Application of seed-row potash to spring wheat grown on soils with high available potassium levels

Karamanos, R., Flore, N. A. and Harapiak, J. T. 2013. Application of seed-row potash to spring wheat grown on soils with high available potassium levels. Can. J. Plant Sci. 93: 271–277. Two experiments were conducted at numerous locations across western Canada from 1990 to 1994 to ascertain the resp...

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Published in:Canadian journal of plant science 2013-03, Vol.93 (2), p.271-277
Main Authors: Karamanos, Rigas, Flore, Norm A., Harapiak, John T.
Format: Article
Language:English
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Summary:Karamanos, R., Flore, N. A. and Harapiak, J. T. 2013. Application of seed-row potash to spring wheat grown on soils with high available potassium levels. Can. J. Plant Sci. 93: 271–277. Two experiments were conducted at numerous locations across western Canada from 1990 to 1994 to ascertain the response of hard red spring (CWRS) wheat (Triticum aestivum L.) to seed-row applied K fertilizers. Soil test K levels at all sites (location×year combinations) exceeded the critical level for western Canada of 125 mg NH 4 OAc-extractable K kg −1 , the concentration below which the probability of a K deficiency is high. In the first experiment, days to maturity and yield for wheat were statistically similar whether or not KCl was applied in the seed row. When the cultivar Roblin was grown significant (P
ISSN:0008-4220
1918-1833
DOI:10.4141/cjps2012-148