Sample of different soil types are packed in glass tubes whose lower ends are plugged with cotton wool, if these tubes are suspended in a trough of water, water will rise highest after a few hours in
Capillarity, the ability of a liquid to move against gravity through small spaces, is highest in clay soils due to their fine particles and small pore spaces. Clay soils are composed of very small, tightly packed particles, creating numerous small channels or pores. The small spaces between clay particles also contribute to a high water-holding capacity, meaning clay soils can retain moisture for extended periods.
While loamy soils also exhibit some capillarity, sandy soils have larger particles and pore spaces, resulting in lower capillarity and faster water drainage.
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