Artificial soil structure and a method of preventing land desert

Details Artificial soil structure and a method of preventing land desert Artificial soil structure and a method of preventing land desert

1995-05-24

1996-12-03

Raduazo, Henry E.

Hydraulic and earth engineering

Earth treatment or control

Chemical

47 101, 47 58, A01B 7900

Patent

active

055801927

ABSTRACT:
An artificial soil structure includes at least one hydrophobic layer of hydrophobic particles provided in a soil. A particle size of the hydrophobic particles can be 2000 micrometers and less. The hydrophobic particles are sand and/or dirt treated with a water-repellent agent or hydrophobic particles having a high molecular weight polymer. An artificial water-retentive soil structure includes a soil block containing a water-retentive agent and a hydrophobic layer of hydrophobic particles provided on the soil block. A method of preventing land desertification includes the steps of placing a hydrophobic layer of hydrophobic particles in a soil at a prescribed depth from the earth surface and controlling the water content in said soil.

REFERENCES:
patent: 3274730 (1966-09-01), Bose
patent: 3710510 (1973-01-01), Tully
patent: 4004368 (1977-01-01), Tully
patent: 4027428 (1977-06-01), Hillel
patent: 4462184 (1984-07-01), Cunningham
patent: 5393312 (1995-02-01), Ogawa
patent: 5500245 (1996-03-01), Toushin

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