Glass fiber filters for tile drains
AuthorsW. R. Johnston
A. F. Pillsbury
Authors AffiliationsWilliam R. Johnston is Associate Specialist, Department of Irrigation and Soil Science, University of California, Los Angeles; Arthur F. Pillsbury is Professor of Irrigation and Engineering, Department of Irrigation and Soil Science, University of California, Los Angeles; Emil Shaw is Laboratory Technician IV, Department of Irrigation and Soil Science, University of California, Los Angeles.
Hilgardia 17(10):8-9. DOI:10.3733/ca.v017n10p8. October 1963.
Field tests in western Fresno County have confirmed laboratory tests indicating that glass fiber filtering materials can be used to satisfactorily replace the sand filters which have been standard practice in drain tile installations, but which may be quite costly in some areas. No information is yet available on the life of glass fiber filters. It was hoped to obtain quantitative evaluation of the effectiveness of several types of glass fiber filters in comparison with sand filters, but comparisons were masked by extreme variation in the sodium status of the soil. Glass fiber filters generally filtered out more of the fines than did sand filters.
Also in this issue:Mission veldtgrass: A new high-seed-yielding, non-shattering perennial veldtgrass named for and adapted to California's mission trail rangelands and beaches.
Wind erosion control with chemical sprays
Preplant fertilizers: On winter planted strawberries
Sorghum forages: For silage in California
Weather influences on use of acaricides for citrus mite control
Tanoak: Drying program and shrinkage characteristics
Metabolic alterations in diseased plants
Some problems in the use of artificial light in crop protection