Abstract
Impact of soil compaction on the engineering properties of potato tubers
Highlights
Soil compaction is generally defined as the increase in soil density mostly due to the pressure on the soil[1]
This is in agreement with the study conducted by Ismail[28], where he reported that the tuber shape of the studied potato variety (Spunta) was considered as spherical
A field study was carried out in order to investigate the impact of the spatial variation of soil compaction on physical properties of potato tubers
Summary
Soil compaction is generally defined as the increase in soil density mostly due to the pressure on the soil[1]. The existence of compacted layers of dense soil near the soil surface is often attributed to the use of heavy machinery or the cultivation of wet soils. Deep compacted layers; may be caused by heavy harvesting machinery or trailers at times when the soil is too wet to withstand these high axle loads. The need to plant crops over a limited time window may increase the risk of soil compaction when working in soil of an inappropriate condition. A very low soil compaction around potato tubers at the planting time could delay crop emergence. The shallow rooting system of potatoes (about half of the effective rooting depth of cereals) makes them more sensitive to unfavorable soil conditions, such as low soil moisture and high soil compaction, compared to other crops[2]
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