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A Road to Opportunity
作者
Don Warren Pittman
出版1934
ISBN
UCAL:$B237174
主題
Government ownership
A Study of Methods of Determining Soil Alkali
作者
Don Warren Pittman
出版1919
ISBN
UIUC:30112019884292
主題
Alkali lands
Effect of Manure and of Phosphorus Fertilizer on t...
作者
Don Warren Pittman
出版1934
ISBN
UIUC:30112019885125
主題
Alfalfa
Irrigation Experiments with Potatoes
作者
Franklin Stewart Harris / Don Warren Pittman
出版1923
ISBN
UIUC:30112019884474
主題
Potatoes
Relative Resistance of Various Crops to Alkali
作者
Franklin Stewart Harris / Don Warren Pittman
出版1919
ISBN
UIUC:30112019884268
主題
Alkali lands
Irrigation Experiments with Sugar Beets
作者
Franklin Stewart Harris / Don Warren Pittman
出版1923
ISBN
UIUC:30112019884466
主題
Irrigation efficiency
Soil
作者
Don Warren Pittman
出版1938
ISBN
WISC:89037171402
主題
Soils
Maintaining the Productivity of Irrigated Land
作者
Don Warren Pittman
出版1924
ISBN
UIUC:30112019884482
主題
Fertilizers
The Irrigation of Barley
作者
Franklin Stewart Harris / Don Warren Pittman
出版1922
ISBN
UIUC:30112019884375
主題
Barley
Fertility Maintenance by Rotation and Manure
作者
Don Warren Pittman
出版1936
ISBN
UIUC:30112019885398
主題
Fertilizers
A Glance at the Problem of Alkali Soils
作者
Don Warren Pittman
出版1936
ISBN
OCLC:9581410
主題
Alkali lands
Irrigation and Manuring Studies II
作者
Franklin Stewart Harris / Don Warren Pittman
出版1917
ISBN
UIUC:30112019884110
主題
Corn
Ridding the Land of Wild Morning Glory
作者
George Stewart / Don Warren Pittman
出版1924
ISBN
UIUC:30112019884490
主題
Weeds
Rotations and Cropping Systems
作者
Don Warren Pittman
出版1934
ISBN
UIUC:30112019888582
主題
Crop rotation
How Serious are the Defects of Mechanical Blocking...
作者
Don Warren Pittman
出版1951
ISBN
UIUC:30112019888848
主題
Sugar beet
Fertilizers for Utah Soils
作者
Don Warren Pittman / David Wynne Thorne
出版1941
ISBN
UIUC:30112019888715
主題
Fertilizers
Twenty-eight Years of Irrigation Experiments Near ...
作者
Don Warren Pittman / George Stewart
出版1930
ISBN
UIUC:30112019884813
主題
Crop yields
Irrigation Experiments with Sugar Beets
作者
Arthur Fife / Franklin Stewart Harris / George Stewart / Joseph Eames Greaves / Orson Winso Israelsen / Tracy H. Abell
出版1922
ISBN
UIUC:30112019883245
主題
Agriculture
Twenty Years of Rotation and Manuring Experiments ...
作者
George Stewart / Don Warren Pittman
出版1931
ISBN
UIUC:30112019884912
主題
Crop rotation
Irrigation and Manuring Studies II
作者
Elmer Darwin Ball / Franklin Lorenzo Richards West / Franklin Stewart Harris / Robert Stewart / William Ernest Carroll / Byron Alder / Don Warren Pittman / Niels Edlef Edlefsen / A. D. Egbert
出版1916
ISBN
UIUC:30112019883229
主題
Agriculture
Observations on the Uses of Commercial Fertilizers...
作者
Don Warren Pittman / Clarence Burnham
出版1932
ISBN
UIUC:30112019884979
主題
Fertilizers
The Irrigation of Alfalfa
作者
Franklin Stewart Harris / Don Warren Pittman
出版1921
ISBN
UIUC:30112019884409
主題
Alfalfa
The Irrigation of Oats
作者
Franklin Stewart Harris / Don Warren Pittman
出版1919
ISBN
UIUC:30112019884250
主題
Irrigation farming
Selecting and Using Fertilizers in Utah
作者
David Wynne Thorne / Don Warren Pittman / Elias Milton Anderson
出版1950
ISBN
UIUC:30112019888822
主題
Fertilizers
New Publications, 1951-52
作者
Cyril Walker Lauritzen / Don Warren Pittman / Earnest Merrill Morrison / George D. Clyde / Howard Boyd Peterson / Wells M. Allred / Carroll I. Draper / James Perry Thorne / W. W. Rasmussen / Orson Winso Israelsen / Rex Francis Nielson
出版1952
ISBN
UIUC:30112019888483
主題
Agriculture
Annual Summary of Publications
作者
Blanche Condit Pittman / Charles James Sorenson / David Edward Madsen / Flood Commission (Utah) / George D. Clyde / George Stewart / John Wilford Carlson / Reuben Lorenzo Hill / William Williams Henderson / Don Warren Pittman
出版1931
ISBN
UIUC:30112019888525
主題
Abortion in animals
Seeding Arid Ranges to Grass with Special Referenc...
作者
Bassett Maguire / Arthur Herman Holmgren / David Edward Madsen / Delmar Clive Tingey / Don Warren Pittman / Ernest O. Buhler / Laurence Alexander Stoddart / Ralph Wesley Phillips / DANIEL IRVIN RASMUSSEN / David Wynne Thorne / Harry H. Smith / Milton Andrew Madsen
出版1940
ISBN
UIUC:30112019888475
主題
Agricultural pests
A Study of the Amount of Plant Food in Crops at th...
作者
Leon Ensworth Aldrich / Don Warren Pittman
出版1914
ISBN
OCLC:936212356
主題
Crops
Better Sugar-beet Culture for Utah
作者
George Stewart / Don Warren Pittman
出版1931
ISBN
UIUC:30112019889994
主題
Beet sugar
Seeding Arid Ranges to Grass with Special Referenc...
作者
Bassett Maguire / David Edward Madsen / Delmar Clive Tingey / Don Warren Pittman / Ernest O. Buhler / Laurence Alexander Stoddart / Ralph Wesley Phillips / DANIEL IRVIN RASMUSSEN / David Wynne Thorne / Harry H. Smith / Milton Andrew Madsen
出版1943
ISBN
UIUC:30112050245577
主題
Arid regions agriculture