出版日期
细化搜索
结果 1-10 的 14
Analysis of the increase in efficiency of agricultural production, 1919-20 to 1932-33
1934
Wells, Oris Vernon
National Agricultural Library - United States of America
Some fundamentals back of controlled agricultural production | Cooperative extension work in agriculture and home economics
1934
Wertz, Virgil R.
National Agricultural Library - United States of America
Farm record book on production and sales of basic commodities ... prepared by Extension in agricultural economics, Office of cooperative extension work, U.S. dept. of agriculture in cooperation with Agricultural adj.admin and state extension economists
1934
National Agricultural Library - United States of America
Beef cattle production in Minnesota
1934
Crickman, C. W. | Sallee, George A. | Peters, W. H. (Walter Harvest)
National Agricultural Library - United States of America
The place of field crop production in New Jersey
1934
Sprague, Howard Bennett
National Agricultural Library - United States of America
Raspberry and strawberry production trends in Minnesota
1934
Alderman, W. H. (William Horace) | Winter, J. D (James Douglass) | Cox, Rex W. (Rex Warfield)
National Agricultural Library - United States of America
Vegetable-crop production in Suffolk and Nassau counties
1934
Underwood, F. O. (Francis Omar)
National Agricultural Library - United States of America
The production of spring vegetables in the lower Rio Grande Valley
1934
Friend, W. H. (William Heartsill) | Clark, S. W. (Sherman Wood)
National Agricultural Library - United States of America
Cultural practices in winter wheat production
1934
Kiesselbach, T. A. (Theodore Alexander) | Anderson, Arthur | Lyness, W. E (Willard Earl)
National Agricultural Library - United States of America
Production of crops and livestock on the Newlands Project in 1933
1934
Headley, F. B. (Frank Burdette) | Venstrom, Cruz
National Agricultural Library - United States of America
