LIU Shi-yu,DONG Wen-da,LI De-rong.Preliminary Study of Ecological Environment in Orchard Soil and Water Conservation[J].Research of Soil and Water Conservation,2000,7(03):198-200.
果园水土保持在生态环境建设中的作用初报
- Title:
- Preliminary Study of Ecological Environment in Orchard Soil and Water Conservation
- Keywords:
- soil and water conservation; Bahia grass; runoff coefficient; amount of soil erosion; vegetative cultivation
- 分类号:
- S157;S66
- 摘要:
- 在山边沟的间距内，采用水平梯田梯壁植草（百喜草：Paspalum notatum）等8种不同的处理方式观测红壤坡地果园水土流失状况，于第一年（1998年）试验初步结果表明，不同处理已有显著差异。与全园裸露（对照）比较，水平梯田梯壁植草水土保持效果最佳，其平均径流系数减少85.19%，土壤侵蚀量减少98.85%，其他各处理也有不同程度防治水土流失的效果。因此建议在坡地果园中应进行以百喜草为主的草生栽培，提高植被覆盖度。
- Abstract:
- Between two hillside ditches, soil and water losses in slopeland orchard of red soil were assessed by eight different treatment methods, such as planting Bahia grass (Paspalum notatum) on level bench terrace wall. The experimental results of the first year (1998) had shown significant differences among methods used. Compared with bare soil (ck), planting Bahia grass on level bench terrace wall was the most effective method to conserve soil and water, it reduced average runoff coefficient by 85.19% and amount of soil erosion by 98.85%. Others also had various effects. Therefore, it is suggested that vegetative cultivation mainly by Bahia grass in slopeland orchard should be used to improve its vegetation coverage.
参考文献/References:
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备注/Memo
收稿日期:2000-6-15
基金项目:国家计委“八五”重点科技攻关项目（85-606-25-01）资助
作者简介:刘士余，男，1975年生，毕业于北京林业大学水土保持专业，现在江西农业大学国土资源与环境学院环境工程教研室从事教学工作，参加国家“八五”重点科技攻关项目《百喜草在国土保护、“三高”农业中利用研究及推广》的部分科研工作。