LIBROS DEL AUTOR: john kempf

2 resultados para LIBROS DEL AUTOR: john kempf

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  • Quality Agriculture
    John Kempf
    An increasing number of farmers and scientists believe the foundational ideas of mainstream agronomy are incomplete and unsound. Conventional crop production ignores biology in favor of chemical interventions, leading farmers to buy inputs they don’t need. Fertilizer recommendations keep going up, pest pressure becomes more intense, pesticide applications are needed more often,...
    Disponible

    19,77 €

  • Dunn Kempf
    Hilton Dunn / John Curry / Steven Kempf
    Inspired by ideas of Phil Barker (of WRG fame), these rules were a tactical training game for the US Army for approximately twenty years. Written by Captains Dunn and Kempf, the rules aimed to accurately model potential battles between American forces in Europe and the Warsaw Pact. In addition to being fun to play, the game aimed to be worthwhile military training including: A...
    Disponible

    19,47 €