Full text of this article is only available in PDF format.

Guolei Li, Yong Liu (email), Yan Zhu, Qing Mei Li, R. Karsten Dumroese

Effect of fall-applied nitrogen on growth, nitrogen storage and frost hardiness of bareroot Larix olgensis seedlings

Li G., Liu Y., Zhu Y., Li Q. M., Dumroese R. K. (2012). Effect of fall-applied nitrogen on growth, nitrogen storage and frost hardiness of bareroot Larix olgensis seedlings. Silva Fennica vol. 46 no. 3 article id 45. https://doi.org/10.14214/sf.45

Abstract

Nursery response of evergreen trees to fall fertilization has been studied widely, but little attention has been given to deciduous trees. Bareroot Olga Bay larch (Larix olgensis Henry) seedlings were fertilized in the nursery with urea at four rates (0, 30, 60, 90 kg N ha–1), with half of each rate applied on two dates (September 16 and October 1, 2009). The seedlings were excavated for evaluation on October 15. In the unfertilized (control) treatment, root and shoot dry mass increased by 100% and 57% respectively, while N concentration in the roots and shoots increased by 43% and 40% during the 30 day period. This indicated that substantial biomass growth during this period did not lead to internal nutrient dilution. Root dry mass increased when fall fertilization rates were ≥ 60 kg N ha–1. Fall fertilization increased N concentrations in root tissue by 48–73%. Compared with the control, shoot tissues of fall fertilized seedlings had slightly higher N concentration and content and significantly higher frost hardiness.

Keywords
deciduous trees; fall fertilization; frost hardiness; Olga Bay larch

Author Info
  • Li, Key Laboratory for Silviculture and Conservation, Ministry of Education, Beijing 100083, China E-mail gl@nn.cn
  • Liu, Key Laboratory for Silviculture and Conservation, Ministry of Education, Beijing 100083, China E-mail lyong@bjfu.edu.cn (email)
  • Zhu, Key Laboratory for Silviculture and Conservation, Ministry of Education, Beijing 100083, China E-mail yz@nn.cn
  • Li, Research Institute of Forestry, Chinese Academy of Forestry; Key Laboratory of Forest Silviculture of State Forestry Administration, Beijing 100091, China E-mail qml@nn.cn
  • Dumroese, US Department of Agriculture, Forest Service, Rocky Mountain Research Station, Moscow, ID, USA E-mail rkd@nn.us

Received 13 January 2012 Accepted 8 May 2012 Published 31 December 2012

Views 3565

Available at https://doi.org/10.14214/sf.45 | Download PDF

Creative Commons License CC BY-SA 4.0

Register
Click this link to register to Silva Fennica.
Log in
If you are a registered user, log in to save your selected articles for later access.
Contents alert
Sign up to receive alerts of new content

Your selected articles
Send to email
Turtiainen M., Salo K. et al. (2011) Variations of yield and utilisation of bilberrie.. Silva Fennica vol. 45 no. 2 article id 115 (remove) | Edit comment
Uotila K., Rantala J. et al. (2010) Effect of soil preparation method on economic re.. Silva Fennica vol. 44 no. 3 article id 146 (remove) | Edit comment
Lexerød N., Eid T. (2005) Recruitment models for Norway spruce, Scots pine.. Silva Fennica vol. 39 no. 3 article id 376 (remove) | Edit comment
Kuusela K., Salminen S. (1991) Forest resources of Finland in 1977–1984 and the.. Acta Forestalia Fennica vol. 0 no. 220 article id 7666 (remove) | Edit comment
Cajander A. K., (1923) What do the forest types stand for? Acta Forestalia Fennica vol. 25 no. 4 article id 7079 (remove) | Edit comment
Oinonen E., (1967) Sporal regeneration of ground pine (Lycopodium c.. Acta Forestalia Fennica vol. 83 no. 3 article id 7181 (remove) | Edit comment
Finnish Society of Forest Science ., (1972) Forestry papers issued in Finland in 1971 Silva Fennica vol. 6 no. 1 article id 4862 (remove) | Edit comment
Holopainen V., Nyyssönen A. et al. (1984) The 75th Anniversary volume of the Society of Fo.. Acta Forestalia Fennica vol. 0 no. 190 article id 7645 (remove) | Edit comment
Kellomäki S., (1984) Observations on the influence of stand density o.. Silva Fennica vol. 18 no. 2 article id 5207 (remove) | Edit comment
Your search results
Li G., Liu Y. et al. (2012) Effect of fall-applied nitrogen on growth, nitro.. Silva Fennica vol. 46 no. 3 article id 45