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Calag Archive

Calag Archive

California Agriculture, Vol. 12, No.10

Heavy duty drill for seed placement on ranges
October 1958
Volume 12, Number 10

Research articles

Mechanical fruit tree shaking: Effect of frequency and stroke on fruit removal and power requirements analyzed in study of reciprocating type shaker
by P. A. Adrian, R. B. Fridley
| Full text HTML  | PDF  
Boom type shakers—used for the mechanical removal of fruit from trees—may cause less strain on the roots and consequently less damage than the cable type shakers according to observations made in an extensive analysis of the basic engineering principles involved in tree shaking.
Boom type shakers—used for the mechanical removal of fruit from trees—may cause less strain on the roots and consequently less damage than the cable type shakers according to observations made in an extensive analysis of the basic engineering principles involved in tree shaking.
Rooting pear, plum rootstocks: Growth-regulator treatments and a warm preplanting storage period promoted rooting of fall-collected hardwood cuttings
by Hudson T. Hartmann, Carl J. Hansen
| Full text HTML  | PDF  
Taking hardwood cuttings in the fall—while the buds were in the rest period—treating them with indolebutyric acid, followed by immediate planting or holding at 60°F-65°F for several weeks before planting gave good rooting of several difficult-to-root tree fruit rootstocks.
Taking hardwood cuttings in the fall—while the buds were in the rest period—treating them with indolebutyric acid, followed by immediate planting or holding at 60°F-65°F for several weeks before planting gave good rooting of several difficult-to-root tree fruit rootstocks.
Drill seeding of forage ranges: Heavy duty drill permits good placement of desirable grass and legume seeds for establishment of pasture on range land
by J. E. Street, B. L. Kay, C. F. Walker
| Full text HTML  | PDF  
Tremendous increases in quantity and quality of forage production on many acres of California's rangeland could be achieved by establishing and growing selected varieties of grasses and legumes.
Tremendous increases in quantity and quality of forage production on many acres of California's rangeland could be achieved by establishing and growing selected varieties of grasses and legumes.
Weeds controlled with cyanamid: New method for treating winter leafy vegetable crops with calcium cyanamid controlled weeds at moderate cost in tests
by Garland E. May, William A. Harvey
| Full text HTML  | PDF  
Control of annual weeds—79% in 1957 and 81% in 1956—was achieved in winter crops of spinach and mustard greens by a new method of incorporating calcium cyanamid into the soil.
Control of annual weeds—79% in 1957 and 81% in 1956—was achieved in winter crops of spinach and mustard greens by a new method of incorporating calcium cyanamid into the soil.
New selective herbicide tested: CDEC applied in pre-emergence treatment of seeded lettuce shows promise for selective weed control without crop injury
by C. D. McCarty, D. C. Purnell, M. J. Garber
| Full text HTML  | PDF  
Precision cultivation and hand hoeing—the methods now used for weed control in lettuce production—become difficult where weed growth is thick and rapid. The lettuce may be overgrown to the point where cultivation is difficult and the lettuce suffers heavily from weed competition.
