Results 21 to 30 of about 831 (92)

Characteristics and Response of Soil-leaf Ecological Stoichiometry of Suaeda Microphylla and Apocynum Pictum Under Different Salt Habitats [PDF]

open access: yes, 2023
[Objective] The change trend and main limiting factors of the ecological stoichiometric characteristics of soil and leaves in different saline habitats were analyzed in order to provide basic research data for the study of nutrient limiting factors and ...
Bahebe Lede   +5 more
core   +1 more source

A Large Granary Site in the Western Han Period Found along the Great Wall in the Ordos Region, Inner Mongolia Autonomous Region [PDF]

open access: yes, 2023
departmental bulletin ...
SAGAWA, Masatoshi   +5 more
core  

Simulation Experiment on Effect of Surface Cracks Caused by Coal Mining on Soil Moisture Disturbance in Loess-Covered Area [PDF]

open access: yes, 2023
[Objective] The effect of surface cracks caused by coal mining on soil moisture changes in a loess-covered area was studied in order to provide data support for the study of soil moisture changes in coal mining subsidence area.
Fan Zhigang   +5 more
core   +1 more source

黄土高原地区土壤养分资源分区及其评价

open access: yesShuitu Baochi Xuebao, 1994
黄土高原地区土壤养分从黄土丘陵区、鄂尔多斯台地风沙区向内环辐射,由低增高;但是黄土高原地区氮磷缺乏,钾肥在一些地区和一些土壤上有显著增产效果,并能提高作物的品质。微量元素在一些土壤上也是缺乏的。今后在肥料上要进行二元或多元复合肥的施用。
贾恒义 彭琳
doaj   +2 more sources

Response Characteristics of Soil Saturated Hydraulic Conductivity after Returning Orchard to Farmland on the Loess Plateau [PDF]

open access: yes
[Objective] To explore the change rule and influencing factors of soil saturated hydraulic conductivity (Ks) after returning orchard to farmland. [Methods] Aging apple orchards (AO) and orchards with different tillage years (2 a, 4 a, 6 a, 10 a) on the ...
JIA Xiaoxu   +6 more
core   +1 more source

Effects of Different Crust Types on Soil Aggregates and Organic Carbon of Vegetated Concrete Substrates [PDF]

open access: yes, 2023
[Objective] The distribution of soil aggregates and the characteristics of organic carbon content were analyzed to determine the influence of biological crust on slope stability and nutrient retention in order to provide a reference and guidance for the ...
Ai Shangjin   +6 more
core   +1 more source

Effects of Desert Land Cultivation on Soil Aggregate Stability and Carbon Fixation [PDF]

open access: yes, 2023
[Objective] The response of soil aggregate stability and organic carbon before and after land reclamation using different land use types were analyzed in order to provide a scientific theoretical basis for wasteland reclamation, vegetation restoration ...
Chen Xue   +4 more
core   +1 more source

Characteristics of Soil Aggregates and Organic Carbon Content for Ecological Restoration Slopes at Xiangjiaba Hydropower Station [PDF]

open access: yes, 2023
[Objective] The effects of ecological engineering restoration technology on soil aggregate stability and organic carbon distribution were analyzed in order to provide a scientific basis for improving soil structure stability and carbon sink function of ...
Duan Xiaoming   +4 more
core   +1 more source

黄土丘陵区生态适宜型农村经济发展模式探讨

open access: yesShuitu Baochi Xuebao, 2002
基于黄土丘陵区在全国国土总体格局中的生态功能定位,本文以有效控制水土流失和整治生态环境为前提,在总结黄土丘陵区农村经济发展普遍性方向的基础上,重点讨论了在黄土丘陵区建设生态适宜型农村经济发展模式宜遵循的基本原则、主要内容、发展阶段及产业开发层次,并从生态环境效益、经济效益和可持续发展性等角度阐述了评判模式可行性及发育程度的基本方法.最后针对模式具体应用应注意的问题提出了若干建议.
徐勇 Roy C.Sidle 景可
doaj  

Risk Assessment and Zoning on Supply and Demand of Water Yield Services in Pakistan Section of China-Pakistan Economic Corridor [PDF]

open access: yes, 2023
[Objective] The supply and demand of water yield services in the Pakistan section of China-Pakistan economic corridor were analyzed, the risk areas for water yield services were identified scientifically, and the risk prevention measures were formulated ...
Cheng Zhenni   +4 more
core   +1 more source

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