CHEN Ying-zhi,LI Li-xin.Studies on the Ecological Adaptability and Benefit of Soil and Water Conservation of Eleutherococcus senticosus in Field Bund of Black Soil Region in Northeastern China[J].Research of Soil and Water Conservation,2014,21(04):138-142.
刺五加在东北黑土区埂带上的生态适应性及水保效益研究
- Title:
- Studies on the Ecological Adaptability and Benefit of Soil and Water Conservation of Eleutherococcus senticosus in Field Bund of Black Soil Region in Northeastern China
- Keywords:
- Eleutherococcus senticosus; field bund; adaptability; soil and water conservation; benefit
- 分类号:
- S157.1
- 摘要:
- 为了解决东北黑土区坡耕地治理中埂带植物品种少、水保效益差的问题，在黑龙江省牡丹江修建梯田埂和地埂试验区，在埂带上栽植长梗刺五加和短梗刺五加，设置径流小区，以自然裸露为对照。通过对埂带刺五加生物量、泥沙和径流量、对土壤含水量影响及经济效益观测，研究刺五加在东北黑土区埂带上的生态适应性及水土保持效益。结果表明：长梗刺五加和短梗刺五加在梯田埂和地埂上均有良好的适应性；埂带刺五加试验区土壤侵蚀量低于东北黑土区容许土壤流失量200 t/（km2·a），满足水土保持功能要求；观测不同深度土壤含水量，刺五加埂带显著高于对照；栽植第三年的经济效益，梯田埂上短梗刺五加和长梗刺五加分别达到了96 880元/hm2和10 740元/hm2。地埂上短梗刺五加和长梗刺五加分别达到47 700元/hm2和10 665元/hm2，经济效益显著；二者相比，短梗刺五加在埂带上优于长梗刺五加。
- Abstract:
- Studies on the ecological adaptability and benefit of soil and water conservation of two species of Eleutherococcus senticosus were conducted in order to solve problems on lack of plant species grown in field bund and poor benefit of soil and water conservation in the northeast black earth area in the hilly land by building ladder ridge and field ridge test area and planting long stems Eleutherococcus senticosus and short stems Eleutherococcus senticosus in ridge, setting up the runoff test area, and selecting natural bare land as control in Mudanjiang, Heilongjiang province,. Based on the effect of Eleutherococcus senticosus biomass on sediment and runoff, economic benefit and soil moisture content, the soil and water conservation benefits and ecological adaptability of Eleutherococcus senticosus in the northeast black soil area were studied. Results show that the thistle Eleutherococcus senticosus and short stem Eleutherococcus senticosus grown on ladder rideg and field ridge have the good adaptability; the soil erosion rate in Eleutherococcus senticosus test area of the northeast black earth area is less than the tolerance soil erosion rate 200 t/(km2·a), meeting the requirements of soil and water conservation function; observed soil moisture content of different depths in ridge grown Eleutherococcus senticosus was much higher than that of the control; in the third year, the planting economic benefits of ladder ridge grown short stems Eleutherococcus senticosus and long stems Eleutherococcus senticosus reached up to 96 880 yuan/hm2 and 10 740 yuan/hm2, respcectively. The economic benefits of field ridge grown short stems Eleutherococcus senticosus and long stems Eleutherococcus senticosus reached to 47 700 yuan/hm2 and 10 665 yuan/hm2, respectively, economic benefit is significant. Compared two species of Eleutherococcus senticosu, short stems Eleutherococcus senticosus is bwtter than the long stems Eleutherococcus senticosus.
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备注/Memo
收稿日期:2014-03-02;改回日期:2014-03-20。
基金项目:黑龙江省科技厅科技攻关项目（GB08C2004-02）
作者简介:陈英智(1966-),女,黑龙江省延寿县人,硕士,高级工程师,从事水土保持科学研究。E-mail:yingzhichen@163.com