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Inspecting and Cleaning Subsurface Drain Systems
作者
L. B. Grass / A. J. MacKenzie / L. S. Willardson / Lyman S. Willardson
出版1975
ISBN
MINN:31951002814234Q
主題
Agricultural engineering
Farmers' Bulletin
作者
L. B. Grass / Arnold J. MacKenzie / Lyman S. Willardson
出版1975
ISBN
UIUC:30112019293551
主題
Agriculture
Irrigation Management Affecting Quality and Quanti...
作者
Lyman S. Willardson / Ronald John Hanks
出版1976
ISBN
UOM:39015104978559
主題
Irrigation
Envelope Design for Subsurface Drains
作者
Willem F. Vlotman / Lyman S. Willardson / W. Dierickx
出版1958
ISBN
9070754533 / 9789070754532
主題
Drainage
Inspecting and Cleaning Subsurface Drain Systems
作者
L. B. Grass
出版1975
ISBN
OCLC:1727908
主題
Drainage
Management of Agricultural Drainage Water Quality
作者
Food and Agriculture Organization of the United Nations
出版International Commission, 1997
ISBN
9251040583 / 9789251040584
主題
Nature
Lajas Valley Drainage Problems
作者
Lyman S. Willardson / Puerto Rico Agricultural Experiment Station
出版1958
ISBN
OCLC:21142251
主題
Drainage
Impact of Water and Soils Having High Source-sink ...
作者
Lyman S. Willardson / Ronald John Hanks / J. J. Jurinak
出版1979
ISBN
UCR:31210024875997
主題
Irrigation
Water Flow Patterns in Heterogeneous Soils Under T...
作者
A. Nassehzadeh-Tabrizi / Roland W. Jeppson / Lyman S. Willardson
出版1977
ISBN
OCLC:6158266
主題
Microirrigation
Irrigation Management and Soil Salinity
作者
Lyman S. Willardson / Ronald John Hanks / R. J. Wagenet
出版1981
ISBN
UCR:31210004524391
主題
Irrigation
Unsaturated Transient Flow Through Heterogeneous S...
作者
Abdolhossien Nassenhzadeh-Tabrizi / Roland W. Jeppson / Lyman S. Willardson / Utah Water Research Laboratory
出版1978
ISBN
OCLC:4083927
主題
Dissertations, Academic
Water Entry Into Partially Full Subsurface Drains
作者
Lyman S. Willardson
出版1967
ISBN
OCLC:55094494
主題
Drainage
Research Report - Utah Agricultural Experiment Sta...
作者
Lyman S. Willardson
出版1972
ISBN
UIUC:30112085783287
主題
Agricultural experiment stations
Progress Report of the Study of the Feasibility of...
作者
Calvin G. Clyde / Lyman S. Willardson / John Finnie / Utah Water Research Laboratory
出版1984
ISBN
OCLC:23153533
主題
Saline irrigation
Irrigation Management Affecting Quality and Quanti...
作者
Lyman S. Willardson / Ronald John Hanks
出版1976
ISBN
OCLC:880032772
主題
Irrigation
Infiltration Under Surge Flow Irrigation
作者
Aghaebrahimi Zohrab Samani / Lyman S. Willardson
出版1989
ISBN
OCLC:805621700
Consumptive Use and Water Requirements for Utah
作者
Wayne D. Criddle / Karl Harris / Lyman S. Willardson
出版1962
ISBN
OCLC:10143903
主題
Irrigation
Irrigation Management Affecting Quality and Quanti...
作者
Lyman S. Willardson / Ronald John Hanks
出版1976
ISBN
UOM:39015104978559
主題
Irrigation
Farmers' Bulletin
作者
L. B. Grass / Arnold J. MacKenzie / Lyman S. Willardson
出版1976
ISBN
MINN:20000003173891
主題
Agriculture
Irrigation Water Quality Evaluation
作者
Jerald Emmet Christiansen / Edwin C. Olsen / Lyman S. Willardson
出版1975
ISBN
UCR:31210024933317
主題
Irrigation water
Impact of Water and Soils Having High Source-sink ...
作者
Lyman S. Willardson / Ronald John Hanks / J. J. Jurinak
出版1979
ISBN
UCR:31210024875997
主題
Irrigation
Research Report - Utah Agricultural Experiment Sta...
作者
Lyman S. Willardson
出版1972
ISBN
UIUC:30112085783287
主題
Agricultural experiment stations
Irrigation Management and Soil Salinity
作者
Lyman S. Willardson / Ronald John Hanks / R. J. Wagenet
出版1981
ISBN
UCR:31210004524391
主題
Irrigation
Inspecting and Cleaning Subsurface Drain Systems
作者
L. B. Grass / A. J. MacKenzie / L. S. Willardson / Lyman S. Willardson
出版1975
ISBN
MINN:31951002814234Q
主題
Agricultural engineering
The Hartwells of America
作者
Lyman Willard Densmore / John F. Hartwell
出版1956
ISBN
WISC:89066163023