Results 1 to 10 of about 1,028 (123)
, 2003 Microbial degradation of phthalate and dimethyl phthalate esters was investigated using an enrichment culture obtained from sewage sludge. Optimal degradation conditions were determined by an orthogonal test for environmental factors. More than 99% PA at
Fan, Y, Gu, J, Wang, Y
core +8 more sources
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
core +1 more source
Response of Soil Respiration to Storage Irrigation and Freeze-thaw Cycles in Extremely Arid Areas [PDF]
, 2022 [Objective] The effects of water storage irrigation and seasonal freezing and thawing on soil respiration were determined in order to improve the utilization efficiency of irrigation water resources, and save irrigation water resources at Shiyang River ...
Gao Yayu +3 more
core +1 more source
Responses of Stem Sap Flow and Diameter of Ailanthus Altissima to Soil Moisture [PDF]
, 2022 [Objective] In order to understand the water use strategy of Ailanthus altissima and to formulate efficient water management measures for A. altissima, we investigated the characteristics of sap flow and radial stem variation of A.
Liu Yunjie +3 more
core +1 more source
Ecological Service Function Evaluation of Urban Greening Shrubs in Guanzhong Region, Shaanxi Province [PDF]
, 2023 [Objective] The landscapes and ecological service functions were comprehensively evaluated in order to provide scientific guidance for the selection of urban greening shrub species. [Methods] Several indexes including landscape service functions (such as
Gai Shuaizi +5 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
Soil Salinization Characteristics of Different Land Use Types in a Typical Oasis Irrigation Area of Lower Tarim River [PDF]
, 2023 [Objective] The soil salinization characteristics under different land use types in extremely arid regions were analyzed in order to provide support for the sustainable efficient utilization of regional land resources.
Baiyun Gang +6 more
core +1 more source
Shuitu Baochi Xuebao, 2021 多种外营力作用的复合侵蚀是东北黑土区坡耕地的主要侵蚀特征，但目前缺乏冻融、风力、水力之间相互作用对复合侵蚀影响的量化研究。基于此，采用室内冻融模拟、风洞试验和降雨模拟试验相结合的研究方法，分析了前期土壤冻融作用对土壤风蚀以及前期土壤冻融和风力叠加作用对后期坡面水蚀的影响。结果表明，前期土壤冻融作用显著增加了后期坡面的风蚀量 ...
桑琦明 +8 more
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Shuitu Baochi Xuebao, 2022 为探究施加生物炭对冻融期盐渍化土壤蓄水保墒、保温、保肥的作用,以盐渍化土壤为研究对象,连续2年在河套灌区开展田间小区原位冻融试验,设置生物炭用量为15 t/hm2(D15),30 t/hm2(D30),不施加生物炭(CK)3种处理。结果表明:在冻融条件下,0—40 cm土层较40—100 cm土层水分垂直分布规律明显、储水能力强;除在试验第1年的初冻期施加生物炭使0—40 cm土层储水量有所降低外,随生物炭施加时间的增长,生物炭的持水作用逐渐显现,其中与CK相比D30处理更有利于土壤水分保持 ...
张如鑫 +4 more
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Shuitu Baochi Xuebao, 2023 为探究河西走廊地区土壤冻融规律,基于ERA5-LAND逐小时地表温度数据,通过划分不同冻融阶段并结合Mann-Kendall趋势检验及线性回归法,分析河西走廊近40年地表土壤冻融状态变化特征。结果表明:(1)春季过渡期发生天数呈现平原多山区少,总体年均发生天数为65天以上,完全融化期发生天数整体上为北部多于南部,在同一纬度上呈东部多于西部,且发生天数为200天以上的地区不断增加;秋季过渡期年均发生天数最少,为50天左右,完全冻结期发生天数随海拔升高而增加,其中春季过渡期发生天数的空间分布随时间变化较明显。
薛华柱 +4 more
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