Yazar
Josef Kienzle
5 cilt bulundu.
Josef Kienzle · African Conservation Tillage Network
109 sayfa · 2007
Agricultural conservation / Sustainable agriculture
John E. Ashburner, Josef Kienzle · Food and Agriculture Organization of the United Nations
76 sayfa · 2011
Farm mechanization / Congresses / Agriculture, africa
B. G. Sims, Josef Kienzle · Food & Agriculture Organization of the United Nations
Sayfa sayısı yok · 2010
Farm mechanization / Case studies / Farm equipment
Josef Kienzle, John E. Ashburner, Brian G. Sims · Food & Agriculture Organization of the United Nations
Sayfa sayısı yok · 2013
Farm mechanization / Agricultural machinery / Farm equipment
Brian G. Sims, Food and Agriculture Organization, Josef Kienzle · Stationery Office, The
Sayfa sayısı yok · 2006
Farm mechanization / Agricultural machinery / Farm equipment / Agriculture, africa