Effects of Different Vegetation Coverage of Vetiver in Reducing Ditch Erosion and C, N, P Loss [PDF]
, 2023 [Objective] The influences of plants on reducing ditch erosion and C, N and P loss were studied in order to provide technical support for the prevention of ditch erosion and pollution control.
Chen Tingting +8 more
core +1 more source
Shuitu Baochi Xuebao, 2023 为了明确等高犁耕条件下黄土坡耕地地形与坡度的变化特征,基于6个坡度(3°,5°,10°,15°,20°,25°)和5个耕作强度(6,12,18,24,30次)的组合,开展模拟耕作试验,利用测针法获取耕作后地表高程数据,探讨耕作强度和坡度对黄土直线形坡演化特征的影响。结果表明,在等高向下犁耕条件下,不同坡度的直线坡随着耕作强度的增加逐渐向"∽"形复合坡演化。同一坡度下,随着耕作强度的增加,坡脚延伸,整体小区投影坡长增大,坡脚高程增加幅度大,堆积现象明显,坡度大幅度减小;坡中高程增加,逐渐抬起坡度减小 ...
张泽瑜 +4 more
doaj
Shuitu Baochi Xuebao, 2022 探究黄土高原坡耕地土壤物理结皮对坡面产流产沙的影响和作用机理, 为黄土高原坡耕地水土流失防治提供科学依据。通过室内人工模拟降雨试验, 研究坡耕地沉积结皮和翻耕以后形成的击溅结皮对坡面产流产沙过程的影响。根据研究区坡耕地结皮形成的特点, 试验共设计5个处理, 分别为裸地、沉积结皮、沉积结皮破坏、翻耕和翻耕击溅结皮, 每个处理对应2个重复, 以安塞黄绵土25°坡面为例, 设置雨强为120 mm/h, 降雨历时为1 h。结果表明: (1)坡耕地沉积结皮促进坡面产流、抑制坡面产沙, 打破结皮后 ...
马金龙 +4 more
doaj
Effects of Grazing Intensity on Features of Vegetation, Soil and Its Erosion in a Steppe Desert [PDF]
, 2022 [Objective] The effects of different grazing intensity on vegetation features, soil physical properties, and soil erosion in a steppe desert were determined in order to provide a scientific basis for soil erosion control, degradation and ecosystem ...
Guo Jianying, Yang Yanan, Yang Zhenqi
core +1 more source
Comparative Study on Soil Infiltration Characteristics of Different Land Use Types in Horqin Sandy Land [PDF]
, 2022 [Objective] The differences in water infiltration characteristics between different land use types in Horqin sandy land were determined in order to provide a scientific reference for the study of water and material transport in the vadose zone in arid ...
Ala Musa +3 more
core +1 more source
Effects of Configuration Ratios for Contour Planting and Replanted Sugarcane on Gully Erosion-Induced Nitrogen and Phosphorus Losses on Slopes [PDF]
, 2023 [Objective] The suitable configuration ratios for contour planting and replanted sugarcane on slopes were determined in order to provide technical support for reducing slope ditch erosion and nutrient loss, improving cultivated land quality and rational ...
Chen Tingting +8 more
core +1 more source
Response of Runoff and Sediment Yield from Maize Slope Farmland in Karst Areas to Slope Gradient [PDF]
[Objective] To elucidate the responses of surface runoff, subsurface runoff, and underground runoff hydrological pathways to slope in maize sloping farmland in Karst regions.
DAI Quanhou +4 more
core +1 more source
Spatio-temporal Pattern Evolution and Influencing Factors of Cultivated Land Non-agriculturalization in Yan'an City [PDF]
, 2022 [Objective] The temporal and spatial variation characteristics and their the influencing factors of cultivated land conversion in Yan'an City from 2000 to 2020 were analyzed in order to provide a theoretical basis for policy-making regarding cultivated ...
Li Hongpeng, Tan Jingbin, Tian Darui
core +1 more source
Effects of Tillage Disturbance on Slope Shape and Micro-topographic Features on Typical Sloping Cropland of Southwestern Alpine-canyon Area [PDF]
[Objective] The objective of this study was to investigate the effects of various tillage practices on on slope shape and micro-topographic features on typical sloping croplands of southwestern alpine-canyon area.
LIU Jingyi +8 more
core +1 more source
Soil Particle Settlement Sorting and Distribution Characteristics of Carbon, Nitrogen and Salt During Gradual Thawing [PDF]
, 2023 [Objective] The classification of sediment particles and the accompanying distribution characteristics of carbon, nitrogen and salt in the process of soil thawing layer by layer under snowmelt runoff scenario were analyzed in order to identify the ...
Hu Yaxian +5 more
core +1 more source