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| 古侧柏林土壤和植物营养元素含量与树势相关性研究 | |
| 引用本文： | 赵娟,杨军,赖娜娜,袁承江,唐硕,张志永.古侧柏林土壤和植物营养元素含量与树势相关性研究[J].中国农学通报,2013,29(13):9-13. |
| 作者姓名： | 赵娟 杨军 赖娜娜 袁承江 唐硕 张志永 |
| 作者单位： | 1. 北京林业大学森林培育与保护教育部重点实验室,北京,100083 2. 北京市园林学校,北京,102488 3. 北京市中山公园,北京,110101 |
| 基金项目： | 国家林业局引进国外先进林业技术项目“引进InVEST系统”(2011473)；国家林业局公益行业科研专项“城市森林健康功能监测与评价”(201104035)。 |
| 摘 要： | 以北京市中山公园古侧柏为试验对象，对其生长地土壤和植物体内营养元素含量进行取样测定，分析了元素含量与树势的相关性。结果表明：不同长势古侧柏的树木其周边土壤的pH、水分含量、N、P、K、Ca和Mg的含量没有显著差异；古侧柏根系中除了休眠期的K含量在不同长势的古侧柏群体的差异达到显著外，其余大量营养元素含量没有显著差异；不同年龄的古侧柏叶片中Ca含量在生长期差异显著，其他大量元素和叶绿素及可溶性总糖的含量在生长期和休眠期差异均不显著。研究结果表明：使用古树的植物营养水平来表征古树的健康状况在目前有一定困难，古树的健康判断仍将长期依赖目视判断法。 |
| 关 键 词： | NF-&kappa NF-&kappa B |
| 收稿时间： | 2013/1/18 0:00:00 |
| 修稿时间： | 2/8/2013 12:00:00 AM |
Relationship Between Vigor of Trees and Concentrations of Nutrients in Soils and Plant Tissues of a Veteran Platycladus orientalis Tree Stand |
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| Zhao Juan , Yang Jun , Lai Nana , Yuan Chengjiang , Tang Shuo , Zhang Zhiyong.Relationship Between Vigor of Trees and Concentrations of Nutrients in Soils and Plant Tissues of a Veteran Platycladus orientalis Tree Stand[J].Chinese Agricultural Science Bulletin,2013,29(13):9-13. | |
| Authors: | Zhao Juan Yang Jun Lai Nana Yuan Chengjiang Tang Shuo Zhang Zhiyong |
| Abstract: | The concentrations of macronutrients in samples of surrounding soils and plant tissues of veteran oriental arborvitae (Platycladus orientalis (L.) Franco) trees in Zhongshan Park in Beijing were measured. The relationship between the concentrations of the nutrients and the vigor of trees was analyzed using statistics methods. The results show that the pH, water content, and the concentrations of N, P, K, Ca, and Mg of soils are not significantly different. In samples of roots, except for the concentration of K in the dormant season, concentrations of other macronutrients are not significantly different. The concentrations of Ca in leaves are significantly different between groups of trees with different ages in the growing season. Differences in concentrations of other macronutrients, chlorophyll, and total soluble sugar in leaves are not significant in different groups of oriental arborvitae trees no matter it is in growing or dormant season. In conclusion, it is difficult to use the concentrations of nutrients of veteran trees to represent their health status. The judgment of their health status has to rely on visual inspection in the near future. |
| Keywords: | veteran oriental arborvitae tree macronutrients growing season dormant season health of veteran tree |
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