Distribution Characteristics and Ecological Risk Assessment of Heavy Metals in Typical Soil Profiles of Muchuan County, Sichuan Province [PDF]
, 2023 BACKGROUNDSoil is a precious resource for human survival and social development. The quality of the soil environment is impacted by a variety of issues due to the social economy’s rapid expansion, and the issue of heavy metal contamination in farmed land
Bixia LIAO, Ling HE, Wenling SHEN
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Effects of Winter Irrigation on Soil Water-heat-salt Migration and Crop Growth During Freezing-Thawing Period in Qingtongxia Irrigation District of Ningxia [PDF]
, 2023 [Objective] The effects of winter irrigation on soil water-heat-salt migration and crop growth during the freezing-thawing period were analyzed in order to provide a scientific basis for controlling soil salinization, and to ensure food security ...
Han Yuping +4 more
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Effects of Different Plant Spacings on Preferential Flow Development Characteristics of Vetiver Plant Slopes [PDF]
, 2022 [Objective] The development characteristics of preferential flow for a vetiver slope and the relationship between vetiver roots and preferential flow were analyzed in order to provide a theoretical basis for further study on the influence of plant roots ...
Jiang Xueliang +4 more
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Accumulation and Source Apportionment of Soil Heavy Metals in Molybdenum-Lead-Zinc Polymetallic Ore Concentration Area of Luanchuan [PDF]
, 2023 BACKGROUNDThe Luanchuan Mo-Pb-Zn polymetallic ore concentration area, located in Henan Province, China, has a long-term history of mining activities. Heavy metals have been liberated during mining, which induces heavy metal pollution of water and soil ...
Danli CHEN +6 more
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Effects of Water Supply Location in Anegative Pressure Irrigation System on Tomato Growth and Water Use Efficiency [PDF]
, 2023 [Objective] The specific effects of negative head irrigation system on tomato growth, irrigation method, and water utilization efficiency were studied in order to provide scientific references for improving the technical system of negative head ...
Feng Feng +6 more
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Simulated reconstruction of soil water distribution and isotope fractionation under the influence of AMF inoculation [PDF]
, 2023 Water resources determine the vegetation structure and types in the ecological restoration process, and are the main limiting factor for achieving green production and ecological restoration in mining areas.
Lexuan TIAN, Yinli BI, Zengming KE
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Shuitu Baochi Xuebao, 2022 为分析不同梯度盐渍土土壤的物理性质与水动力学性质变异状况,在江苏沿海连云港市徐圩新区开展了试验研究。对5种不同盐渍化级别土壤进行取样,测定其pH、ECe、容重、总孔隙度、含水率和饱和导水率等,分析不同级别滨海盐渍土壤物化特性参数和水动力学性质变化规律。结果表明:(1)不同级别盐渍土0—50 cm剖面土壤ECe先变小后增大,但40—50 cm剖面ECe明显大于0—10 cm剖面。非盐渍土和极重度盐渍土0—50 cm剖面土壤ECe变化较小,轻度盐渍土、中度盐渍土、重度盐渍土的0—50 ...
祝瑜 +6 more
doaj
Soil Water Characteristics of Different Aerial-seeded Plant Communities at Northeastern Edge of Tengger Desert [PDF]
, 2023 [Objective] Soil water characteristics of different plant communities at different slope positions on aerial-seeded afforestation areas in 1992 were studied at the northeastern edge of the Tengger Desert in order to provide a theoretical basis for the ...
Ge Nan +4 more
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Water-holding Capacity of Reclaimed Grassland with Different Ages in Karst Regions [PDF]
, 2023 [Objective] The water-holding capacity of reclaimed grassland of different ages was studied in order to provide a scientific basis for water retention and soil and water conservation of reclaimed grassland in karst regions.
Li Xuemei +3 more
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Shuitu Baochi Xuebao, 2005 针对松辽平原玉米连作黑土在不同作制度下所形成的两种不同构型剖面(“平面型”剖面和“波浪型”剖面),对玉米产量有显著影响。通过模拟构型,研究了不同剖面构型的水分特征及其对土壤肥力的影响。结果表明:“平面型”剖面构造改善了土壤的通透性,增加了土壤水分渗透的速率,减少了雨水径流。“波浪型”剖面耕层土壤的耗水量比“平面型”剖面的大,特别是后期,易发生水分亏缺现象。从作物生育时期降雨量分析来看,对于“平面型”剖面来说略有盈余,而“波浪型”却出现亏缺。“波浪型”剖面耕层土壤比“平面型”剖面更容易发生干旱现象 ...
王鸿斌 赵兰坡
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