The influence of source and rate of potassium fertilizer on the quality of potatoes for french fry production |
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| Authors: | Richard Stanley Simon Jewell |
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| Institution: | (1) Campden Food and Drink Research Association, GL55 6LD Chipping Campden, Glos, UK;(2) Arthur Rickwood Experimental Husbandry Farm, Ministry of Agriculture Fisheries and Food, Mepal, CB6 2BA Ely, Cambridgeshire, UK |
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| Abstract: | Summary Trials were carried out in 1984, 1985 and 1986, on a sandy loam soil with an average content of 133 mg/l available potassium
in which the effect of source (KCl, K2SO4) and rate (0, 300, 600, 900 kg K2O/ha) of potassium fertilizer on yield, tuber size, dry matter, reducing sugar, fry test colour and finish fried quality was
examined for two cultivars (Pentland Dell, Maris Piper).
The results indicate a strong influence of cultivar on all measured characters, the rate of potassium fertilizer also gave
significant changes in quality and yield and there were significant year effects. The effect of source of potassium was not
significant. |
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| Keywords: | sensory dry matter yield french fry reducing sugar |
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