LIBROS DEL AUTOR: john henry gehrs

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  • One Hundred Exercises In Agriculture
    John Ambrose James / John Henry Gehrs
    One Hundred Exercises In Agriculture: A Laboratory Manual And Notebook (1916) by John Henry Gehrs is a comprehensive guidebook for students and enthusiasts of agriculture. The book contains a hundred exercises that cover a wide range of topics in agriculture, including soil analysis, plant growth, crop rotation, animal husbandry, and farm management. The exercises are designed ...
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