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1. Numbers of micro-organisms in relation to aggregate size.

Creator Personal:
Pohlman, G. G. (George Gordon), 1902-, Nottingham, R. J.
Title:
Numbers of micro-organisms in relation to aggregate size.
Call Number:
P16926
Date:
1941
Description:
Journal article reprint from: Iowa State College Journal of Science, v.15:no.4 (1941:July).
Subject Topical:
Soil microbiology., Soils., Soil structure.
All:
Soil structure., Soil microbiology., Soils.

2. Rate of application of organic matter in relation to soil aggregation.

Creator Personal:
Milam, F. M., Browning, George Monroe, 1908-
Title:
Rate of application of organic matter in relation to soil aggregation.
Call Number:
P16927
Date:
1941
Description:
Journal article reprint from: Soil Science Society of America Proceedings, v.6 (1941).
Subject Topical:
Soil microbiology., Soils., Soil structure.
All:
Soil structure., Soil microbiology., Soils.

3. Persistence of soil differences with respect to productivity.

Creator Personal:
Hoover, M. M., Garber, R. J.
Title:
Persistence of soil differences with respect to productivity.
Call Number:
P16994
Date:
1930
Description:
Journal article reprint from: Journal of the American Society of Agronomy, v.22:no.10 (1930:Oct.).
Subject Topical:
Agricultural productivity., Soils.
All:
Soils., Agricultural productivity.

4. Some things the experiment stations have found out about organic matter, green-manures, and the use of cover crops.

Creator Personal:
Dustman, Robert B. (Robert Barclay), 1892-
Title:
Some things the experiment stations have found out about organic matter, green-manures, and the use of cover crops.
Call Number:
P19007
Date:
1919
Description:

Serial issue. Issued as: West Virginia University. College of Agriculture. Extension Department. Agricultural summary, no. 9 (1919:Jan.).

Subject Topical:
Manures., Soils., Cover crops.
All:
Soils., Cover crops., Manures.