Yazar
steven a breth
6 cilt bulundu.
Steven A. Breth, Robert D. Havener · Winrock Pubns Sales
265 sayfa · 1994
Agricultural conservation / Sustainable agriculture / Congresses / Rural development / Agricultural resources
Steven A. Breth, James A. Auerbach · Food and Agriculture Committee, National Policy Association, Foreign Agricultural Service, U.S. Dept. of Agriculture
164 sayfa · 1999
Free trade / Produce trade / Government policy / Food industry and trade / American Agricultural assistance
Robert L. Paarlberg, Steven A. Breth · Winrock International Institute for International Development
92 sayfa · 1994
Food supply / Congresses / Government policy / Food security / International cooperation
Steven A. Breth · International Maize and Wheat Improvement Center
41 sayfa · 1986
Corn / International Maize and Wheat Improvement Center / Research / Triticale / Wheat