Effects of Nitrogen fertilization on foliar nutrient dynamics in Ginkgo seedlings

Research output: Contribution to journalArticle

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Abstract

A fertilization experiment was established in three-year-old ginkgo (Ginkgo biloba L.) seedlings in central Korea. Four levels of nitrogen (N) in the form of ammonium sulfate were applied. Foliar nutrient concentrations were similar to those reported for angiosperms. Application of N fertilizer increased foliar N, potassium (K), calcium (Ca), and magnesium (Mg) concentrations. Foliar N, phosphorus (P), and K concentrations decreased through foliage senescence whereas Ca and Mg concentrations increased. During autumn 25-45% of N, 30-75% of P, and 28-55% of K from foliage were retranslocated, respectively. Nitrogen and K retranslocation decreased after fertilization while P retranslocation increased. Senescent foliar Ca and Mg concentrations increased by 205-526% and 93-160%, respectively, and the ratio increased after fertilization. However, there were no consistent patterns in foliar nutrient retranslocation with the levels of N fertilization. Ginkgo seedlings showed high foliar nutrient concentrations and relatively low nutrient retranslocation compared to other gymnosperms.

Original languageEnglish
Pages (from-to)93-102
Number of pages10
JournalJournal of Plant Nutrition
Volume25
Issue number1
DOIs
Publication statusPublished - 2002 Feb 26

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Ginkgo
Ginkgo biloba
Seedlings
Fertilization
magnesium
Nitrogen
Magnesium
calcium
Food
seedlings
nutrients
nitrogen
nutrient content
Calcium
Gymnosperms
Angiosperms
ammonium sulfate
Korean Peninsula
leaves
Angiospermae

ASJC Scopus subject areas

  • Plant Science

Cite this

Effects of Nitrogen fertilization on foliar nutrient dynamics in Ginkgo seedlings. / Son, Yo Whan.

In: Journal of Plant Nutrition, Vol. 25, No. 1, 26.02.2002, p. 93-102.

Research output: Contribution to journalArticle

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