Precision cultivation and hand hoeing—the methods now used for weed control in lettuce production—become difficult where weed growth is thick and rapid. The lettuce may be overgrown to the point where cultivation is difficult and the lettuce suffers heavily from weed competition.
Nitrification of fertilizers: Ammoniacal fertilizers used in study on the rate nitrifying bacteria function at various ammonia concentrations in soils
by F. E. Broadbent, K. B. Tyler, G. N. Hill
| Full text HTML  | PDF  
Results of experiments with three ammonium fertilizers—aqua ammonia, ammonium sulfate, and ammonium nitrate—have shown that not only the rate of nitrification but also the elapsed time required before the maximum rate is attained depends on the ammonia level in the soil.
Results of experiments with three ammonium fertilizers—aqua ammonia, ammonium sulfate, and ammonium nitrate—have shown that not only the rate of nitrification but also the elapsed time required before the maximum rate is attained depends on the ammonia level in the soil.
Deficiencies of micronutrients: Influence of phosphate fertilizers on micronutrients in avocado leaves subject of long-term study of Fuerte orchard
by C. K. Labanauskas, T. W. Embleton, W. W. Jones
| Full text HTML  | PDF  
Because the deficiency of micronutrients in avocado trees is often a problem in southern California orchards a fertilizer experiment was started to evaluate treble superphosphate—among other phosphatic fertilizers—as a source for the micronutrient content of the leaves.
Because the deficiency of micronutrients in avocado trees is often a problem in southern California orchards a fertilizer experiment was started to evaluate treble superphosphate—among other phosphatic fertilizers—as a source for the micronutrient content of the leaves.
Septoria leaf scorch of azalea: Disease especially severe in cloudy, damp weather controlled by spray treatment in tests on experimental plot in Eureka
by Robert D. Raabe, John V. Lenz
| Full text HTML  | PDF  
The fungus—Septoria azaleae—attacks only the leaves of azaleas and causes a disease that appears as irregular, angular, brown lesions.
The fungus—Septoria azaleae—attacks only the leaves of azaleas and causes a disease that appears as irregular, angular, brown lesions.
Lemon fruit quality studied: Comparative tests made of several new strains frequently used to avoid some diseases prevalent in old line Eurekas
by G. E. Goodall, W. P. Bitters
| Full text HTML  | PDF  
To avoid the lemon tree diseases of Dry Bark and Lemon Tree Collapse—so prevalent in the old line Eureka strains—new strains have come into use in Santa Barbara County within the past 10 years.
To avoid the lemon tree diseases of Dry Bark and Lemon Tree Collapse—so prevalent in the old line Eureka strains—new strains have come into use in Santa Barbara County within the past 10 years.
Four new asparagus varieties: Now in third season of trial in experimental and commercial plantings, new varieties show promise but more testing needed
by G. C. Hanna
| Full text HTML  | PDF  
Although not officially released—and won't be for several years—four new asparagus varieties now occupy between eight and ten thousand acres for further testing.
Although not officially released—and won't be for several years—four new asparagus varieties now occupy between eight and ten thousand acres for further testing.
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California Agriculture, Vol. 12, No.10

