引种针叶树种矿质元素浓度及季节变化的比较研究

林业科学 ›› 1998, Vol. 34 ›› Issue (5): 21-28.

引种针叶树种矿质元素浓度及季节变化的比较研究

林睦就¹,薛萍¹,张云跃²,谢旭东²,王轶民²

1. 湖南省林业科技推广总站长沙 410007
2. 湖南省安化县林业局安化 413500

收稿日期:1996-11-29 出版日期:1998-09-25 发布日期:1998-09-25

A COMPARISON STUDY ON NUTRIENT CONCENTRATIONS AND SEASONAL DYNAMICS IN NEEDLES OF 15 INTRODUCED CONIFERS

Mujiu Lin¹,ping Xue¹,Yunyue Zhang²,Xudong Xie²,Yimin Wang²

1. Forest Technical Expand Station, Hunan Province Changsha 410007
2. Anhua Forestry Bureau Hunan Province Anhua 413500

Received:1996-11-29 Online:1998-09-25 Published:1998-09-25

摘要/Abstract

摘要：

以8~10年生的引种试验林为取材对象,分别在1992年4月30日、7月30日、10月30日及1993年1月30日,同时采15个树种当年和1年生针叶,测定N、P、K、Ca和Mg浓度。结果表明,矿质元素浓度种间存在极显著差异。各元素浓度高低总趋势为N>K>Ca>P>Mg。松属中单维管束亚属和双维管束亚属分别表现为富N、Mg和K、P两种元素含量型。树种间Mg元素季节动态存在显著多样性, N、P、K、Ca动态模式松类树种具有极大的相似性。

关键词: 针叶树种, 矿质元素, 季节变化

Abstract:

This paper deals with the results of a comparison study on mineral element (N、P、K、Ca and Mg) concentrations and their seasonal dynamics in needles collected from 15 introduced conifers. During a year at spring(30, April), summer (30, July), autumn (30, October) and winter (30, January), the current-year and one-year-old needles were collected from ten trees of each species. The needles from all ten trees were bulked into two composite samples according their foliar age for chemical determination. The results show that, there are significant differences in foliar nutrient concentration among 15 woody species planted at same site. The element concentration for all 15 species was following:N>K>Ca>P>Mg. The P, K, and Ca seasonal dynamic patterns in foliar concentration showed extremely similar for all species but the N and Mg exhibited higher differentiation among species. The results also indicated that the element concentrations and seasonal dynamics of each element had remarkable differences between two subgenus in Pinus.

Key words: Conifer, Mineral element, Seasonal dynamics

林睦就,薛萍,张云跃,谢旭东,王轶民. 引种针叶树种矿质元素浓度及季节变化的比较研究[J]. 林业科学, 1998, 34(5): 21-28.

Mujiu Lin,ping Xue,Yunyue Zhang,Xudong Xie,Yimin Wang. A COMPARISON STUDY ON NUTRIENT CONCENTRATIONS AND SEASONAL DYNAMICS IN NEEDLES OF 15 INTRODUCED CONIFERS[J]. Scientia Silvae Sinicae, 1998, 34(5): 21-28.

图/表 7

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图6

参考文献 8

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2	Wells C G , Metz L J . Variation in nutrient content of loblloly pine needles with season, age, soil and position on tree crown. Soil Soc, Am. Proc., 1963. 27, 90- 93. doi: 10.2136/sssaj1963.03615995002700010031x
3	Hockman J N, Burger J A.et al. Spatial and temporal variability of foliar nutrient levels in Fraser fir christmas trees. For.Sci.1989, 35(2): 632~639
4	Helmisaari H . Temporal variation in nutrient concentrations of pinus sylvestris needles. Scand. J. For.Res., 1990. 5 (1): 177- 193.
5	张云跃, 等. 华山松针叶中矿质元素含量的地理变异. 林业科学, 1996. 32 (3): 206- 211.
6	Rathon A A , Johnson J E , et al. Temporal variation in folliar nutrient concentrations of pitch pine, Loblloly pine and the pitchxloblloly hybrid, For, Ecol. and Manat, 1993. 58 (112): 137- 151.
7	Bockheim J G , Leide J E . Foliar nutrient dynamics and nutrientuse effeciency of oak and pine on a low fertility soil in Wisconsin. Can. J. For. Res., 1991. 21 (6): 425- 934.
8	Munson A D , Margolis H A , et al. Seasonal nutrient dynamics in white pine and white spruse inresponse to environment manipulation. Tree Physio., 1995. 15 (3): 141- 149. doi: 10.1093/treephys/15.3.141

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