California Agriculture, May 1947

Volume 1, Number 6

research articles

Control of peach twig borer under continuing study
by Stanley F. Bailey
pp1-2, doi#10.3733/ca.v001n06p1a
Abstract
Not available – first paragraph follows: In the past year or two many new chemicals have entered the field of insecticides but the majority of them are not useful in the control of the peach twig borer.
Expanded Abstract | PDF

Extra irrigation is extra expense in prune production
by A. H. Hendrickson , F. J. Veihmeyer
pp1-3, doi#10.3733/ca.v001n06p1b
Abstract
Not available – first paragraph follows: There exists a general idea, that if maintaining moisture in an orchard readily available to the trees at all times is good, the addition of more water to keep the soil moisture relatively high is better.
Expanded Abstract | PDF

DDT dust with sulfur is treatment recommended for summer control of greenhouse thrips on avocados
by Walter Ebeling
pp1, doi#10.3733/ca.v001n06p1c
Abstract
Not available – first paragraph follows: During the past few years the greenhouse thrips, Heliothrips haemorrhoidalis, has become the most serious of the avocado pests, especially in the areas of greatest concentration of the avocado industry, in San Diego County.
Expanded Abstract | PDF

New method for disposal of liquid waste by wineries
by G. L. Marsh
pp1-3, doi#10.3733/ca.v001n06p1d
Abstract
Not available – first paragraph follows: Pilot scale field tests during the past vintage season proved it is possible to eliminate the odor nuisance and the mosquito menace from land disposal of winery liquid wastes, or stillage.
Expanded Abstract | PDF

Precision planter for row crop seeds proved successful
by Roy Bainer
pp1-3, doi#10.3733/ca.v001n06p1e
Abstract
Not available – first paragraph follows: Precision planting of small seed row crops is now possible by the use of a metered planter which drops the seed at a pre-selected, uniform spacing in the furrow.
Expanded Abstract | PDF

Control of insect pests by means of disease agents
by Edward A. Steinhaus
pp2, doi#10.3733/ca.v001n06p2b
Abstract
Not available – first paragraph follows: Biological warfare against certain insect pests by means of disease agents is a relatively unexplored method of insect control.
Expanded Abstract | PDF

Rootstocks for marsh grapefruit investigated
by L. D. Batchelor , W. P. Bitters
pp3-4, doi#10.3733/ca.v001n06p3
Abstract
Not available – first paragraph follows: Two experimental plantings of Marsh grapefruit on several different rootstocks were made in 1928.
Expanded Abstract | PDF

Plant analysis as a guide in the fertilization of sugar beets for improved production
by Albert Ulrich
pp4, doi#10.3733/ca.v001n06p4a
Abstract
Not available – first paragraph follows: The need for better methods of determining the fertilizer requirements of sugar beets is emphasized whenever a fertilizer program is proposed for a field of beets.
Expanded Abstract | PDF

General Information

Peach twig borer
Editors
pp2, doi#10.3733/ca.v001n06p2a
PDF

Methods of fruit plunt propagation explained
Editors
pp4, doi#10.3733/ca.v001n06p4b
PDF

Abstracts of new publications
Editors
pp4, doi#10.3733/ca.v001n06p4c
PDF