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The objective of this study has been to determine vitamin C content in tubers of edible potato following an application of systemic insecticides to control the Colorado potato beetle. A field experiment was conducted on soil of a good rye complex in 2004-06. The experiment was designed as randomized sub-blocks with three replications. Experimental factors included three cultivars of potato Wiking,...
A three-year field experiment was conducted in 2002-04 to evaluate the effects of soil tillage and weed control methods (including herbicides and their mixtures) on the content of polyphenols in edible potato tubers, cv. Wiking. The results obtained indicated that the content of polyphenols in non-peeled and peeled tubers depend on the methods of soil tillage and weeding, as well as on the years of...
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