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Effects of aerial pollutants on the growth and yield of spring barley

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<mark>Journal publication date</mark>1/01/1982
<mark>Journal</mark>Annals of Applied Biology
Issue number1
Volume100
Number of pages9
Pages (from-to)179-187
Publication StatusPublished
<mark>Original language</mark>English

Abstract

Open-topped chambers were used to determine the effect of field concentrations of aerial pollutants on the growth and yield of spring barley. Experiments were conducted in the Marston Valley. Bedfordshire, where sulphur dioxide and fluoride are the major pollutants. The charcoal filtered chambers enabled pollutant concentrations to be reduced by 60-70%. Cleaning the air increased straw and grain yields. The filtration was non-selective and did not identify the injurious agent. The chambers were found to accelerate the crop's development by 7-8 days and reduce yield by suppressing tillering.