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Birte Boelt

Nitrogen application in amenity-types of Lolium perenne L. grown for seed production

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Standard

Nitrogen application in amenity-types of Lolium perenne L. grown for seed production. / Deleuran, Lise Christina; Boelt, Birte.

In: Journal of Applied Seed Production, Vol. 16, 1998, p. 71-75.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Harvard

Deleuran, LC & Boelt, B 1998, 'Nitrogen application in amenity-types of Lolium perenne L. grown for seed production', Journal of Applied Seed Production, vol. 16, pp. 71-75.

APA

Deleuran, L. C., & Boelt, B. (1998). Nitrogen application in amenity-types of Lolium perenne L. grown for seed production. Journal of Applied Seed Production, 16, 71-75.

CBE

Deleuran LC, Boelt B. 1998. Nitrogen application in amenity-types of Lolium perenne L. grown for seed production. Journal of Applied Seed Production. 16:71-75.

MLA

Deleuran, Lise Christina and Birte Boelt. "Nitrogen application in amenity-types of Lolium perenne L. grown for seed production". Journal of Applied Seed Production. 1998, 16. 71-75.

Vancouver

Deleuran LC, Boelt B. Nitrogen application in amenity-types of Lolium perenne L. grown for seed production. Journal of Applied Seed Production. 1998;16:71-75.

Author

Deleuran, Lise Christina ; Boelt, Birte. / Nitrogen application in amenity-types of Lolium perenne L. grown for seed production. In: Journal of Applied Seed Production. 1998 ; Vol. 16. pp. 71-75.

Bibtex

@article{34bed76005c511dbaa3e000ea68e967b,
title = "Nitrogen application in amenity-types of Lolium perenne L. grown for seed production",
abstract = "Three amenity-type perennial ryegrass (Lolium perenne) cultivars Elka, Taya and Pippin were undersown in 1991-93 in spring barley at Roskilde and Rnhave, Denmark, and given 0, 30 or 60 kg N ha-1 in autumn combined with 70, 100 or 130 kg N ha-1 in spring. Seed yield did not differ among cultivars or locations but was significantly increased by autumn N, spring N and their interaction. The application of 30 or 60 kg N ha-1 in autumn increased seed yield, but this increase was lower than that for a single spring application, provided that the N applied in spring was 100 kg ha-1 or greater. Shoot N content varied considerably among years but not cultivars. Correlation analysis of N content, yield components and seed yield revealed that autumn N application resulted in an increasing N content in shoots, fertile tiller number and seed weight. However, these two components were negatively correlated, and total seed yield was therefore not affected. The one exception was in 1991 when at one location dry matter production in autumn was low, and autumn N application resulted in increased N content, fertile tiller number and seed yield",
author = "Deleuran, {Lise Christina} and Birte Boelt",
year = "1998",
language = "English",
volume = "16",
pages = "71--75",
journal = "Journal of Applied Seed Production",
issn = "8755-8750",
publisher = "Oregon Seed Growers League",

}

RIS

TY - JOUR

T1 - Nitrogen application in amenity-types of Lolium perenne L. grown for seed production

AU - Deleuran, Lise Christina

AU - Boelt, Birte

PY - 1998

Y1 - 1998

N2 - Three amenity-type perennial ryegrass (Lolium perenne) cultivars Elka, Taya and Pippin were undersown in 1991-93 in spring barley at Roskilde and Rnhave, Denmark, and given 0, 30 or 60 kg N ha-1 in autumn combined with 70, 100 or 130 kg N ha-1 in spring. Seed yield did not differ among cultivars or locations but was significantly increased by autumn N, spring N and their interaction. The application of 30 or 60 kg N ha-1 in autumn increased seed yield, but this increase was lower than that for a single spring application, provided that the N applied in spring was 100 kg ha-1 or greater. Shoot N content varied considerably among years but not cultivars. Correlation analysis of N content, yield components and seed yield revealed that autumn N application resulted in an increasing N content in shoots, fertile tiller number and seed weight. However, these two components were negatively correlated, and total seed yield was therefore not affected. The one exception was in 1991 when at one location dry matter production in autumn was low, and autumn N application resulted in increased N content, fertile tiller number and seed yield

AB - Three amenity-type perennial ryegrass (Lolium perenne) cultivars Elka, Taya and Pippin were undersown in 1991-93 in spring barley at Roskilde and Rnhave, Denmark, and given 0, 30 or 60 kg N ha-1 in autumn combined with 70, 100 or 130 kg N ha-1 in spring. Seed yield did not differ among cultivars or locations but was significantly increased by autumn N, spring N and their interaction. The application of 30 or 60 kg N ha-1 in autumn increased seed yield, but this increase was lower than that for a single spring application, provided that the N applied in spring was 100 kg ha-1 or greater. Shoot N content varied considerably among years but not cultivars. Correlation analysis of N content, yield components and seed yield revealed that autumn N application resulted in an increasing N content in shoots, fertile tiller number and seed weight. However, these two components were negatively correlated, and total seed yield was therefore not affected. The one exception was in 1991 when at one location dry matter production in autumn was low, and autumn N application resulted in increased N content, fertile tiller number and seed yield

M3 - Journal article

VL - 16

SP - 71

EP - 75

JO - Journal of Applied Seed Production

JF - Journal of Applied Seed Production

SN - 8755-8750

ER -