Effects of Different Hedgerow Patterns on the Soil Physicochemical Properties, Erodibility, and Fractal Characteristics of Slope Farmland in the Miyun Reservoir Area
Soil erosion of sloping farmland in the Miyun reservoir area in Beijing has become a serious issue and has threatened the ecological environment and safety of the reservoir area. We used the Taishizhuang Village Non-point Source Pollution Prevention & Control Base in the Miyun reservoir as a stu...
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MDPI AG
2022-09-01
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| Online Access: | https://www.mdpi.com/2223-7747/11/19/2537 |
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| author | Lei Wang Jiajun Wu Jianzhi Xie Dan Wei Yan Li Junqiang Wang Ting Xu Zhixin Yang Liang Jin |
| author_facet | Lei Wang Jiajun Wu Jianzhi Xie Dan Wei Yan Li Junqiang Wang Ting Xu Zhixin Yang Liang Jin |
| author_sort | Lei Wang |
| collection | DOAJ |
| description | Soil erosion of sloping farmland in the Miyun reservoir area in Beijing has become a serious issue and has threatened the ecological environment and safety of the reservoir area. We used the Taishizhuang Village Non-point Source Pollution Prevention & Control Base in the Miyun reservoir as a study area and performed a comparative analysis of the physicochemical properties of soil of the upper, middle, and lower slopes of the <i>Scutellaria baicalensis</i> + <i>Buchloe dactyloides</i> plot (Treatment 1, T1), <i>Morus alba</i> + <i>Buchloe dactyloides</i> plot (Treatment 2, T2), <i>Salvia miltiorrhiza</i> + <i>Cynodon dactylon</i> plot (Treatment 3, T3), <i>Platycodon grandiflorus</i> + <i>Cynodon dactylon</i> plot (T4), and a barren land control plot (Control check, CK), to explore how different hedgerow patterns affect the soil’s physicochemical properties, anti-erodibility, and fractal characteristics. We found the following: (1) The primary soil mechanical composition included sand particles in the upper slopes, whereas it was soil fine particles in the middle and lower slopes. (2) The fractal dimension of the slope soil showed a significant negative correlation with sand particles (<i>R</i><sup>2</sup> = 0.9791) while being positively correlated with silt particles (<i>R</i><sup>2</sup> = 0.9635) and clay particles (<i>R</i><sup>2</sup> = 0.9408). (3) All hedgerow patterns increased soil nutrients, with the <i>Morus alba</i> + <i>Buchloe dactyloides</i> hedgerow plot increasing the soil total nitrogen (STN), soil total phosphorus (STP), and soil organic matter (SOM) content by 213.89–282.69%, 55.56–58.15%, and 29.77–56.04%, respectively. (4) The <i>Morus alba</i> + <i>Buchloe dactyloides</i> hedgerow plot significantly decreased the soil erodibility factor <i>K</i> value, improved soil anti-erodibility, and reduced soil erosion. (5) The <i>K</i> value of the soil erodibility was significantly negatively correlated with clay particles, soil fractal dimension, and STP (<i>p</i> < 0.01); positively correlated with sand particles; and negatively correlated with silt particles, STN, and SOM. Therefore, the <i>Morus alba</i> + <i>Buchloe dactyloides</i> hedgerow planting contributes to clay particle conservation, soil nutrient content improvement, soil structure optimization, and soil anti-erodibility enhancement. |
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| spelling | doaj.art-19816b7819a7431e97ecd3661f3353632023-11-23T21:29:07ZengMDPI AGPlants2223-77472022-09-011119253710.3390/plants11192537Effects of Different Hedgerow Patterns on the Soil Physicochemical Properties, Erodibility, and Fractal Characteristics of Slope Farmland in the Miyun Reservoir AreaLei Wang0Jiajun Wu1Jianzhi Xie2Dan Wei3Yan Li4Junqiang Wang5Ting Xu6Zhixin Yang7Liang Jin8College of Resources and Environmental Sciences, Agricultural University of Hebei, Baoding 071000, ChinaCollege of Resources and Environmental Sciences, Agricultural University of Hebei, Baoding 071000, ChinaCollege of Resources and Environmental Sciences, Agricultural University of Hebei, Baoding 071000, ChinaInstitute of Plant Nutrition, Resources and Environment, Beijing Academy of Agricultural and Forestry Sciences, Beijing 100097, ChinaInstitute of Plant Nutrition, Resources and Environment, Beijing Academy of Agricultural and Forestry Sciences, Beijing 100097, ChinaQiqihar Branch of Heilongjiang Academy of Agricultural Sciences, Qiqihar 161000, ChinaQiqihar Branch of Heilongjiang Academy