Characteristics and Response of Soil-leaf Ecological Stoichiometry of Suaeda Microphylla and Apocynum Pictum Under Different Salt Habitats [PDF]
, 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
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Shuitu Baochi Xuebao, 2023 为了提升生物质炭对滨海盐碱土壤盐分的洗脱效率,以海兴县盐碱土为研究对象,利用聚丙烯酰胺(PAM)、小麦秸秆生物质炭(BC)、黏土矿物(M)等材料制备聚丙烯酰胺改性生物质炭(PAM-BC),通过室内模拟淋溶试验研究对比不同环境材料对盐碱土盐分的洗脱效果。结果表明,相比于CK处理,PAM、BC和PAM-BC、CaSO4(CS)处理均显著增加土壤盐分洗脱量,其中PAM-BC处理下增幅最高,达到12.3%。进一步对淋洗液中主要盐分离子分析,添加PAM-BC显著促进土壤Na+和Cl-的洗脱,增幅分别为11.0 ...
石维 +8 more
doaj
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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Simulation of Soil N2O Emissions Under Different Soil Moisture Conditions by Using Mixed Dynamic Equation [PDF]
, 2023 [Objective] Soil moisture has an important impact on N2O emissions. This study attempted to simulate the cumulative process of soil N2O emission under different soil moisture conditions by using a mixed dynamic equation, and to analyze the influence of ...
Duan Shufang +6 more
core +1 more source
Effects of Desert Land Cultivation on Soil Aggregate Stability and Carbon Fixation [PDF]
, 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
Shuitu Baochi Xuebao, 2020 为研究河套平原盐碱地在不同利用方式对土壤盐碱化特征分布的影响，通过野外调查取样和室内分析相结合的方法，对5种土地利用方式下（林地、农用地、牧草地、改良地、盐荒地）不同深度土壤剖面形态特征、可溶盐含量、盐分离子组成、总碱度、pH、碱化度等指标的变化规律进行了系统研究。结果表明：不同利用方式土壤剖面土体结构、颜色、根系分布、石灰性反应及碱化层分布均有明显差异；土壤剖面的可溶性盐、阴阳离子分布因土地利用方式不同而存在差异，牧草地和林地土壤剖面可溶性盐呈"橄榄"型、盐荒地和改良地呈"表聚"型、农用地呈"底聚"型；
景宇鹏 +7 more
doaj
, 2019 在查阅文献资料和实地调查的基础上,对福建省海岸带乡土园林植物进行调查和分析;采用层次分析法构建海岸带园林植物应用筛选及综合评价体系,并据此筛选出适合福建海岸带园林建设的乡土景观植物种类。构建的海岸带园林植物应用筛选体系共有一级评价指标4个,二级评价指标13个。一级指标中权重值最高的为海岸带植物适应能力,其次是应用潜力;二级指标中耐盐碱和抗风性权重值相同且最高,其次为观赏价值和资源获取。运用评价体系筛选出综合得分较高的乔木15种,灌木和草本18种,并从应用类型和观赏特色两方面对筛选出的植物进行分析 ...
冯莹, 王文卿, 钱莲文, 陈清海
core +1 more source
Review of techniques and case studies for saline-alkali land amelioration in the coastal regions of China [PDF]
Soil salinization is one of the major challenges in agricultural production and ecological development. With the rapid development of China’s coastal areas, land resources are becoming increasingly scarce, creating an urgent need for the improvement and ...
Hang LYU +5 more
core +1 more source
Combined Effects of Humic Acid-Modified Magnetic Biochar and AMF on the Properties of Saline-Alkali Soil and Photosynthetic Parameters of Muskmelon [PDF]
[Objective] To improve humic acid-modified magnetic biochar (HA-MBC) and explore the combined effects of modified biochar and arbuscular mycorrhizal fungi (AMF) on the properties of saline-alkali soils and the growth of muskmelon.
CHEN Xinyan +12 more
core +1 more source
A review of fly ash-based paste filling deamination methods [PDF]
, 2023 On the basis of discussing the status of fly ash-based paste filling technology, this paper further discusses the deterioration of downhole air environment caused by ammonia release in fly ash-based paste filling.
Kai JU +5 more
core +1 more source