The Iowa Soil Survey and Field Experiments
Author : William Henry Stevenson
Publisher :
Page : 32 pages
File Size : 18,40 MB
Release : 1923
Category : Agriculture
ISBN :
Soil Surveys, Field Experiments and Soil Management in Iowa
Author : William Henry Stevenson
Publisher :
Page : 38 pages
File Size : 47,35 MB
Release : 1918
Category : Field experiments
ISBN :
Book Description
Soil Survey of Iowa
Author : Iowa Agriculture and Home Economics Experiment Station
Publisher :
Page : 768 pages
File Size : 26,12 MB
Release : 1923
Category :
ISBN :
Book Description
Soil Survey Report
Author : Iowa Agriculture and Home Economics Experiment Station
Publisher :
Page : 86 pages
File Size : 16,1 MB
Release : 1927
Category : Agricultural experiment stations
ISBN :
Book Description
Circular
Author : Iowa State College. Agricultural and Home Economics Experiment Station
Publisher :
Page : 1044 pages
File Size : 41,37 MB
Release : 1912
Category : Agriculture
ISBN :
Book Description
Circular
Author : Iowa State College. Extension Service in Agriculture and Home Economics
Publisher :
Page : 426 pages
File Size : 12,40 MB
Release : 1917
Category : Agriculture
ISBN :
Book Description
Circular
Author :
Publisher :
Page : 868 pages
File Size : 17,12 MB
Release : 1918
Category : Agriculture
ISBN :
Book Description
Circular
Author : Iowa Agriculture and Home Economics Experiment Station
Publisher :
Page : 612 pages
File Size : 40,66 MB
Release : 1917
Category : Agriculture
ISBN :
Book Description
Soil Survey
Author : United States. Soil Conservation Service
Publisher :
Page : 508 pages
File Size : 42,20 MB
Release : 1941
Category : Soil surveys
ISBN :
Book Description
A Summary of Experiment Station Data Showing the Results Obtained with Different Kinds and Amounts of Fertilizer and the Official Recommendations for the Northern States
Author : National Fertilizer Association. Soil Improvement Committee
Publisher :
Page : 196 pages
File Size : 21,64 MB
Release : 1924
Category : Fertilizers
ISBN :