Heavy duty drill for seed placement on ranges
October 1958
Volume 12, Number 10

Research articles

Mechanical fruit tree shaking: Effect of frequency and stroke on fruit removal and power requirements analyzed in study of reciprocating type shaker
by P. A. Adrian, R. B. Fridley
| Full text HTML  | PDF  
Boom type shakers—used for the mechanical removal of fruit from trees—may cause less strain on the roots and consequently less damage than the cable type shakers according to observations made in an extensive analysis of the basic engineering principles involved in tree shaking.
Boom type shakers—used for the mechanical removal of fruit from trees—may cause less strain on the roots and consequently less damage than the cable type shakers according to observations made in an extensive analysis of the basic engineering principles involved in tree shaking.
Rooting pear, plum rootstocks: Growth-regulator treatments and a warm preplanting storage period promoted rooting of fall-collected hardwood cuttings
by Hudson T. Hartmann, Carl J. Hansen
| Full text HTML  | PDF  
Taking hardwood cuttings in the fall—while the buds were in the rest period—treating them with indolebutyric acid, followed by immediate planting or holding at 60°F-65°F for several weeks before planting gave good rooting of several difficult-to-root tree fruit rootstocks.
Taking hardwood cuttings in the fall—while the buds were in the rest period—treating them with indolebutyric acid, followed by immediate planting or holding at 60°F-65°F for several weeks before planting gave good rooting of several difficult-to-root tree fruit rootstocks.
Drill seeding of forage ranges: Heavy duty drill permits good placement of desirable grass and legume seeds for establishment of pasture on range land
by J. E. Street, B. L. Kay, C. F. Walker
| Full text HTML  | PDF  
Tremendous increases in quantity and quality of forage production on many acres of California's rangeland could be achieved by establishing and growing selected varieties of grasses and legumes.
Tremendous increases in quantity and quality of forage production on many acres of California's rangeland could be achieved by establishing and growing selected varieties of grasses and legumes.
Weeds controlled with cyanamid: New method for treating winter leafy vegetable crops with calcium cyanamid controlled weeds at moderate cost in tests
by Garland E. May, William A. Harvey
| Full text HTML  | PDF  
Control of annual weeds—79% in 1957 and 81% in 1956—was achieved in winter crops of spinach and mustard greens by a new method of incorporating calcium cyanamid into the soil.
Control of annual weeds—79% in 1957 and 81% in 1956—was achieved in winter crops of spinach and mustard greens by a new method of incorporating calcium cyanamid into the soil.
New selective herbicide tested: CDEC applied in pre-emergence treatment of seeded lettuce shows promise for selective weed control without crop injury
by C. D. McCarty, D. C. Purnell, M. J. Garber
| Full text HTML  | PDF  
Precision cultivation and hand hoeing—the methods now used for weed control in lettuce production—become difficult where weed growth is thick and rapid. The lettuce may be overgrown to the point where cultivation is difficult and the lettuce suffers heavily from weed competition.
Precision cultivation and hand hoeing—the methods now used for weed control in lettuce production—become difficult where weed growth is thick and rapid. The lettuce may be overgrown to the point where cultivation is difficult and the lettuce suffers heavily from weed competition.
Nitrification of fertilizers: Ammoniacal fertilizers used in study on the rate nitrifying bacteria function at various ammonia concentrations in soils
by F. E. Broadbent, K. B. Tyler, G. N. Hill
| Full text HTML  | PDF  
Results of experiments with three ammonium fertilizers—aqua ammonia, ammonium sulfate, and ammonium nitrate—have shown that not only the rate of nitrification but also the elapsed time required before the maximum rate is attained depends on the ammonia level in the soil.
Results of experiments with three ammonium fertilizers—aqua ammonia, ammonium sulfate, and ammonium nitrate—have shown that not only the rate of nitrification but also the elapsed time required before the maximum rate is attained depends on the ammonia level in the soil.
Deficiencies of micronutrients: Influence of phosphate fertilizers on micronutrients in avocado leaves subject of long-term study of Fuerte orchard
by C. K. Labanauskas, T. W. Embleton, W. W. Jones
| Full text HTML  | PDF  
Because the deficiency of micronutrients in avocado trees is often a problem in southern California orchards a fertilizer experiment was started to evaluate treble superphosphate—among other phosphatic fertilizers—as a source for the micronutrient content of the leaves.
Because the deficiency of micronutrients in avocado trees is often a problem in southern California orchards a fertilizer experiment was started to evaluate treble superphosphate—among other phosphatic fertilizers—as a source for the micronutrient content of the leaves.
Septoria leaf scorch of azalea: Disease especially severe in cloudy, damp weather controlled by spray treatment in tests on experimental plot in Eureka
by Robert D. Raabe, John V. Lenz
| Full text HTML  | PDF  
The fungus—Septoria azaleae—attacks only the leaves of azaleas and causes a disease that appears as irregular, angular, brown lesions.
The fungus—Septoria azaleae—attacks only the leaves of azaleas and causes a disease that appears as irregular, angular, brown lesions.
Lemon fruit quality studied: Comparative tests made of several new strains frequently used to avoid some diseases prevalent in old line Eurekas
by G. E. Goodall, W. P. Bitters
| Full text HTML  | PDF  
To avoid the lemon tree diseases of Dry Bark and Lemon Tree Collapse—so prevalent in the old line Eureka strains—new strains have come into use in Santa Barbara County within the past 10 years.
To avoid the lemon tree diseases of Dry Bark and Lemon Tree Collapse—so prevalent in the old line Eureka strains—new strains have come into use in Santa Barbara County within the past 10 years.
Four new asparagus varieties: Now in third season of trial in experimental and commercial plantings, new varieties show promise but more testing needed
by G. C. Hanna
| Full text HTML  | PDF  
Although not officially released—and won't be for several years—four new asparagus varieties now occupy between eight and ten thousand acres for further testing.
Although not officially released—and won't be for several years—four new asparagus varieties now occupy between eight and ten thousand acres for further testing.

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