[1]高志勤.不同毛竹纯林枯落物养分含量和贮量的比较[J].南京林业大学学报(自然科学版),2006,30(03):051-55.[doi:10.3969/j.jssn.1000-2006.2006.03.010]
 GAO Zhi-qin.Comparison on Dry Weight and Nutrient Storage of Litter in Pure Phyllostachys edulis Stands[J].Journal of Nanjing Forestry University(Natural Science Edition),2006,30(03):051-55.[doi:10.3969/j.jssn.1000-2006.2006.03.010]
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不同毛竹纯林枯落物养分含量和贮量的比较
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
30
期数:
2006年03期
页码:
051-55
栏目:
研究论文
出版日期:
2006-03-20

文章信息/Info

Title:
Comparison on Dry Weight and Nutrient Storage of Litter in Pure Phyllostachys edulis Stands
文章编号:
1000-2006(2006)03-0051-05
作者:
高志勤12
1. 中国林业科学研究院亚热带林业研究所, 浙江 富阳 311400; 2. 宁波城市职业技术学院环境学院, 浙江 奉化 315502
Author(s):
GAO Zhi-qin12
1. Research Institute of Subtropical Forestry CAF, Fuyang 311400, China; 2. Environment School of Ningbo City Professional Technology College, Fenghua 315502, China
关键词:
毛竹林 垦复 枯落物 养分 潜在肥力
Keywords:
Phyllostachys edulis stands Reclamation Litter Nutrient Potential fertility
分类号:
S718; $795
DOI:
10.3969/j.jssn.1000-2006.2006.03.010
文献标志码:
A
摘要:
<正>在分析几种削度方程的基础上建立了改进的四参数Sohumacher方程作为杨树削度方程,并编制了江苏杨树二元材种出材率表。经对不同立地条件下的杨树林分出材量的估计实验,表明该方程适合江苏省杨树生长,为进一步编制全省杨树二元材种出材率表提供了理论与实验方法。结合计算机理论造材方法,模拟林木生长规律,提高了编制材种出材量表的效率,保证了营林设计的材种出材量精度。提出的理论与方法可用于江苏杨树的收获估计。对提高杨树的科学经营管理水平具有重要的意义。
Abstract:
This paper studied on the status of litter collected in different phases from 2002 to 2003 in December at reclamation and non reclamation pure Phyllostachys edulis stands by means of fixed monitoring in Luxi forest region, Fuyang county, Zhejiang province, P. R. C. ANOVA results showed that the dry weight of litter in reclamation Ph. edulis stands was more significantly reduced than that in non reclamation one in summer or in winter, It indicated that the average dry weight of litter in non reclamation one was 1.65~5.74 times than that of reclamation’s stands in winter. It also appeared similar variation characteristics for nutrient of litter in different Ph. edulis stands: The order of nutrient content or storage of litter in reclamation stands was as follow: c(Ca)>c(K)>c(Mg)>c(N)>c(P), it indicated that nutrient content or storage range from 0.16~3.3 g/kg and 0.20~4.50 kg/hm2, respectively. Whereas non reclamation stands was as follows:c(Ca)>c(K)>c(N)>c(Mg)>c(p), the nutrient content ranged from 0.20~5.10 g/kg while nutrient storage was from 0.70~ 29.10 kg/hm2, respectively. Not only the amount of letter covered on soil surface greatly reduced, but also nutrient storage was significantly lower after reclamation in Ph. edulis stands. Thus sufficient attention should be paid to soil management for reclamation to restrict steady improvement of potential soil fertility.

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更新日期/Last Update: 2013-05-20