云南农业大学学报2011，Vol.26Issue(5)：683-688,6.DOI:10.3969/j.issn.1004-390X(n).2011.05.019
不同水肥管理对川滇桤木萌条生长及热值的影响
Effects on Growth and Heat Value of Alnus ferdinandi-coburgii in Different Water and Fertilizer Managements
摘要
Abstract
Alnus ferdinandi-coburgii is a kind of important energy species spread in the central part of Yunnan province, characterized by short seeding period, fast growing, strong spouting and big bio-mass. To determine management measure in sprout forest of Alnus ferdinandi-coburgii, in this study, three different water and fertilizer managements were treated. Variations of germination, growth, bio-mass and heat value in the sprout as well as the diversity of physiological characteristics were examined. The results show that the effect of different managements on growth of stumps sprouting is significant. Water and fertilization management was the best, in which total biomass was the highest and it had significant promotion on sprouting number, length and basal diameter and heat value. This management improved sprouting growth mainly by enhancing the sprouting of the photosynthetic rate. The order of biomass allocation between different organs of Alnus ferdinandi-coburgii was branch > leaf and the distribution of heat value between different organs was leaf > branch. The order of mineral elements accumulation in the sprouting leaves of Alnus ferdinandi-coburgii was K > Ca > Mg > N > P.关键词
川滇桤木/水肥管理/生物量/热值/营养元素Key words
Alnus ferdinandi-coburgii/ water and fertilizer management/ biomass/ heat value/ mineral elements分类
农业科技引用本文复制引用
谷凌云,和亚君,李福秀..不同水肥管理对川滇桤木萌条生长及热值的影响[J].云南农业大学学报,2011,26(5):683-688,6.基金项目
国家科技支撑计划子专题(2006BAD18B103) （2006BAD18B103）
国家林业局西南地区生物多样性保育重点实验室资助. （）
