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California Agriculture, Vol. 4, No.12

Download Cover PDF
Restoration of redwoods by spot-seeding
December 1950
Volume 4, Number 12
PDF of Issue | View Abstracts

Research articles

Seedlings on old citrus soils: Effect of water, acid, alkali, and alcohol leaching of old citrus soils on growth of citrus seedlings
by James P. Martin
| Full text HTML  | PDF  
Orange, lemon, and grapefruit trees in most southern California citrus-producing areas do not grow so well when planted in soil previously cropped to citrus as when planted in a soil for the first time.
Orange, lemon, and grapefruit trees in most southern California citrus-producing areas do not grow so well when planted in soil previously cropped to citrus as when planted in a soil for the first time.
Tomato insect survey: Studies indicate direct field seeding increases early season problem
by A. E. Michelbacher, W. W. Middlekauff, E. E. Stevenson
| Full text HTML  | PDF  
The insect situation in tomato plantings during the early season of 1950 was more serious than during the past several years.
The insect situation in tomato plantings during the early season of 1950 was more serious than during the past several years.
Spot-wise seeding for redwood: Artificial reforestation by seeding or planting necessary on cutover land devoid of seed trees
by Emanuel Fritz
| Full text HTML  | PDF  
Cutover redwood timber lands—those without seed trees—can not be expected to reforest naturally and need help from artificial reforestation.
Cutover redwood timber lands—those without seed trees—can not be expected to reforest naturally and need help from artificial reforestation.
Improved egg size: High heritability of egg weight gives rapid response to selective breeding
by I. Michael Lerner
| Full text HTML  | PDF  
Breeding for egg size differs in several important respects from other problems of poultry breeders.
Breeding for egg size differs in several important respects from other problems of poultry breeders.
Phosphate test for grain land: Bingham soil phosphate test enables accurate prediction of yield response of cereals to phosphorus fertilization
by W. E. Martin, J. R. Buchanan
| Full text HTML  | PDF  
Grain fertilizer tests with uniform fertilizers were applied in over 200 separate field tests in 40 counties during the past three seasons—covering most grain-growing areas of the state and representing a wide range of soil series.
Grain fertilizer tests with uniform fertilizers were applied in over 200 separate field tests in 40 counties during the past three seasons—covering most grain-growing areas of the state and representing a wide range of soil series.
Eradication of pocket gophers: Comparative field tests demonstrate best poisons, baits, and dosages for practical gopher control
by Milton A. Miller
| Full text HTML  | PDF  
The most effective and economical method for eradicating pocket gophers-responsible for a major share of the multimillion dollar damage inflicted annually on California agriculture by field rodents—is by poisoning.
The most effective and economical method for eradicating pocket gophers-responsible for a major share of the multimillion dollar damage inflicted annually on California agriculture by field rodents—is by poisoning.
Walnut cuttings: Treatment with hormones, callusing in sand for vegetative propagation
by E. F. Serr
| Full text HTML  | PDF  
Vegetative propagation of Paradox hybrid walnut rootstocks was successful this spring in trials carried on at Davis.
Vegetative propagation of Paradox hybrid walnut rootstocks was successful this spring in trials carried on at Davis.
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California Agriculture > Volume 4 > Number 12 > 

< Previous issue |   Next issue >

>< Previous issue |   Next issue >

California Agriculture, Vol. 4, No.12

Download Cover PDF
Restoration of redwoods by spot-seeding
December 1950
Volume 4, Number 12
PDF of Issue | View Abstracts

Research articles

Seedlings on old citrus soils: Effect of water, acid, alkali, and alcohol leaching of old citrus soils on growth of citrus seedlings
by James P. Martin
| Full text HTML  | PDF  
Orange, lemon, and grapefruit trees in most southern California citrus-producing areas do not grow so well when planted in soil previously cropped to citrus as when planted in a soil for the first time.
Orange, lemon, and grapefruit trees in most southern California citrus-producing areas do not grow so well when planted in soil previously cropped to citrus as when planted in a soil for the first time.
Tomato insect survey: Studies indicate direct field seeding increases early season problem
by A. E. Michelbacher, W. W. Middlekauff, E. E. Stevenson
| Full text HTML  | PDF  
The insect situation in tomato plantings during the early season of 1950 was more serious than during the past several years.
The insect situation in tomato plantings during the early season of 1950 was more serious than during the past several years.
Spot-wise seeding for redwood: Artificial reforestation by seeding or planting necessary on cutover land devoid of seed trees
by Emanuel Fritz
| Full text HTML  | PDF  
Cutover redwood timber lands—those without seed trees—can not be expected to reforest naturally and need help from artificial reforestation.
Cutover redwood timber lands—those without seed trees—can not be expected to reforest naturally and need help from artificial reforestation.
Improved egg size: High heritability of egg weight gives rapid response to selective breeding
by I. Michael Lerner
| Full text HTML  | PDF  
Breeding for egg size differs in several important respects from other problems of poultry breeders.
Breeding for egg size differs in several important respects from other problems of poultry breeders.
Phosphate test for grain land: Bingham soil phosphate test enables accurate prediction of yield response of cereals to phosphorus fertilization
by W. E. Martin, J. R. Buchanan
| Full text HTML  | PDF  
Grain fertilizer tests with uniform fertilizers were applied in over 200 separate field tests in 40 counties during the past three seasons—covering most grain-growing areas of the state and representing a wide range of soil series.
Grain fertilizer tests with uniform fertilizers were applied in over 200 separate field tests in 40 counties during the past three seasons—covering most grain-growing areas of the state and representing a wide range of soil series.
Eradication of pocket gophers: Comparative field tests demonstrate best poisons, baits, and dosages for practical gopher control
by Milton A. Miller
| Full text HTML  | PDF  
The most effective and economical method for eradicating pocket gophers-responsible for a major share of the multimillion dollar damage inflicted annually on California agriculture by field rodents—is by poisoning.
The most effective and economical method for eradicating pocket gophers-responsible for a major share of the multimillion dollar damage inflicted annually on California agriculture by field rodents—is by poisoning.
Walnut cuttings: Treatment with hormones, callusing in sand for vegetative propagation
by E. F. Serr
| Full text HTML  | PDF  
Vegetative propagation of Paradox hybrid walnut rootstocks was successful this spring in trials carried on at Davis.
Vegetative propagation of Paradox hybrid walnut rootstocks was successful this spring in trials carried on at Davis.

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