检索结果-南通市图书馆

Root architecture characteristics of plant inlay in live slope grating

Forestry Studies in China 2007年第3期9卷 177-181页

作者： Gao Jia-rong Wang Fang Gao Yang Rosemarie Stang Key Laboratory of Soil and Water Conservation ＆ Desertification Combating of Ministry of Education Beijing Forestry University Beijing 100083 P. R. China Department of Soil Bioengineering and Landscape Construction University of Applied Life Sciences Hasenauerstr. 42 A-1180 Vienna Austria

In the experimental garden of the Department of Soil Bioengineering and Landscape Construction, University of Applied Life Sciences in Vienna, Austria, coarse root systems of three different brush species were completely excavated and semiutomatically digitized. The species were Lonicera xylosteum, Ligustrum vulgare and Euonymus europaeus. The 3-D root architectures reveal different growth strategies between species, which are related to ecological characteristics and physical soil properties. The root architecture of Lonicera xylosteum and Ligustrum vulgare, planted in the under layer of the live slope grading, where the soil is very tight and the soil water content and fertility are relatively low, is shallow. However, the root distribution of E. europaeus, planted in the middle layer, where environmental conditions are better, is deeper. Most of the root biomass of the three species is concentrated in the 0-30 cm soil layer. A quarter of the root biomass ofLigustrum vulgare is distributed in the upper layer of the plant inlay. E. europaeus has a relatively even distribution in the 30-0 cm and 60-90 cm soil layer.

关键词： plant inlay live slope grating 3D root architecture root biomass

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