Airborne sea salt: a quantitative study of some of its effects on plants
Thesis/Dissertation
·
OSTI ID:6499347
A study was undertaken to establish a quantitative relationship between airborne sea salt and some of its effects on plants. Air concentrations and sedimentation rates of sea salt under sea breeze conditions were determined. Air concentrations ranged from 291 ..mu..g/m/sup 3/ at the edge of the surf to 12 ..mu..g/m/sup 3/ at 600 meters inland. Sedimentation rates ranged from 36 ..mu..g/m/sup 2//sec. at the edge of the surf to 1.7 ..mu..g/m/sup 2//sec. at 600 meters inland. A rapid decrease in both air concentrations and sedimentation rates of sea salt within the first 200 meters from the surf was observed. A reproducible method for the simulation of ambient sea salt sedimentation was developed. Using this method, a number of experiments on the effect of airborne sea salt on plants was performed. The critical level for chloride toxicity in bean plants was found to be 2.6% of the dry weight. Calcium sprays or anti-transpirants had no effect in preventing airborne salt injury or uptake. Airborne sea salt treatments similar to levels measured in the field alleviated magnesium deficiency symptoms and increased the fruiting responses of beans grown under calcium, potassium and magnesium deficiency conditions.
- OSTI ID:
- 6499347
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560303* -- Chemicals Metabolism & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ALKALI METAL COMPOUNDS
ALKALI METALS
ALKALINE EARTH METALS
BIOLOGICAL EFFECTS
CALCIUM
CHLORIDES
CHLORINE COMPOUNDS
ECOLOGICAL CONCENTRATION
ELEMENTS
HALIDES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
INJURIES
LEGUMINOSAE
MAGNESIUM
METALS
NUTRITIONAL DEFICIENCY
OXYGEN COMPOUNDS
PARTICLES
PARTICULATES
PHASEOLUS
PLANTS
POTASSIUM
RESPONSE MODIFYING FACTORS
SEAWATER
SIMULATION
SODIUM CHLORIDES
SODIUM COMPOUNDS
TOXICITY
WATER
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560303* -- Chemicals Metabolism & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ALKALI METAL COMPOUNDS
ALKALI METALS
ALKALINE EARTH METALS
BIOLOGICAL EFFECTS
CALCIUM
CHLORIDES
CHLORINE COMPOUNDS
ECOLOGICAL CONCENTRATION
ELEMENTS
HALIDES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
INJURIES
LEGUMINOSAE
MAGNESIUM
METALS
NUTRITIONAL DEFICIENCY
OXYGEN COMPOUNDS
PARTICLES
PARTICULATES
PHASEOLUS
PLANTS
POTASSIUM
RESPONSE MODIFYING FACTORS
SEAWATER
SIMULATION
SODIUM CHLORIDES
SODIUM COMPOUNDS
TOXICITY
WATER