LIBROS DEL AUTOR: roy t harris

3 resultados para LIBROS DEL AUTOR: roy t harris

roy t harris Eliminar filtro Quitar filtros
  • Tests Of Dairy Cows, 1907-1908
    Fritz Wilhelm Woll / Roy T. Harris
    'Tests Of Dairy Cows, 1907-1908' provides a detailed look into the methods and results of early 20th-century dairy cow testing. This historical record, compiled by Fritz Wilhelm Woll and Roy T. Harris, offers valuable insights into the practices used to assess and improve milk production in dairy herds. The book serves as a primary source for understanding the evolution of agri...
    Disponible

    15,85 €

  • Tests Of Dairy Cows, 1906-1907
    Fritz Wilhelm Woll / Roy T. Harris
    'Tests Of Dairy Cows, 1906-1907' offers a detailed look at the methodologies and results of dairy cow testing conducted in the early 20th century. This book provides valuable insights into the practices used to assess milk production and the overall health and productivity of dairy herds. Authored by Fritz Wilhelm Woll and Roy T. Harris, the book presents data and analysis rele...
    Disponible

    15,94 €

  • Official Tests Of Dairy Cows, 1905-6
    Fritz Wilhelm Woll / Roy T. Harris
    'Official Tests Of Dairy Cows, 1905-6' presents a detailed examination of dairy cow testing procedures conducted in the early 20th century. Authored by Fritz Wilhelm Woll and Roy T. Harris, this historical record provides insights into the methods used to assess milk production and the overall health and productivity of dairy cattle. The book offers valuable information for tho...
    Disponible

    17,35 €