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Journal of Applied Sciences
Year: 2007  |  Volume: 7  |  Issue: 23  |  Page No.: 3639 - 3648

Soil Compaction Due to Sugarcane (Saccharum officinarum) Mechanical Harvesting and the Effects of Subsoiling on the Improvement of Soil Physical Properties

A.A. Naseri, S. Jafari and M. Alimohammadi    

Abstract: The main purpose of this study was to shed light on the soil behaviour from compaction point of view before and after harvesting traffic and on the reaction to the subsoiling operation. In this regard two different experiments were conducted and to provide an alternative tool for this evaluation, High Resolution Computed Tomography (HRCT-Scan) was also used. The results showed positive correlation of clay with maximum dry bulk density, but it was found that sand and silt were more positively correlated with optimum moisture content than clay. These results indicated that in this region, the soils are most susceptible to compaction and harvesting traffic make them compacted. The maximum compaction occurred in the first layer (0-20 cm depth) and minimum or no compaction happened in the layer, beyond the 60 cm depth. These results also showed that subsoiling the soil can improve the soil physical properties. Furthermore, CT-Scan results indicated that compaction can be treated by subsoiling and soil physical properties can be improved. This type of managing soil compaction has been used in the field and high harvested sugarcane (Saccharum officinarum) yield indicates that it is a successful operation.

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