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California Agriculture, Vol. 7, No.6

New almond variety for California
June 1953
Volume 7, Number 6

Research articles

Marketing of hops analyzed: Influence of the control program on the hop marketing situation in California studied
by Sidney Hoos, J. N. Boles
| Full text HTML  | PDF  
Not available – first paragraph follows: The following article is based on a detailed report, “Hops: Statistical-Economic Analysis of Marketing,” No. 139, by the same authors which may be obtained without cost by writing to the Giannini Foundation of Agricultural Economics, University of California, Berkeley 4
The following article is based on a detailed report, “Hops: Statistical-Economic Analysis of Marketing,” No. 139, by the same authors which may be obtained without cost by writing to the Giannini Foundation of Agricultural Economics, University of California, Berkeley 4
Almond harvesting: Mechanization promising in reducing harvesting costs
by Burt B. Burlingame, Albert G. Volz
| Full text HTML  | PDF  
Not available – first paragraph follows: Harvesting accounts for more than 40% of the total costs of almond production as found in a 5-year study in Stanislaus County. Over one-half of the harvesting cost is in getting the nuts from the trees to the huller.
Not available – first paragraph follows: Harvesting accounts for more than 40% of the total costs of almond production as found in a 5-year study in Stanislaus County. Over one-half of the harvesting cost is in getting the nuts from the trees to the huller.
New almond variety released: A good pollinizer for Nonpareil with good nut quality, tree growth, yield, available for general propagation
by E. F. Serr, D. E. Kester
| Full text HTML  | PDF  
Not available – first paragraph follows: Davey, a new almond variety with good tree growth, yield, and nut characteristics has been released for general propagation.
Not available – first paragraph follows: Davey, a new almond variety with good tree growth, yield, and nut characteristics has been released for general propagation.
Walnuts in Southern California: Control of codling moth by treatment with new materials evaluated during 1952 season
by J. C. Ortega
| Full text HTML  | PDF  
Not available – first paragraph follows: DDT is the most effective and economically feasible material to use for the control of the codling moth on walnuts in southern California. It has been used successfully under a variety of conditions for a number of years in the field. At present there is no indication that the codling moth larvae are becoming resistant. DDT is compatible with all of the more effective aphicides and miticides recommended for use in walnut pest control.
Not available – first paragraph follows: DDT is the most effective and economically feasible material to use for the control of the codling moth on walnuts in southern California. It has been used successfully under a variety of conditions for a number of years in the field. At present there is no indication that the codling moth larvae are becoming resistant. DDT is compatible with all of the more effective aphicides and miticides recommended for use in walnut pest control.
Fertilizer sources for cotton: Fertilizer materials supplying nitrogen and phosphate tested for crop producing efficiency
by D. S. Mikkelsen, E. G. Smith
| Full text HTML  | PDF  
Not available – first paragraph follows: Nitrogen is the most important single fertilizer element in the economic production of cotton in California.
Not available – first paragraph follows: Nitrogen is the most important single fertilizer element in the economic production of cotton in California.
Migrating aphids on walnuts: Regimentation of aphid-free orchards a constant threat from infested orchards on windward side
by A. E. Michelbacher, O. G. Bacon
| Full text HTML  | PDF  
Not available – first paragraph follows: A single treatment—with one of the several available insecticides—could control aphids on walnuts for an entire season if migrating aphids could be kept from the orchard.
Not available – first paragraph follows: A single treatment—with one of the several available insecticides—could control aphids on walnuts for an entire season if migrating aphids could be kept from the orchard.
