[1]ZHANG Chunxia,DONG Zhi,GAO Bo,et al.Effects of Erosive Rainfall Patterns and Different Vegetation Types on Soil Erosion in Slope with Brown Soil[J].Research of Soil and Water Conservation,2023,30(02):36-41,49.[doi:10.13869/j.cnki.rswc.2023.02.011]
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Effects of Erosive Rainfall Patterns and Different Vegetation Types on Soil Erosion in Slope with Brown Soil
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
30
Number of periods:
2023 02
Page number:
36-41,49
Column:
Public date:
2023-03-10
- Title:
- Effects of Erosive Rainfall Patterns and Different Vegetation Types on Soil Erosion in Slope with Brown Soil
- Keywords:
- erosive rainfall; vegetation cover; brown soil; soil erosion
- CLC:
- S157.1
- DOI:
- 10.13869/j.cnki.rswc.2023.02.011
- Abstract:
- In order to explore the effects of plant measures on characteristics of soil erosion in slope under different rainfall patterns, the data of sediment yield and sediment yield under 16 events of erosive rainfall in 4 plots of Xiagang slope runoff field, Tai'an City, Shandong Province during 2018—2019 were analyzed. The results show that:(1)with rainfall duration, rainfall and average rainfall intensity as characteristic indexes, erosive rainfall can be divided into three categories: category A(long duration, heavy rainfall and heavy rain intensity), category B(medium duration, medium rainfall and moderate rain intensity)and category C(short duration, small rainfall and light rain intensity);(2)compared with maize planting, the decreasing flow decreased in the order: chestnut and peanut intercropping>apple tree>plum tree showed the trend under both A and B rainfall types; in terms of soil loss, compared with plum trees, the sediment reduction showed the trend of chestnut and peanut intercropping>apple tree>maize under rain pattern A; under B rainfall type, the sediment reduction rates of chestnut peanut intercropping, plum tree and apple tree were 84.2%, 31.2% and 85.1%, respectively; under the rainfall type C, the sediment reduction showed the trend of apple tree>plum tree>chestnut and peanut intercropping;(3)soil erosion was the most serious in the sloping farmland planted with maize, and the average annual soil loss was 18.04 t/hm2; in comparison, chestnut and peanut intercropping could reduce soil erosion by 79.57%, apple tree and plum tree could reduce soil erosion by 73.36% and 18.55%, respectively. In conclusion, chestnut-peanut intercropping has certain advantages compared with other plant measures, especially suitable for dealing with class A erosive rainfall with long duration, heavy rainfall and heavy rain intensity, and the effect of reducing flow and sediment is obvious.
- References:
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Last Update:
2023-03-10