Even soil with a 'fairly high clay content' became acidified at depth.

The second type consists of brownish-to-gray and black soils with a high clay content.

The clay content of ultisols is high, making it difficult for water to penetrate and flow through.

If the soil is too heavy, with a high clay content, the roots do not develop well.

The higher the gamma-ray count rate, the larger the clay content and vice versa.

The cave is very muddy: high in clay content and containing an active stream.

The higher the clay content, the more sticky the soil and the more care you must take.

Here the soil has more clay content, and the agricultural value is not so high.

The locals call the soil "adobe" due to its high clay content.

The soil has a high clay content which keeps down losses from seepage.