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Download Contents (162 KB)

Download Bulletin 157: Arthur W. Young, The Winogradsky Spontaneous Culture Method for Determining Certain Soil Deficiencies (3.1 MB)

Download Bulletin 158: Dean A. Anderson, The Production of Gum by Certain Species of Rhizobium (3.1 MB)

Download Bulletin 159: H. C. Olson and B. W. Hammer, Bacteriology of Butter, V. Studies on the Microorganisms in Cultures (6.4 MB)

Download Bulletin 160: John A. Hopkins Jr., The Uses of Efficiency Factors in Analysis of Farm Records (7.4 MB)

Download Bulletin 161: Theodore W. Schultz and A. G. Black, Variations in Swine Prices Within Iowa Including a Study in Statistical Procedure (5.0 MB)

Download Bulletin 162: F. S. Wilkins and E. V. Collins, Effect of Time, Depth and Method of Plowing Upon Yield and Eradication of Biennial Sweet Clovers (2.4 MB)

Download Bulletin 163: Arthur A. Bryan, Factors Affecting Experimental Error in Field Plot Tests with Corn (6.7 MB)

Download Bulletin 164: Geoffrey Shepherd, Annual Fluctuations in the Price of Corn (5.0 MB)

Download Bulletin 165: A. L. Bakke and N. L. Noecker, The Relation of Moisture to Respiration and Heating in Stored Oats (2.7 MB)

Download Bulletin 166: Donald E. Bliss, The Pathogenicity and Seasonal Devellopment of Gymnosporangium in Iowa (7.6 MB)

Download Index (855 KB)

Description

Volume 13, Bulletins 157-166. (157) Winogradsky Spontaneous Culture Method for Determining Certain Soil Deficiencies; (158) Production of Gum by Certain Species of Rhizobium; (159) Bacteriology of Butter: V. Studies on the Microorganisms in Churns; (160) Uses of Efficiency Factors in Analysis of Farm Records; (161) Variations in Swine Prices within Iowa Including a Study in Statistical Procedure; (162) Effect of Time, Depth and Method of Plowing Upon Yield and Eradication of Biennial Sweet Clovers; (163) Factors Affecting Experimental Error in Field Plot Tests with Corn; (164) Annual Fluctuations in the Price of Corn; (165) Relation of Moisture to Respiration and Heating in Stored Oats; (166) Relation of Moisture to Respiration and Heating in Stored Oats; (166) Pathogenicity and Seasonal Development of Gymnosporangium in Iowa

Publication Date:

1933

Publisher:

Iowa State College of Agriculture and Mechanic Arts

City:

Ames, IA

Disciplines:

Agribusiness | Agricultural Economics | Agricultural Science | Agriculture | Agronomy and Crop Sciences | Bioresource and Agricultural Engineering | Botany | Dairy Science | Plant Pathology | Soil Science