Purple scale control: Imported parasites give promise of ultimate biological control
by Paul DeBach
| Full text HTML  | PDF  
Not available – first paragraph follows: Successful biological control of the purple scale in California may be proven in experiments underway in citrus groves in Orange County.
Not available – first paragraph follows: Successful biological control of the purple scale in California may be proven in experiments underway in citrus groves in Orange County.
Vinegar fly in tomato fields: Series of experimental tests indicates solution of control problem may be in field treatments
by A. E. Michelbacher, O. G. Bacon, W. W. Middlekauff
| Full text HTML  | PDF  
Not available – first paragraph follows: DDT and dieldrin have shown the most promise in experiments to control the vinegar fly—Drosophila melanogaster Meig.—on tomatoes. However, field investigations with insecticides have not progressed to a point where treatment recommendations can be made.
Not available – first paragraph follows: DDT and dieldrin have shown the most promise in experiments to control the vinegar fly—Drosophila melanogaster Meig.—on tomatoes. However, field investigations with insecticides have not progressed to a point where treatment recommendations can be made.
Oriental fruit fly studies: Mass culture of natural enemies of destructive fly possible after two years of laboratory research
by Glenn L. Finney
| Full text HTML  | PDF  
Not available – first paragraph follows: Accidental introduction of the oriental fruit fly—Dacus dorsalis Hendel—to the mainland as it was to the Hawaiian Islands is a distinct threat to California agriculture.
Not available – first paragraph follows: Accidental introduction of the oriental fruit fly—Dacus dorsalis Hendel—to the mainland as it was to the Hawaiian Islands is a distinct threat to California agriculture.
Orchard plow-pans: Obstacle to root distribution and water penetration can be reduced
by E. L. Proebsting
| Full text HTML  | PDF  
Not available – first paragraph follows: Effects of a plow-pan in an orchard— interference with normal distribution of tree roots and with the rate of water penetration into the deeper soil layers— can be counteracted to a considerable degree by a soil management program.
Not available – first paragraph follows: Effects of a plow-pan in an orchard— interference with normal distribution of tree roots and with the rate of water penetration into the deeper soil layers— can be counteracted to a considerable degree by a soil management program.
Commercially grown carnations: Studies in soil fertility control made to determine optimum fertilization for production of ornamentals
by O. R. Lunt, R. H. Sciaroni, E. J. Bowles
| Full text HTML  | PDF  
Not available – first paragraph follows: Soil testing for fertility control in carnation production showed that large quantities of nitrogen and of potassium are removed from the soil—by plant absorption or through leaching—when cultural methods for bench grown carnations are typical of those in use in the San Francisco Bay Area.
Not available – first paragraph follows: Soil testing for fertility control in carnation production showed that large quantities of nitrogen and of potassium are removed from the soil—by plant absorption or through leaching—when cultural methods for bench grown carnations are typical of those in use in the San Francisco Bay Area.
Spinach at retail: Study of fresh packaged and bulk spinach compared quality and price
by Jessie V. Coles
| Full text HTML  | PDF  
Not available – first paragraph follows: A total of 428 samples of packaged spinach and 346 samples of bulk spinach were examined in a laboratory study to determine extent and character of defects and the relative price of the edible spinach.
Not available – first paragraph follows: A total of 428 samples of packaged spinach and 346 samples of bulk spinach were examined in a laboratory study to determine extent and character of defects and the relative price of the edible spinach.
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California Agriculture, Vol. 7, No.6

