Which type of soil has a low water-holding capacity?

Sandy soils have a low water-holding capacity primarily due to their coarse texture and large particle size. The spaces between sand particles are relatively large, allowing water to drain through them quickly, which means that they retain less moisture compared to finer-textured soils. This characteristic is beneficial for certain plants that thrive in well-drained conditions, but it can pose challenges for others that require more consistent moisture.

In contrast, clay soils, with their fine texture and smaller particle size, can hold water more effectively due to their smaller pore spaces. Silt soils, which have particle sizes between sand and clay, also retain moisture better than sandy soils. Loam soils, considered ideal for agriculture, are a balanced mixture of sand, silt, and clay, providing good water retention while still allowing for drainage. Thus, sandy soils stand out for their low capacity to retain water.