Author: E. M. McGrewPublisher:
ISBN:
Category : Soil biochemistry
Languages : en
Pages : 28
Book Description
Fertility Study of an Iowa Farm and Its Soil Management Problem
Author: E. M. McGrewPublisher:
ISBN:
Category : Soil biochemistry
Languages : en
Pages : 28
Book Description
A Soil Fertility and Management Study of Two Farms in South Central Iowa
Author: N. Roy CarmichaelPublisher:
ISBN:
Category : Iowa
Languages : en
Pages : 58
Book Description
The Fertility in Iowa Soils
Author: Percy Edgar BrownPublisher:
ISBN:
Category : Agricultural experiment stations
Languages : en
Pages : 76
Book Description
A Soil Fertility and Farm Management Study of a One Hundred and Twenty Acre Farm in Shelby County, Iowa
Author: George Edward CorsonPublisher:
ISBN:
Category : Farm management
Languages : en
Pages : 80
Book Description
Soil Fertility Study of a Page County, Iowa Farm
Author: Fred FarquharPublisher:
ISBN:
Category : Soil fertility
Languages : en
Pages : 30
Book Description
A Soil Fertility and Farm Management Study of a Farm in Winneshiek County, in Northeastern Iowa
Author: Sigurd HansonPublisher:
ISBN:
Category : Farms, Small
Languages : en
Pages : 30
Book Description
A Soil Fertility Study of a Farm in Fremont County Iowa
Author: Mark Merritt SheldonA Soil Fertility Study of a Farm in Pottawattamie County, Iowa
Author: Jay WhitsonA Study of the Soil Fertility of a 400 Acre Farm in Cass County
Author: Phillip Eric NordakerA Soil Fertility Study of a Farm in Southwestern Iowa
Author: Robert Gauvain CambrePublisher:
ISBN:
Category : Soil fertility
Languages : en
Pages : 60
Book Description