LIBROS DEL AUTOR: george colvin humphrey

4 resultados para LIBROS DEL AUTOR: george colvin humphrey

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  • Comparative Efficiency For Growth Of The Nitrogen Of Alfalfa Hay And Corn Grain, Volumes 32-42
    Edwin Bret Hart / Frank Barran Morrison / George Colvin Humphrey
    'Comparative Efficiency For Growth Of The Nitrogen Of Alfalfa Hay And Corn Grain, Volumes 32-42' explores the nutritional contributions of alfalfa hay and corn grain in promoting growth. This research delves into the efficiency with which nitrogen from these sources is utilized by plants, providing valuable insights for agricultural practices and crop management. This multi-vol...
    Disponible

    15,88 €

  • The Efficiency, Economy And Physiological Effect Of Machine Milking, Volumes 1-3
    Fritz Wilhelm Woll / Edwin George Hastings / George Colvin Humphrey
    Explore the groundbreaking research detailed in 'The Efficiency, Economy And Physiological Effect Of Machine Milking, Volumes 1-3.' This comprehensive study, authored by Fritz Wilhelm Woll, George Colvin Humphrey, Edwin George Hastings, Alexander Septimus Alexander, and Conrad Hoffman, delves into the revolutionary technology of machine milking and its impact on dairy farming. ...
    Disponible

    17,75 €

  • The Role Of The Ash Constituents Of Wheat Bran In The Metabolism Of Herbivora
    Edwin Bret Hart / Elmer Verner McCollum / George Colvin Humphrey
    'The Role Of The Ash Constituents Of Wheat Bran In The Metabolism Of Herbivora' explores the biochemical impact of wheat bran’s mineral content on herbivorous animals. This scientific study delves into the nutritional aspects of wheat bran, specifically examining how its ash constituents influence metabolic processes in livestock. Addressing a critical area within animal scienc...
    Disponible

    15,61 €

  • Stock Book
    Florence Forbes / George Colvin Humphrey
    Stock Book, originally published in 1918, provides a comprehensive overview of livestock management practices. Authored by George Colvin Humphrey and Florence Forbes, this timeless guide covers a range of essential topics for farmers and agricultural enthusiasts. From selecting and breeding animals to proper feeding and care, the book delves into the fundamental principles of s...
    Disponible

    28,87 €