Poultry Husbandry report for 1947: A brief progress report on research findings by the staff of the Division

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

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

Soil sampler: Power-operated and mobile, new device speeds up soil surveying

The improvement of tomatoes by selection