Soil sampler: Power-operated and mobile, new device speeds up soil surveying
AuthorRodney J. Arkley
Author AffiliationsRodney J. Arkley is Associate in the Division of Soils, Experiment Station, Berkeley.
Hilgardia 2(2):15-15. DOI:10.3733/ca.v002n02p15. February 1948.
A power-operated soil sampler now does the drudgery in soil surveying—the mechanical job of extracting soil samples which are required by the thousands for an adequate map of a survey area.
Also in this issue:Costs of almond production: In California analyzed in recently completed study
Parathion, new insecticide: Effective against mites and woolly apple aphid
Fungus flora species: In California citrus soils
Poultry Husbandry report for 1947: A brief progress report on research findings by the staff of the Division
Seedless Calimyrna figs: Produced without caprifigs by spraying with growth regulators
Wasp aids oriental fruit moth control
The mealybug problem: On newly grafted avocado trees
Value of urea tested: As a partial substitute for protein in range supplemental feeding
Citrus thrips control with DDT: Investigated in two Coachella Valley groves
Oriental fruit moth problem: In central California
Soil analysis: Not an answer, merely a tool in the study of soil problems
The improvement of tomatoes by selection