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Emerson
作者
C. R. Fenster / Dermot P. Coyne / Donald Frederick Burzlaff / Foster Gamble Owen / Glenn Albert Helmers / John Robert Steadman / Norman Royer Malm / Ralph Donald Johnson / Ralph Eugene Neild / Richard K. Rudel / Kenneth O. Rachie
出版1970
ISBN
UIUC:30112054427882
主題
Ammonia as fertilizer
Wheat and Feed Grains in the Great Plains and Nort...
作者
Glenn Albert Helmers / William F. Lagrone
出版1970
ISBN
UIUC:30112019711602
主題
Agriculture
Teaching Geology Using the History and Philosophy ...
作者
Glenn Dolphin
出版Springer Nature, 2024-10-02
ISBN
9783031686672 / 3031686675
主題
Science
Psychology
作者
Saundra E. Ciccarelli / Glenn E. Meyer
出版Prentice Hall, 2007-10
ISBN
0136030718 / 9780136030713
主題
Juvenile Nonfiction
Psychology (Paperback)
作者
Pearson / Glenn Meyer / Saundra Ciccarelli
出版Prentice Hall, 2005-10
ISBN
0132198622 / 9780132198622
主題
Psychology
Weather Risk and Size Economies of Large Machinery...
作者
Glenn Albert Helmers / R. Monji
出版1984
ISBN
UIUC:30112019710083
主題
Agriculture
Emerson
作者
C. R. Fenster / Dermot P. Coyne / Donald Frederick Burzlaff / Foster Gamble Owen / Glenn Albert Helmers / John Robert Steadman / Norman Royer Malm / Ralph Donald Johnson / Ralph Eugene Neild / Richard K. Rudel / Kenneth O. Rachie
出版1970
ISBN
UIUC:30112054427882
主題
Ammonia as fertilizer
Quantile DEA
作者
Joseph A. Atwood / Saleem Shaik / Glenn Albert Helmers
出版2014
ISBN
OCLC:904257585
主題
Agriculture
Polyperiod Analyses of Investment Strategy for Neb...
作者
Glenn Albert Helmers / Gary Wayne Lentz
出版1973
ISBN
UIUC:30112019711834
主題
Agriculture
Impacts of the Elimination of Organophosphates and...
作者
Richard Wiese / Saleem Shaik / Glenn Albert Helmers / Agricultural and Food Policy Center (Tex.)
出版1999
ISBN
OCLC:41666564
主題
Carbamates
Wheat Production Costs and Economies of Enterprise...
作者
Glen J. Vollmar
出版1968
ISBN
UIUC:30112019708939
主題
Agriculture
Livestock and Crop Planning Data, Western Nebraska
作者
Duane L. Marquis / William F. Lagrone / Glenn Albert Helmers / University of Nebraska--Lincoln. Agricultural Experiment Station
出版1972
ISBN
OCLC:13691006
主題
Agriculture
Wheat Production Costs for Southwestern, South Cen...
作者
Glenn Albert Helmers
出版1971
ISBN
UIUC:30112019709085
主題
Agriculture
Growth Potential of Sandhills Ranches Through Irri...
作者
Robert D. Carver / Glenn Albert Helmers
出版1975
ISBN
UIUC:30112019711933
主題
Agriculture
Leaf Freckles and Wilt of Corn Incited by Coryneba...
作者
Dale G. Anderson / David Thomas Lewis / John L. Wedberg / Kenneth P. Vogel / Max Lawrence Schuster / Nasser Abdulla Aulaqi / Robert D. Carver / William Ralph Kehr / Glenn Albert Helmers / Thomas Joseph Helms / John Bryan Campbell
出版1975
ISBN
UIUC:30112054434169
主題
Alfalfa
Economics of Alternative Crop Rotation Systems for...
作者
Glenn Albert Helmers
出版1984
ISBN
OCLC:20410164
Results of the Eleventh International Winter Wheat...
作者
Boris E. Bravo-Ureta / Kenneth P. Vogel / Larry Janssen / Phillip Jon Scholl / Glenn Albert Helmers / James Burton Hassler
出版1980
ISBN
UIUC:30112054434185
主題
Agriculture
Economic Evaluation of Adjustment Opportunities on...
作者
William F. Lagrone / Glenn Albert Helmers / Duane Lee Marquis
出版1976
ISBN
OCLC:1826224
主題
Wheat
Wheat and Feed Grains in the Great Plains and Nort...
作者
Glenn Albert Helmers / William F. Lagrone
出版1970
ISBN
UIUC:30112019711602
主題
Agriculture
Did 1933 New Deal Legislation Contribute to Farm R...
作者
Saleem Shaik / Joseph Atwood / Glenn Albert Helmers
出版2010
ISBN
OCLC:667222461
主題
Agricultural subsidies
Factors Affecting the Demand for Farm Labor
作者
Glenn Albert Helmers
出版1965
ISBN
OCLC:8941268
主題
Agricultural laborers
Price, Yield and Net Income Variability for Select...
作者
Boris E. Bravo-Ureta / Glenn Albert Helmers
出版1983
ISBN
OCLC:14287034
主題
Field crops
Machinery Cost and Income Taxes
作者
Myles James Watts / Glenn Albert Helmers / Montana State University (Bozeman, Mont.). Department of Agricultural Economics and Economics
出版1980
ISBN
OCLC:392810736
主題
Depreciation
U.S. Agriculture Under Fertilizer and Chemical Res...
作者
Glenn Albert Helmers
出版1990
ISBN
OCLC:21494211
主題
Agricultural chemicals
Wheat and Feed Grains in the Great Plains and Nort...
作者
William F. Lagrone / Roy Edward Hatch / Glenn Albert Helmers
出版1970
ISBN
OCLC:254828938
主題
Feeds
Growth and Survival of Nebraska Panhandle Wheat Fa...
作者
Larry Jonathan Held / Nebraska Agricultural Experiment Station / Glenn Albert Helmers
出版1980
ISBN
OCLC:632305738
主題
Farm management
Wheat and Feed Grains in the Great Plains and Nort...
作者
Glenn Albert Helmers / William F. Lagrone / Roy Edward Hatch
出版1970
ISBN
OCLC:7350276
主題
Feeds
The Effect of Farm Size on Costs of Reducing Risk ...
作者
Glenn A. Helmers / Hisham El-Osta
出版1990
ISBN
OCLC:70796317
主題
Agricultural machinery
Growth Potential of Sandhills Ranches Trough Irrig...
作者
Robert D. Carver / Glenn A. Helmers
出版1975
ISBN
OCLC:917003037
Polyperiod Analyses of Investment Strategy for Neb...
作者
Glenn A. Helmers / Gary W. Lentz
出版1973
ISBN
OCLC:24864461
主題
Farm management