Hardpan is reached about 18 inches below the surface, which would indicate that no tap root were needed were it not for the fact that a tiny brook runs down through the garden not far from the trees.
For the sand disappeared under a broad apron of caliche--a hardpan of baked mineral salts and earth almost impervious even to the shod hoof of a horse.
He came to a dark patch on the hardpan and strided over it, unheeding.
Nobody in Hardpan but Scarface could "hold" the young Cheyenne's delivery.
Here and there an attempt had been made by some of the Hardpan women or girls to make flowers grow; but they were sorry gardens.
The inhabitants of Hardpanwere out in force to see it.
Where blue gravel or hardpan and clean bank gravel are procurable, a good road may be made by mixing the two together.
Hardpan or stone screenings are much preferred for this purpose if they can be had.
There is on an average from two to three feet of soil on top of hardpan and hardpan is about two feet thick.
We could never understand why people do not grow more of it on shallow land over hardpan which is free from alkali and not irrigated too much at a time.
You could not reasonably expect dynamite to transform the character of the surface soil except as its rebelliousness might in some cases be wholly due to lack of drainage - in that case blasting the hardpan might work wonders.
I have land which is underlaid with hardpan two or three feet deep and this in turn is underlaid with sand or sandpan.
If you are sure of four feet of good soil above the hardpan you will have no difficulty in growing good trees, if you get the moisture just right and the hardpanslopes in such a way that surplus moisture will move away.
Alfalfa will penetrate some kinds and thicknesses of hardpan when it is kept moist, but not too wet, to encourage root growth.
There has been trouble from hardpan too near the surface and from the occurrence of a hardpan too rich in lime, which has resulted in yellow leaf and other manifestations of unthrift in the tree.
Do you consider soil which is from 4 to 6 feet deep to hardpan of sufficient depth for alfalfa?
Such treatment would render your soil mellow, and, in connection with blasting of the hardpan to prevent accumulation of surplus water over it, would accomplish the transformation which you desire.
This hardpan is more or less porous and seeps up water to some extent, but is too hard for roots to penetrate.
I have a small place on a hillside, with brown soil about one to two feet deep to hardpan and I am getting rather discouraged, as so many things fail to come up and others grow so very slowly after they are up.
Is there hardpan in the region of Lathrop in San Joaquin county, and can it be dissolved by irrigation, or can any good be accomplished by blowing holes at different places to allow the water to pass to lower levels?
If there should be a good available soil under a shallow layer of hardpan, which you say is four feet from the surface, it might be of considerable advantage to bore into the hardpan and explode a dynamite cartridge in it.
Thirty miles east along this Hardpan Spur was his home territory and he followed along the base of it.
The feast was but half finished when the head of every coyote in the pack was raised at once and the shuffling feet and grinding jaws were stilled as a timber wolf howled from the slope of the Hardpan Spur.
A new menace hovered over every coyote that ranged near the foot of the Hardpan Spur, a menace that filled the hardiest prairie wolf with dread.
Instead of the heavy clay subsoil of humid regions, the so-called hardpan occurs in regions of limited rainfall.
If streaks of loose gravel or layers of hardpanare near the surface, water may be lost to the plant roots.
Nevertheless, the farmer should make sure whether or not the hardpan does exist in the soil and plan his methods accordingly.
A hardpan formed in such a manner is frequently a serious obstacle to the downward movement of the roots, and also prevents the annual precipitation from moving down far enough to be beyond the influence of the sunshine and winds.
If a hardpan is present, the land must be fallowed more carefully every other year, so that a large quantity of water may be stored in the soil to open and destroy the hardpan.
It is fortunate, however, that in the great majority of instances this hardpan gradually disappears under the influence of proper methods of dry-farm tillage.
Old Hardpan himself couldn't have beaten it, even in his mule-skinning days.
