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Examples of hardpan
hardpan
Hardpan also helps form wetlands, a joy for migrating birds in natural preserves.
From the sacbee.com
They are formed because there is an impermeable layer in the soil called hardpan.
From the sacbee.com
I'll also assume that there's no hardpan or other hard layer close to the surface.
From the orlandosentinel.com
The fairways have good grass coverage, but stray too far, and hardpan awaits.
From the sacbee.com
He chased that sound for years, across hardpan, till he was but a stone's throw away.
From the timesunion.com
An area can have layers of sandy soil, fractured bedrock, clay, or hardpan.
From the en.wikipedia.org
Hardpan holds together tightly because it's made of tiny clay particles.
From the sacbee.com
The holes allow water and roots to go down and work through the hardpan.
From the sacbee.com
Your soil probably has an underlying layer of hardpan that limits its ability to drain.
From the sacbee.com
- Caliche: crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions
- In soil science, agriculture and gardening, hardpan or ouklip is a general term for a dense layer of soil, usually found below the uppermost topsoil layer. ...
- A hard, impervious layer, composed chiefly of clay, that is cemented by relatively insoluble materials, that does not become plastic when mixed with water, and definitely limits the downward movement of water and roots. ...
- A natural or man-made solid clay layer within the soil resulting in poor drainage and poor plant growth
- A thin crust of material within a soil as a result of the illuviation of iron and/or aluminium from layers above or the precipitation of calcium carbonates which cement sands together.
- A layer of nearly impermeable soil beneath a more permeable soil, formed by natural chemical cementing of the soil particles.
- A layer of strongly cemented material that occurs in unconsolidated sediments.
- A hardened soil layer caused when soil particles are cemented together by organic matter or other materials. Hardpans may inhibit root growth and trap water, resulting in a waterlogged soil layer.
- The impervious layer of soil or clay lying beneath the topsoil.
