René Gislum

Optimum distribution between autumn-applied and spring-applied nitrogen in seed production of tall fescue (Festuca arundinacea Schreb.)

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The effect of different autumn and spring nitrogen (N) application rates on plant establishment, plant development, and seed yield were tested in a field experiment using tall fescue (Festuca arundinacea Schreb.). Results clearly showed that the optimum distribution of N between autumn and spring to achieve the highest seed yield and economical benefit was dependent on the choice of cover crops and location. The economically optimum N application rate was in the range from 44 to 73 kg ha−1 in autumn and 94 to 157 kg ha−1 in spring. The results are discussed in relation to Danish N regulations and plant establishment and development.

Original languageEnglish
JournalJournal of Plant Nutrition
Volume35
Issue9
Pages (from-to)1394-1410
Number of pages18
ISSN0190-4167
DOIs
Publication statusPublished - 2012

    Research areas

  • Festuca arundinacea Schreb , nitrogen, seed yield, optimum nitrogen application rate, economical optimum nitrogen application rate

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