Efficiency of nitrogen uptake by potatoes

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 1983 English Publisher:Springer Science and Business Media LLCJournal:American Potato Journal, volume 60, pages 261-269 (issn: 0003-0589, eissn: 1874-9380,

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Authors: K. B. Tyler; F. E. Broadbent; J. C. Bishop;

doi: 10.1007/bf02854276

Efficiency of nitrogen uptake by potatoes

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Abstract

White Rose potatoes were fertilized with isotopically labeled ammonium sulfate at rates of 67, 134, 202 and 270 kg N/ha to evaluate N uptake efficiency. All N application increased yields above the control, however the 3 higher N rates produced the same yields statistically. All N rates which maximized yields maintained petiole levels of total N above 600 ppm.

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University of California, Davis
United States

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