New almond variety for California
June 1953
Volume 7, Number 6

Research articles

Marketing of hops analyzed: Influence of the control program on the hop marketing situation in California studied
by Sidney Hoos, J. N. Boles
| Full text HTML  | PDF  
Not available – first paragraph follows: The following article is based on a detailed report, “Hops: Statistical-Economic Analysis of Marketing,” No. 139, by the same authors which may be obtained without cost by writing to the Giannini Foundation of Agricultural Economics, University of California, Berkeley 4
The following article is based on a detailed report, “Hops: Statistical-Economic Analysis of Marketing,” No. 139, by the same authors which may be obtained without cost by writing to the Giannini Foundation of Agricultural Economics, University of California, Berkeley 4
Almond harvesting: Mechanization promising in reducing harvesting costs
by Burt B. Burlingame, Albert G. Volz
| Full text HTML  | PDF  
Not available – first paragraph follows: Harvesting accounts for more than 40% of the total costs of almond production as found in a 5-year study in Stanislaus County. Over one-half of the harvesting cost is in getting the nuts from the trees to the huller.
Not available – first paragraph follows: Harvesting accounts for more than 40% of the total costs of almond production as found in a 5-year study in Stanislaus County. Over one-half of the harvesting cost is in getting the nuts from the trees to the huller.
New almond variety released: A good pollinizer for Nonpareil with good nut quality, tree growth, yield, available for general propagation
by E. F. Serr, D. E. Kester
| Full text HTML  | PDF  
Not available – first paragraph follows: Davey, a new almond variety with good tree growth, yield, and nut characteristics has been released for general propagation.
Not available – first paragraph follows: Davey, a new almond variety with good tree growth, yield, and nut characteristics has been released for general propagation.
Walnuts in Southern California: Control of codling moth by treatment with new materials evaluated during 1952 season
by J. C. Ortega
| Full text HTML  | PDF  
Not available – first paragraph follows: DDT is the most effective and economically feasible material to use for the control of the codling moth on walnuts in southern California. It has been used successfully under a variety of conditions for a number of years in the field. At present there is no indication that the codling moth larvae are becoming resistant. DDT is compatible with all of the more effective aphicides and miticides recommended for use in walnut pest control.
Not available – first paragraph follows: DDT is the most effective and economically feasible material to use for the control of the codling moth on walnuts in southern California. It has been used successfully under a variety of conditions for a number of years in the field. At present there is no indication that the codling moth larvae are becoming resistant. DDT is compatible with all of the more effective aphicides and miticides recommended for use in walnut pest control.
Fertilizer sources for cotton: Fertilizer materials supplying nitrogen and phosphate tested for crop producing efficiency
by D. S. Mikkelsen, E. G. Smith
| Full text HTML  | PDF  
Not available – first paragraph follows: Nitrogen is the most important single fertilizer element in the economic production of cotton in California.
Not available – first paragraph follows: Nitrogen is the most important single fertilizer element in the economic production of cotton in California.
Migrating aphids on walnuts: Regimentation of aphid-free orchards a constant threat from infested orchards on windward side
by A. E. Michelbacher, O. G. Bacon
| Full text HTML  | PDF  
Not available – first paragraph follows: A single treatment—with one of the several available insecticides—could control aphids on walnuts for an entire season if migrating aphids could be kept from the orchard.
Not available – first paragraph follows: A single treatment—with one of the several available insecticides—could control aphids on walnuts for an entire season if migrating aphids could be kept from the orchard.
Purple scale control: Imported parasites give promise of ultimate biological control
by Paul DeBach
| Full text HTML  | PDF  
Not available – first paragraph follows: Successful biological control of the purple scale in California may be proven in experiments underway in citrus groves in Orange County.
Not available – first paragraph follows: Successful biological control of the purple scale in California may be proven in experiments underway in citrus groves in Orange County.
Vinegar fly in tomato fields: Series of experimental tests indicates solution of control problem may be in field treatments
by A. E. Michelbacher, O. G. Bacon, W. W. Middlekauff
| Full text HTML  | PDF  
Not available – first paragraph follows: DDT and dieldrin have shown the most promise in experiments to control the vinegar fly—Drosophila melanogaster Meig.—on tomatoes. However, field investigations with insecticides have not progressed to a point where treatment recommendations can be made.
Not available – first paragraph follows: DDT and dieldrin have shown the most promise in experiments to control the vinegar fly—Drosophila melanogaster Meig.—on tomatoes. However, field investigations with insecticides have not progressed to a point where treatment recommendations can be made.
Oriental fruit fly studies: Mass culture of natural enemies of destructive fly possible after two years of laboratory research
by Glenn L. Finney
| Full text HTML  | PDF  
Not available – first paragraph follows: Accidental introduction of the oriental fruit fly—Dacus dorsalis Hendel—to the mainland as it was to the Hawaiian Islands is a distinct threat to California agriculture.
Not available – first paragraph follows: Accidental introduction of the oriental fruit fly—Dacus dorsalis Hendel—to the mainland as it was to the Hawaiian Islands is a distinct threat to California agriculture.
Orchard plow-pans: Obstacle to root distribution and water penetration can be reduced
by E. L. Proebsting
| Full text HTML  | PDF  
Not available – first paragraph follows: Effects of a plow-pan in an orchard— interference with normal distribution of tree roots and with the rate of water penetration into the deeper soil layers— can be counteracted to a considerable degree by a soil management program.
Not available – first paragraph follows: Effects of a plow-pan in an orchard— interference with normal distribution of tree roots and with the rate of water penetration into the deeper soil layers— can be counteracted to a considerable degree by a soil management program.
Commercially grown carnations: Studies in soil fertility control made to determine optimum fertilization for production of ornamentals
by O. R. Lunt, R. H. Sciaroni, E. J. Bowles
| Full text HTML  | PDF  
Not available – first paragraph follows: Soil testing for fertility control in carnation production showed that large quantities of nitrogen and of potassium are removed from the soil—by plant absorption or through leaching—when cultural methods for bench grown carnations are typical of those in use in the San Francisco Bay Area.
Not available – first paragraph follows: Soil testing for fertility control in carnation production showed that large quantities of nitrogen and of potassium are removed from the soil—by plant absorption or through leaching—when cultural methods for bench grown carnations are typical of those in use in the San Francisco Bay Area.
Spinach at retail: Study of fresh packaged and bulk spinach compared quality and price
by Jessie V. Coles
| Full text HTML  | PDF  
Not available – first paragraph follows: A total of 428 samples of packaged spinach and 346 samples of bulk spinach were examined in a laboratory study to determine extent and character of defects and the relative price of the edible spinach.
Not available – first paragraph follows: A total of 428 samples of packaged spinach and 346 samples of bulk spinach were examined in a laboratory study to determine extent and character of defects and the relative price of the edible spinach.

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