LIBROS DEL AUTOR: john putnam helyar

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  • Results Of Seed Inspection, 1917, Volumes 314-335
    John Putnam Helyar
    'Results Of Seed Inspection, 1917, Volumes 314-335' offers a detailed look into the agricultural practices of the early 20th century. Authored by John Putnam Helyar, this work provides a comprehensive overview of seed inspection processes during that pivotal year. This book presents invaluable insights for those studying the history of agriculture, botany, and agronomy. Reader...
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