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The Demonstration Farms
作者
Chas. H. Ruzicka / Edgar I. Olson / Leroy Moomaw / O. A. Thompson / Orin Alva Stevens / Perry Fox Trowbridge / Rex Elton Willard / Theodore E. Stoa / Wanda Weniger / Theodore Skulason Thorfinnson / Hutzel Metzger
出版1922
ISBN
UIUC:30112001705521
主題
Agricultural experiment stations
Farm Business Analysis
作者
Theodore Skulason Thorfinnson
出版1926
ISBN
UCAL:B2707269
主題
Agriculture
Systems of Farming in Irrigation Districts in the ...
作者
Theodore Skulason Thorfinnson
出版1951
ISBN
UCAL:B2689144
主題
Agricultural systems
Cost of Operating Tillage and Harvesting Machinery...
作者
Theodore Skulason Thorfinnson / Abram W. Epp
出版1963
ISBN
UIUC:30112019708657
主題
Agriculture
Cost of Distribution of Irrigation Water by Differ...
作者
Theodore Skulason Thorfinnson
出版1955
ISBN
UCAL:B2689158
主題
Irrigation
Some Applications of Farm Cost Accounts
作者
Theodore Skulason Thorfinnson
出版1924
ISBN
UCAL:B2707268
主題
Agriculture
Cost of Production and Farm Organization on 126 Fa...
作者
Rex Elton Willard / Theodore Skulason Thorfinnson / Hutzel Metzger
出版1922
ISBN
UIUC:30112019777728
主題
Agricultural productivity
Systems of Farming for the Tri-County Irrigation A...
作者
Theodore Skulason Thorfinnson
出版1949
ISBN
UCAL:B2689137
主題
Agricultural systems
Cost of Distributing Irrigation Water by the Sprin...
作者
Theodore Skulason Thorfinnson
出版1960
ISBN
UIUC:30112019708434
主題
Agriculture
Effect of Pump Irrigation on Farms in Central Nebr...
作者
Theodore Skulason Thorfinnson
出版1953
ISBN
UIUC:30112019708061
主題
Agriculture
The Demonstration Farms
作者
Chas. H. Ruzicka / Edgar I. Olson / Leroy Moomaw / O. A. Thompson / Orin Alva Stevens / Perry Fox Trowbridge / Rex Elton Willard / Theodore E. Stoa / Wanda Weniger / Theodore Skulason Thorfinnson / Hutzel Metzger
出版1922
ISBN
UIUC:30112001705521
主題
Agricultural experiment stations
Cost of Production and Farm Organization on 126 Fa...
作者
Rex Elton Willard / Hutzel Metzger / Theodore Skulason Thorfinnson
出版1922
ISBN
UCAL:B2707487
主題
Agricultural productivity