis. Volume 3 (of…
Harvey Washington Wiley
The soil solution
Frank K. (Frank Kenneth) Cameron