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黑荆树营养元素与单宁量的研究 被引量:1

Study on the Nutrient Elements and Tannic Quantum of Black Wattle
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摘要 本文对广西武鸣县黑荆树营养元素的组成特征以及营养元素与单宁相对含量、总量的关系进行了研究。结果表明:黑荆树强烈积聚微量元素Cu和Zn,N含量达到高量级水平,在化学组成上属于N>Ca>K(Zn,Cu)型树种。树皮单宁含量受N,P,Mg三元素的综合作用极为显著,而单宁总量受K,Mg元素的综合作用极显著。在黑荆树成熟期,P,K对树皮单宁含量和总量有显著的促进作用,而N和Mg则发生抑制作用。 In this paper, component characteristics of the nutrient elements of black wattle in Guangxi Wunming and their relation to the tannic content and quantum were studied.The results showed that black wattle accumulated microelements Cu and Zn intensively. The content of N in the leaves was near high level. It belongs to the type of N>Ca>K (Zn,Cu) in the chemical composition. It was very notable that tannic content of the bark was affected by N, P and Mg comprehensively. It was very notable that tannic quantum was comprehensively affected by K and Mg. P and K had the significant promoting function on tannic content and quantum in black wattle mature period, but N and Mg occurred restraining action.
作者 黎跃
出处 《广西农业大学学报》 CSCD 1995年第4期305-309,共5页
关键词 黑荆树 营养元素 单宁 广西 black wattle nutrient element tannin Guangxi
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