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Current Status of Research in Soil Compaction
- Raney, W. A., Edminster, T. W., Allaway, W. H.
- Soil Science Society of America journal 1955 v.19 no.4 pp. 423-428
- bulk density, compacted soils, crop production, livestock, planning, porosity, soil compaction, soil horizons, soil quality, tillage, traffic, trampling damage
- Discussion of this problem requires separation and careful definition of the kinds of soil conditions ordinarily considered under the general term soil compaction. Implement traffic, tillage operations, and livestock trampling may cause the formation of soil horizons of high bulk density and low porosity in soils which ordinarily have good physical properties. In planning research and extending research results, it is very important to distinguish these compacted layers from the conditions found in soils with genetically developed pan horizons. Examples of different kinds of both genetically-developed and traffic-induced pans are offered. Literature concerning the cause and nature of traffic-induced pans and their effects on crop production is reviewed and analyzed. The extent of such pans in the Eastern and Southern states is considered. Current research dealing with prevention of compaction and the amelioration of compacted soils is reviewed and aspects of the problem requiring additional research are pointed out.