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Readings In Farming Systems Research And Developme...
作者
W. R. Schmehl / W R Schmehl / Perry F Philipp / W. W. Shaner
出版Routledge, 2019-06-26
ISBN
9781000309058 / 1000309053
主題
Social Science
Agronomy 350
作者
W. R. Schmehl / Charles W. Robinson / Colorado State University. Department of Agronomy
出版1978
ISBN
OCLC:5517174
主題
Soil fertility
Materials and Method of Application of Phosphate f...
作者
W. R. Schmehl
出版1932
ISBN
OSU:32435026988170
主題
Agriculture
Farming Systems Research And Development
作者
W. W. Shaner / P. F. Philipp / W. R. Schmehl
出版Westview Press, 1982-06-10
ISBN
UCSC:32106005307811
主題
Business & Economics
Pasture Vs Small Grains on Dryland Farms in the We...
作者
C. Kerry Gee / Dale F. Heermann / Ewell Alva Rogers / Ken Rodger Storer / Morris D. Finkner / Edward Allan Hiler
出版1971
ISBN
UIUC:30112019449633
主題
Agriculture
Utilization of Phosphorus by Various Crops As Affe...
作者
Colorado Agricultural Experiment Station
出版1950
ISBN
OCLC:23711864
主題
Phosphatic fertilizers
Physical, Salinity, and Fertility Analyses of Sele...
作者
W. T. Franklin / W. R. Schmehl
出版1973
ISBN
OCLC:66862974
Materials and Method of Application of Phosphate f...
作者
W. R. Schmehl / Stanton D. Romsdal
出版1963
ISBN
OCLC:631951237
主題
Alfalfa
Fertilizer Use and Trends for Principal Crops in C...
作者
Clarence Floyd Davan / W. R. Schmehl / W. G. Stewart / Colorado State University. Extension Service / United States. Department of Agriculture. Economic Research Service. Farm Economics Division
出版1962
ISBN
OCLC:243610837
主題
Fertilizers
Availability of Phosphate Fertilizer Materials in ...
出版1955
ISBN
OCLC:23723468
主題
Calcareous soils
Effect of Nitrogen Fertilizer and Trace Elements o...
作者
W. R. Schmehl / Jerre F. Swink / Colorado Agricultural Experiment Station / Arkansas Valley Branch Station
出版1962
ISBN
OCLC:393400508
主題
Crops and nitrogen
Growth Analysis Studies of Sugarbeet
作者
Ken Rodger Storer / Colorado Agricultural Experiment Station / Richard Jacob Hecker / W. R. Schmehl
出版1973
ISBN
OCLC:2103448
主題
Sugar beet
Effect of Nitrogen Fertilizer, Stand, and Date of ...
作者
W. R. Schmehl / Jerre F. Swink / Colorado Agricultural Experiment Station / Arkansas Valley Branch Station
出版1962
ISBN
OCLC:393134312
主題
Nitrogen fertilizers
Farming Systems Research and Development
作者
Willis W. Shaner / Perry Fred Philipp / W. R. Schmehl / Consortium for International Development
出版1981
ISBN
OCLC:12739608
主題
Agricultural systems
Nitrogen Fertilization of Sugar Beets and Fodder B...
作者
Jeffrey Scott Jacobsen / W. R. Schmehl / Colorado Agricultural Experiment Station
出版1981
ISBN
OCLC:426545226
主題
Beets
Effect of Nitrogen Fertilization on Yield and Qual...
作者
W. R. Schmehl / Ronald F. Follett / R. H. Follett / Colorado Agricultural Experiment Station
出版1962
ISBN
OCLC:401407042
主題
Crops and nitrogen
Quantitative Growth Studies with Sugar Beets
作者
Harold Michael Golus / W. R. Schmehl / Colorado Agricultural Experiment Station
出版1973
ISBN
OCLC:424522435
主題
Sugar beet
Planting Methods and Sugarbeet Growth
作者
Bobby Duane McCaslin / W. R. Schmehl / Colorado Agricultural Experiment Station
出版1969
ISBN
OCLC:420487492
主題
Sugar beet
Seasonal Growth of Sugarbeets as Affected by Date ...
作者
Merlin Ardene Dillon / W. R. Schmehl / Colorado Agricultural Experiment Station
出版1971
ISBN
OCLC:423074424
主題
Sugar beet
Influence of Source, Rate and Placement of Fertili...
作者
Stanton D. Romsdal / W. R. Schmehl / Colorado Agricultural Experiment Station
出版1962
ISBN
OCLC:401794629
主題
Barley
Quantitative Growth Studies with Sugar Beets
作者
Harold Michael Golus / W. R. Schmehl / Colorado Agricultural Experiment Station
出版1969
ISBN
OCLC:420558408
主題
Sugar beet
Quantitative Growth Studies with Sugar Beets
作者
Ken Rodger Storer / W. R. Schmehl / Colorado Agricultural Experiment Station
出版1967
ISBN
OCLC:408362970
主題
Sugar beet
Yield and Quality of Sugar Beets as Affected by Re...
作者
Harold Michael Golus / W. R. Schmehl / Colorado Agricultural Experiment Station
出版1969
ISBN
OCLC:420604671
主題
Plants
Growth Studies with Sugar Beets
作者
Ken Rodger Storer / W. R. Schmehl / Colorado Agricultural Experiment Station
出版1969
ISBN
OCLC:420487089
主題
Sugar beet
Planting Methods and Sugarbeet Growth
作者
Bobby Duane McCaslin
出版1969
ISBN
OCLC:420487492
主題
Sugar beet
Water Management Team Report for the Bicol River B...
作者
CUSUSWASH Water Management Study Team / Sol D. Resnick / W. R. Schmehl / G. E. Stringham
出版1973
ISBN
OCLC:33339337
主題
Irrigation farming
Readings In Farming Systems Research And Developme...
作者
W. R. Schmehl / W R Schmehl / Perry F Philipp / W. W. Shaner
出版Routledge, 2019-06-26
ISBN
9781000309058 / 1000309053
主題
Social Science