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P. A. Yeomans
Inventor australiano
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Percival Alfred Yeomans fue un inventor australiano conocido por el diseño Keyline como sistema de desarrollo de una tierra con el fin de incrementar su fertilidad. Como ingeniero de minas y ensayador de oro, Yeomans desarrolló algo de... Wikipedia
Nacimiento: 1904, Harden, Australia
Fecha de la muerte: 1984
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¿Quién es Pa Yeoman?
Percival Alfred Yeomans (1905 - noviembre de 1984) fue un inventor australiano conocido por el diseño Keyline como sistema de desarrollo de una tierra con ...
Percival Alfred Yeomans (1905 - November 1984) was an Australian inventor known for the Keyline system for the development of land and increasing the ...
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(107) · $46.93
P. A. Yeomans devoted much of his latter life time to consulting, advising and lecturing on Keyline planning for which he has received requests from many parts ...
Duración: 19:59
Publicado: 28 oct 2019
Publicado: 28 oct 2019
Calificación
(107) · $46.93 · Disponible
Biography: PERCIVAL ALFRED YEOMANS or "P.A" as he became known to all, changed Australian agriculture and the thinking and methods of the agricultural community ...
P. A. Yeomans married Jane Radek in 1966 and they had two daughters,Julie and Wendy. Following this marriage he undertook the design and construction of a ...
Duración: 13:40
Publicado: 9 jun 2013
Publicado: 9 jun 2013
AUD 49.50 Disponible
Yeomans pioneered, among other things, the use of on farm irrigation dams in Australia, as well as chisel plows and subsoil aerating rippers. Yeomans perfected ...
The Keyline system has changed only slightly from my father, P.A, Yeomans' original books on Keyline. The main change started in the late 1960s with our work on ...
P.A. Yeomans. This book on the Keyline system is in both metric and imperial measurement. Superb Landcare for Sustainable Agriculture.