California Agriculture
California Agriculture
California Agriculture
University of California
California Agriculture

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California Agriculture, Vol. 4, No.10

Studies on soil moisture, runoff and erosion
October 1950
Volume 4, Number 10

Research articles

Orchard heater smoke lessened: Smokiness of old-style orchard heaters can be reduced by proper operation and maintenance
by Robert A. Kepner
| Full text HTML  | PDF  
Not available – first paragraph follows: Installation of Return-Stack heaters in California citrus orchards offers an eventual solution to the smoke problem.
Not available – first paragraph follows: Installation of Return-Stack heaters in California citrus orchards offers an eventual solution to the smoke problem.
Classification of waters: Quality is based on specific electrical conductance, boron and chloride concentration, and sodium percentage
by L. D. Doneen
| Full text HTML  | PDF  
Not available – first paragraph follows: The first of two articles on the quality of water and plant tolerance to salts.
The first of two articles on the quality of water and plant tolerance to salts.
Chemical control of nematodes: Soil type important limiting factor in control of certain plant parasitic nematodes with volatile soil fumigants
by M. W. Allen, D. J. Raski
| Full text HTML  | PDF  
Not available – first paragraph follows: Root-knot nematode can frequently be controlled successfully by treating infested fields with a soil fumigant.
Not available – first paragraph follows: Root-knot nematode can frequently be controlled successfully by treating infested fields with a soil fumigant.
Sugar beet spacing trials: About 33,000 beet plants per acre most nearly maintained maximum sugar beet production in Imperial Valley tests
by John E. Swift
| Full text HTML  | PDF  
Not available – first paragraph follows: Sugar beet population studies were carried on in the Imperial Valley during the 1948 and 1949 seasons to establish the optimum plant population—either by row spacing or plant spacing in the rows.
Not available – first paragraph follows: Sugar beet population studies were carried on in the Imperial Valley during the 1948 and 1949 seasons to establish the optimum plant population—either by row spacing or plant spacing in the rows.
Dry weather fungi: Powdery mildews abundant in California where they thrive in the dry summer climate
by C. E. Yarwood
| Full text HTML  | PDF  
Not available – first paragraph follows: Powdery mildews—Erysiphaceae— have been found in California, on 176 plant host species.
Not available – first paragraph follows: Powdery mildews—Erysiphaceae— have been found in California, on 176 plant host species.
Soil moisture, runoff, erosion: Long-term comparative studies on vegetated and denuded plots in typical brush areas of California
by F. J. Veihmeyer
| Full text HTML  | PDF  
Not available – first paragraph follows: The chaparral lands of California-estimated at ten million acres—are covered with brush so dense that herbs and grasses which are suitable for grazing can not survive in competition with it.
Not available – first paragraph follows: The chaparral lands of California-estimated at ten million acres—are covered with brush so dense that herbs and grasses which are suitable for grazing can not survive in competition with it.
Protein intake of laying hens: Two levels of protein in diet for laying hens compared in tests in southern California
by A. T. Dietz
| Full text HTML  | PDF  
Not available – first paragraph follows: Hens in individual cages laid as well on a medium protein intake as on a diet with a high protein intake level during a six-month test on two ranches in the Pomona area.
Not available – first paragraph follows: Hens in individual cages laid as well on a medium protein intake as on a diet with a high protein intake level during a six-month test on two ranches in the Pomona area.
Worms in prunes: Damage in the 1950 season result of attacks by several pests
by Harold F. Madsen
| Full text HTML  | PDF  
Not available – first paragraph follows: Damage to prunes in the 1950 season involved the bud moth, the fruit tree leaf roller, the orange tortrix, the peach twig borer, and the codling moth.
Not available – first paragraph follows: Damage to prunes in the 1950 season involved the bud moth, the fruit tree leaf roller, the orange tortrix, the peach twig borer, and the codling moth.
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California Agriculture, Vol. 4, No.10

Studies on soil moisture, runoff and erosion
October 1950
Volume 4, Number 10

Research articles

Orchard heater smoke lessened: Smokiness of old-style orchard heaters can be reduced by proper operation and maintenance
by Robert A. Kepner
| Full text HTML  | PDF  
Not available – first paragraph follows: Installation of Return-Stack heaters in California citrus orchards offers an eventual solution to the smoke problem.
Not available – first paragraph follows: Installation of Return-Stack heaters in California citrus orchards offers an eventual solution to the smoke problem.
Classification of waters: Quality is based on specific electrical conductance, boron and chloride concentration, and sodium percentage
by L. D. Doneen
| Full text HTML  | PDF  
Not available – first paragraph follows: The first of two articles on the quality of water and plant tolerance to salts.
The first of two articles on the quality of water and plant tolerance to salts.
Chemical control of nematodes: Soil type important limiting factor in control of certain plant parasitic nematodes with volatile soil fumigants
by M. W. Allen, D. J. Raski
| Full text HTML  | PDF  
Not available – first paragraph follows: Root-knot nematode can frequently be controlled successfully by treating infested fields with a soil fumigant.
Not available – first paragraph follows: Root-knot nematode can frequently be controlled successfully by treating infested fields with a soil fumigant.
Sugar beet spacing trials: About 33,000 beet plants per acre most nearly maintained maximum sugar beet production in Imperial Valley tests
by John E. Swift
| Full text HTML  | PDF  
Not available – first paragraph follows: Sugar beet population studies were carried on in the Imperial Valley during the 1948 and 1949 seasons to establish the optimum plant population—either by row spacing or plant spacing in the rows.
Not available – first paragraph follows: Sugar beet population studies were carried on in the Imperial Valley during the 1948 and 1949 seasons to establish the optimum plant population—either by row spacing or plant spacing in the rows.
Dry weather fungi: Powdery mildews abundant in California where they thrive in the dry summer climate
by C. E. Yarwood
| Full text HTML  | PDF  
Not available – first paragraph follows: Powdery mildews—Erysiphaceae— have been found in California, on 176 plant host species.
Not available – first paragraph follows: Powdery mildews—Erysiphaceae— have been found in California, on 176 plant host species.
Soil moisture, runoff, erosion: Long-term comparative studies on vegetated and denuded plots in typical brush areas of California
by F. J. Veihmeyer
| Full text HTML  | PDF  
Not available – first paragraph follows: The chaparral lands of California-estimated at ten million acres—are covered with brush so dense that herbs and grasses which are suitable for grazing can not survive in competition with it.
Not available – first paragraph follows: The chaparral lands of California-estimated at ten million acres—are covered with brush so dense that herbs and grasses which are suitable for grazing can not survive in competition with it.
Protein intake of laying hens: Two levels of protein in diet for laying hens compared in tests in southern California
by A. T. Dietz
| Full text HTML  | PDF  
Not available – first paragraph follows: Hens in individual cages laid as well on a medium protein intake as on a diet with a high protein intake level during a six-month test on two ranches in the Pomona area.
Not available – first paragraph follows: Hens in individual cages laid as well on a medium protein intake as on a diet with a high protein intake level during a six-month test on two ranches in the Pomona area.
Worms in prunes: Damage in the 1950 season result of attacks by several pests
by Harold F. Madsen
| Full text HTML  | PDF  
Not available – first paragraph follows: Damage to prunes in the 1950 season involved the bud moth, the fruit tree leaf roller, the orange tortrix, the peach twig borer, and the codling moth.
Not available – first paragraph follows: Damage to prunes in the 1950 season involved the bud moth, the fruit tree leaf roller, the orange tortrix, the peach twig borer, and the codling moth.

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