Abstract
Background: Soil compaction can occur due to the intensity of tractor traffic in the tillage process. The objective of this study was to determine the changes in physical, mechanical properties of the soil and plant growth that occurred due to tractor traffic and how it would affect if the addition of organic matter (compost) was added to the soil. Methods: The experimental work was conducted at the Sugarcane Plantation of PTPN II Klumpang at an initial soil moisture content of 24.69% and a bulk density of 1.08 gr/cm3 with compost and no compost then the land is traversed by the tractor with 2,4 and 6 passes. Result: The results of indicate that the tractor trajectory and the addition of compost have a significant effect on soil compaction. The highest values for water content, bulk density, particle density and penetration resistance were obtained at 6 times tractor traffic with soil without compost sowing respectively 35.36%, 1.31 gr/cm3, 1.87 gr/cm3, 9.61 kgf/cm2, while in soil with compost, the values obtained were 33.62%, 1.23 gr/cm3, 1.82 gr/cm3, 9.04 kgf/cm2, respectively. These findings indicated that the application of compost can reduce the level of soil density so that plant growth becomes better and more even rate of plant growth is obtained than without compost.
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