1. 河南省水利科学研究院,河南,郑州,450003
2. 河南省水利工程安全技术重点实验室,河南,郑州,450003
3. 华北水利水电大学,河南,郑州,450002
4. 河南科光工程建设监理有限公司,河南,郑州,450003
纸质出版:2019
移动端阅览
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Ma Zhilin, Zhang Liya, Yang Qiugui, et al. Effects of Soil Characteristics on Grass Growth of Channel Slope Protection[J]. Bulletin of Soiland Water Conservation, 2019, 39(5): 106-112.
马志林, 张丽娅, 杨秋贵, 等. 土壤特性对渠道护坡植草生长状况的影响[J]. 水土保持通报, 2019,39(5):106-112. DOI: 10.13961/j.cnki.stbctb.2019.05.015.
Ma Zhilin, Zhang Liya, Yang Qiugui, et al. Effects of Soil Characteristics on Grass Growth of Channel Slope Protection[J]. Bulletin of Soiland Water Conservation, 2019, 39(5): 106-112. DOI: 10.13961/j.cnki.stbctb.2019.05.015.
[目的] 研究土壤理化性质的变化对渠坡植草生长的影响,为南水北调中线工程植草护坡及标准化管理提供科学依据。[方法] 以南水北调中线河南省新郑段渠坡为例,分析4个不同盖度典型植草护坡样方不同层次土壤理化性质及变化特征。[结果] ①秋季土壤水分比较适宜,浅层水分含量平均为16.56%,深层水分含量平均为16.91%,同一样方垂直剖面差异不大,不同样方浅层差异较明显。②土壤pH值平均在8.5左右,整体呈强碱性;平均容重在1.37左右,浅层小于深层。③有机质含量浅层平均为0.34%,深层平均为0.31%,不同盖度样方差异明显(p<0.05);全氮、全磷含量缺乏,全钾含量相对较高。[结论] 不同植草护坡盖度和生长状况渠坡土壤特征具有明显差异,但均属较差水平。渠坡植草生长状况除土壤自身特性外,还与草坪建植措施、长期极端干旱及不合理修剪等日常管护措施有较大关系。
[Objective] The effects of various soil physical and chemical properties on plant growth on canal slopes were studied in order to provide a scientific basis for grassland slope protection and standardized management of the central route of the south-to-north water transfer project.[Methods] The physical and chemical properties and change characteristics at different levels of the typical grass slopes of four different coverages were analyzed by taking the slope of the Xinzheng section of the central route of the south-to-north water transfer project as an example.[Results] ① The soil moisture in autumn was more suitable
with an average moisture content of 16.56% in the shallow layer and 16.91% in the deep layer; the vertical profile difference within the same sample plot was not significant
and the shallow layer difference of the different quadrat was obvious. ② The soil pH value was about 8.5 on average
and the soil was strongly alkaline. The average soil bulk density was about 1.37
and the soil bulk density in the shallow layers was lower than that in the deeper layers. ③ The average content of organic matter was 0.34%
and the average depth was 0.31%
which differed significantly (p<0.05) depending on coverage in the quadrat. The soil was found to be deficient in total nitrogen and phosphorus
and the total potassium content was relatively high.[Conclusion] There were obvious differences in soil characteristics
between different vegetation and degrees of grass slope protection
but all soil types were found to be of poor quality. Besides soil characteristics
the factors that affect the plant growth on canal slopes was also related to daily management and protection measures
such as lawn planting measures
the effects of long periods of extreme drought
and improper pruning.
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