Abstract
The quantity of dust deposited in the surroundings of an electric power station was measured to get an impression of the fly ash contamination in the air in connection with the dust deposit on apples. In the neighborhood of a cement factory the quantity of dust collected in specially constructed dust-collecting apparatuses was investigated microscopically. The crops cauliflower and apples were examined for the degree of dust contamination, the apples also for their keeping quality during storage. Flowers of cyclamen were damaged by HF-concentrations lower than 100 ppb occurring for 6 hrs. The injury developed very gradually and spread from the leaf tip margin inwards. By means of HF-meters and trial plots with the gladiolus variety. Snow-princess it has been shown, that the very gradually increasing leaf tip injury in gladiolus fields in some places in The Netherlands was caused by frequent occurrence of traces of HF in the air. In pot experiments carried out with lettuce, lime manuring was applied to improve the soil which had been poisoned by zinc fumes from a factory. If tulips were fumigated with HF in a concentration of less than 10 ppb for 6 hrs, the variety Blue Parrot (highly sensitive) contained about
More>>
Citation Formats
Spierings, F H.F.G., and Van Raay, A.
Influence of air pollution on cultivated plants.
Netherlands: N. p.,
1963.
Web.
Spierings, F H.F.G., & Van Raay, A.
Influence of air pollution on cultivated plants.
Netherlands.
Spierings, F H.F.G., and Van Raay, A.
1963.
"Influence of air pollution on cultivated plants."
Netherlands.
@misc{etde_6214210,
title = {Influence of air pollution on cultivated plants}
author = {Spierings, F H.F.G., and Van Raay, A}
abstractNote = {The quantity of dust deposited in the surroundings of an electric power station was measured to get an impression of the fly ash contamination in the air in connection with the dust deposit on apples. In the neighborhood of a cement factory the quantity of dust collected in specially constructed dust-collecting apparatuses was investigated microscopically. The crops cauliflower and apples were examined for the degree of dust contamination, the apples also for their keeping quality during storage. Flowers of cyclamen were damaged by HF-concentrations lower than 100 ppb occurring for 6 hrs. The injury developed very gradually and spread from the leaf tip margin inwards. By means of HF-meters and trial plots with the gladiolus variety. Snow-princess it has been shown, that the very gradually increasing leaf tip injury in gladiolus fields in some places in The Netherlands was caused by frequent occurrence of traces of HF in the air. In pot experiments carried out with lettuce, lime manuring was applied to improve the soil which had been poisoned by zinc fumes from a factory. If tulips were fumigated with HF in a concentration of less than 10 ppb for 6 hrs, the variety Blue Parrot (highly sensitive) contained about five times less fluor in the 2.5 cm leaf tips than the variety Preludium (low sensitivity) which showed a considerably lower degree of leaf tip injury.}
journal = []
volume = {1962}
journal type = {AC}
place = {Netherlands}
year = {1963}
month = {Jan}
}
title = {Influence of air pollution on cultivated plants}
author = {Spierings, F H.F.G., and Van Raay, A}
abstractNote = {The quantity of dust deposited in the surroundings of an electric power station was measured to get an impression of the fly ash contamination in the air in connection with the dust deposit on apples. In the neighborhood of a cement factory the quantity of dust collected in specially constructed dust-collecting apparatuses was investigated microscopically. The crops cauliflower and apples were examined for the degree of dust contamination, the apples also for their keeping quality during storage. Flowers of cyclamen were damaged by HF-concentrations lower than 100 ppb occurring for 6 hrs. The injury developed very gradually and spread from the leaf tip margin inwards. By means of HF-meters and trial plots with the gladiolus variety. Snow-princess it has been shown, that the very gradually increasing leaf tip injury in gladiolus fields in some places in The Netherlands was caused by frequent occurrence of traces of HF in the air. In pot experiments carried out with lettuce, lime manuring was applied to improve the soil which had been poisoned by zinc fumes from a factory. If tulips were fumigated with HF in a concentration of less than 10 ppb for 6 hrs, the variety Blue Parrot (highly sensitive) contained about five times less fluor in the 2.5 cm leaf tips than the variety Preludium (low sensitivity) which showed a considerably lower degree of leaf tip injury.}
journal = []
volume = {1962}
journal type = {AC}
place = {Netherlands}
year = {1963}
month = {Jan}
}