of Agricultural Sciences, Qiqihar 161000, ChinaCollege of Resources and Environmental Sciences, Agricultural University of Hebei, Baoding 071000, ChinaInstitute of Plant Nutrition, Resources and Environment, Beijing Academy of Agricultural and Forestry Sciences, Beijing 100097, ChinaSoil erosion of sloping farmland in the Miyun reservoir area in Beijing has become a serious issue and has threatened the ecological environment and safety of the reservoir area. We used the Taishizhuang Village Non-point Source Pollution Prevention & Control Base in the Miyun reservoir as a study area and performed a comparative analysis of the physicochemical properties of soil of the upper, middle, and lower slopes of the <i>Scutellaria baicalensis</i> + <i>Buchloe dactyloides</i> plot (Treatment 1, T1), <i>Morus alba</i> + <i>Buchloe dactyloides</i> plot (Treatment 2, T2), <i>Salvia miltiorrhiza</i> + <i>Cynodon dactylon</i> plot (Treatment 3, T3), <i>Platycodon grandiflorus</i> + <i>Cynodon dactylon</i> plot (T4), and a barren land control plot (Control check, CK), to explore how different hedgerow patterns affect the soil’s physicochemical properties, anti-erodibility, and fractal characteristics. We found the following: (1) The primary soil mechanical composition included sand particles in the upper slopes, whereas it was soil fine particles in the middle and lower slopes. (2) The fractal dimension of the slope soil showed a significant negative correlation with sand particles (<i>R</i><sup>2</sup> = 0.9791) while being positively correlated with silt particles (<i>R</i><sup>2</sup> = 0.9635) and clay particles (<i>R</i><sup>2</sup> = 0.9408). (3) All hedgerow patterns increased soil nutrients, with the <i>Morus alba</i> + <i>Buchloe dactyloides</i> hedgerow plot increasing the soil total nitrogen (STN), soil total phosphorus (STP), and soil organic matter (SOM) content by 213.89–282.69%, 55.56–58.15%, and 29.77–56.04%, respectively. (4) The <i>Morus alba</i> + <i>Buchloe dactyloides</i> hedgerow plot significantly decreased the soil erodibility factor <i>K</i> value, improved soil anti-erodibility, and reduced soil erosion. (5) The <i>K</i> value of the soil erodibility was significantly negatively correlated with clay particles, soil fractal dimension, and STP (<i>p</i> < 0.01); positively correlated with sand particles; and negatively correlated with silt particles, STN, and SOM. Therefore, the <i>Morus alba</i> + <i>Buchloe dactyloides</i> hedgerow planting contributes to clay particle conservation, soil nutrient content improvement, soil structure optimization, and soil anti-erodibility enhancement.https://www.mdpi.com/2223-7747/11/19/2537Miyun reservoir areahedgerowsoil erodibilitysoil physicochemical propertiesfractal characteristics |
| spellingShingle | Lei Wang Jiajun Wu Jianzhi Xie Dan Wei Yan Li Junqiang Wang Ting Xu Zhixin Yang Liang Jin Effects of Different Hedgerow Patterns on the Soil Physicochemical Properties, Erodibility, and Fractal Characteristics of Slope Farmland in the Miyun Reservoir Area Plants Miyun reservoir area hedgerow soil erodibility soil physicochemical properties fractal characteristics |
| title | Effects of Different Hedgerow Patterns on the Soil Physicochemical Properties, Erodibility, and Fractal Characteristics of Slope Farmland in the Miyun Reservoir Area |
| title_full | Effects of Different Hedgerow Patterns on the Soil Physicochemical Properties, Erodibility, and Fractal Characteristics of Slope Farmland in the Miyun Reservoir Area |
| title_fullStr | Effects of Different Hedgerow Patterns on the Soil Physicochemical Properties, Erodibility, and Fractal Characteristics of Slope Farmland in the Miyun Reservoir Area |
| title_full_unstemmed | Effects of Different Hedgerow Patterns on the Soil Physicochemical Properties, Erodibility, and Fractal Characteristics of Slope Farmland in the Miyun Reservoir Area |
| title_short | Effects of Different Hedgerow Patterns on the Soil Physicochemical Properties, Erodibility, and Fractal Characteristics of Slope Farmland in the Miyun Reservoir Area |
| title_sort | effects of different hedgerow patterns on the soil physicochemical properties erodibility and fractal characteristics of slope farmland in the miyun reservoir area |
| topic | Miyun reservoir area hedgerow soil erodibility soil physicochemical properties fractal characteristics |
| url | https://www.mdpi.com/2223-7747/11/19/2537 |
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