LIBROS DEL AUTOR: j benton jones jr

3 resultados para LIBROS DEL AUTOR: j benton jones jr

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  • Complete Guide for Growing Plants Hydroponically
    J. Benton Jones Jr. / Jr. J. Benton Jones
    With the continued application of new equipment and new concepts and methods, such as hydroponics and soilless practices, crop growth has improved and become more efficient. Focusing on the basic principles and practical growth requirements, this book provides detailed descriptions of the most commonly used hydroponic growing techniques. Additional topics include historical bac...
    Disponible

    118,15 €

  • Plant Nutrition and Soil Fertility Manual
    Jr. J. Benton Jones / Jr. Jones
    This updated Plant Nutrition Manual discusses the principles that determine how plants grow and the essential elements necessary for successful crop production. Within its four detailed chapters are numerous subject topics including physical and chemical properties of soil, chemical and organic fertilizers, soil acidity and alkalinity, liming and liming materials, and micronutr...
    Disponible

    181,20 €

  • Soil and Plant Analysis
    J. Benton Jones Jr.
    Soil and Plant Analysis Laboratory Registry for the United States and Canada, Second Edition provides up-to-date information about public and private laboratory services. Soil testing and plant analysis are important components of the Food Security Act and under consideration as safeguards for the new Clean Water Act including: detailed information about laboratories in the U.S...
    Disponible

    269,54 €