hard pan


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hard pan

a layer of salt deposits which develops in the B soil horizon and restricts drainage and root growth.
References in periodicals archive ?
The presence of hard pan created due to repeated tillage practices at same depth had adverse effect on crop yield which may be removed through deep ploughing.
The story: Ten-year-old Lucky struggles to find control in her life in Hard Pan, population 43.
Most roots grow away from inhospitable areas such as a construction-compacted or natural hard pan.
The second site sampled on Hackberry Creek was located upstream from the cattle activity and had vegetated banks, clear water, and a hard pan clay substrate with occasional small sandbars.
Quick on the draw, the Grand Vitara hurtled from the hard pan and powered up the dunes.
For soft to medium rock, shale, hard pan and caliched ground conditions up to 10,000 psi, use the Gauntlet bit.
The other unfortunate side effect of rotovation is that the plot eventually develops a hard pan just below the four inch depth that the tines usually get down to, and as a result, the drainage goes to pot as well
Neither is a rotavator a good enough substitute for spade or fork, because besides cultivating the soil to little more than six inches, it eventually creates a hard pan, and, consequently, a waterlogged soil.