California Agriculture, September 1951
Volume 5, Number 9
Imported parasites bred in new quarantine unit
Biological control quarantine: Albany unit handles importation of insects to be tested against agricultural pests of central, northern California
by R. L. Doutt
Not available – first paragraph follows: A quarantine unit to handle the safe importation of beneficial insects was completed at Albany in May 1951.
Artichoke plume moth: Chemical control now possible if applications of proper chemicals are correctly timed
by W. Harry Lange , R. H. Sciaroni , Elmer C. Carlson
Not available – first paragraph follows: Commercial production of the globe artichoke is limited to several coastal counties–San Mateo, Santa Cruz, Monterey, San Luis Obispo, and Santa Barbara–where approximately 8,000 acres are grown.
Brush range improvement: Preliminary report on postburn seeding and management demonstrations in Shasta and San Diego counties
by J. L. Myler , J. E. Street
Not available – first paragraph follows: Techniques in brush range improvement are being tested in Shasta and San Diego counties.
Leaf analysis of citrus: Tests in eight counties indicate the potassium and phosphorus status of California citrus orchards
by H. D. Chapman , Forrest Fullmer
Not available – first paragraph follows: Orange size, yield and quality can be improved in California citrus orchards by adjusting potassium and phosphorus content of the tree.
Deer repellents: Sprays found not harmful to foliage on two-year-old trees
by Walter E. Howard , Henry A. Hjersman
Not available – first paragraph follows: Deer repellents sprayed on two-year-old fruit and nut trees did not damage the foliage, even at twice the strength recommended by the manufacturers and when sprayed as often as every two weeks.
Land leveling studies: Survey of irrigation systems and practices in Coache1la Valley may help in the development of new farm lands
by Samuel A. Hart
Not available – first paragraph follows: Irrigation systems and practices on existing farms were studied in Coachella Valley, and the findings are available for use on new agricultural land developed by the importation of Colorado River water into the area.
Control of orchid mites: False spider mites and spider mites must be distinguished for proper control purposes
by A. Earl Pritchard
Not available – first paragraph follows: Two kinds of mites feed on orchid plants–the spider mites or red spiders, and the false spider mites.
High-yield orange orchards: Management practices and soil conditions studied in 43 mature, high-performance orchards in California
by R. B. Harding
Not available – first paragraph follows: High-yielding orange orchards are being sampled throughout southern California to find clues as to management practices and soil conditions that will produce excellent citrus.
Almond hulls as feed: Lamb fattening trials reveal that soft shell variety is best for livestock when fed with barley and alfalfa
by William C. Weir
Not available – first paragraph follows: Almond hulls of the IXL variety–soft shell–are of better feed value and have produced better gains than hulls of the Mission or Texas–hard shell–variety.
California fresh tomatoes: Marketing channels and gross margins from farm to consumer studied in statewide project
by Walter D. Fisher
Landscape architecture and landscape gardening: Research projects deal with public lands development, housing, school ground planning; garden design and maintenance, turf culture, nursery management and floriculture