摘要
以4种地被竹作为研究对象,对其根系的分布特征及其力学性质进行了研究。结果表明,4种地被竹根系以0～10 cm土壤含量最高,随着土层深度的增加,根系含量逐渐减少,各竹种均以<0.5 mm径级的根系含量最高,0.5～1.0 mm根系的含量次之,>1.0 mm的根系含量最少。其中土壤中菲白竹根系含量最大,为11 870 g/m2;黄条金刚竹含量最小,为6 160 g/m2。根系平均抗拉强度分别为菲白竹25.3 MPa、铺地竹27.05 MPa、鹅毛竹41.96MPa、黄条金刚竹32.67 MPa。
The root system distribution characteristic and mechanical properties of 4 dwarf bamboos(Arundinaria argenteostriata,Arundinaria fortunei,Shibataea chinensis,Sasaella masamuneana f.aureostriata) were investigated.The results showed that the soil root content decreased gradually from the top-layer to deep-layer.The roots which were less than 0.5 in diameter occupied the highest percentage in weight,and the roots of 0.5-1mm in diameter took the second place,while the roots which were more than 1mm in diameter was the lowest.Among the 4 dwarf bamboos,the root content of Arundinaria fortunei was the highest and it was 11 870g/m2,While the Sasaella masamuneana f.aureostriata was lowest,it was 6 160g/m2.The root tensile strength of Arundinaria fortunei,Arundinaria argenteostriata,Shibataea chinensis and Sasaella masamuneana f.aureostriata was 25.3 MPa,27.05 MPa,41.96 MPa and 32.67MPa respectively.
出处
《林业科技开发》
2011年第6期20-23,共4页
China Forestry Science and Technology
基金
国家林业公益性行业科研专项(编号:201204106)
关键词
地被竹
根系
分布特征
力学性质
dwarf bamboo
root
distribution characteristic
mechanical properties
