Effects of Different Ratios of Mineral-solubilizing Microbes and Water-retaining Agents on Soil Nutrients and Enzyme Activities [PDF]
, 2022 [Objective] The effects of mixed additions of a water-retaining agent and bacterial agents on soil characteristics were determined in order to provide a theoretical basis for promoting mine vegetation restoration.
Chen Meiling +6 more
core +1 more source
Relationship Between Soil Factors and Enzyme Activities in Mangrove Wetland of Dongzhai Port [PDF]
, 2023 [Objective] Mangroves are part of a wetland ecosystem found along tropical and sub-tropical coastlines. The soil active organic carbon composition, soil enzyme activity, and the interaction between them, under different plant community conditions was ...
Chen Xiaohua +4 more
core +1 more source
Effects of Native Forest Conversion on Soil Labile Organic Carbon and Enzyme Activity in Northwestern Hunan Province [PDF]
, 2023 [Objective] The response of soil labile organic carbon components and enzyme activities to natural forest conversion was analyzed in order to provide a scientific basis for predicting regional soil health evolution and environmental change.
Li Xue +5 more
core +1 more source
Effects of Desulfurized Gypsum Applied Combined with Polyglutamic Acid on Improving Saline Soil [PDF]
, 2023 [Objective] The effects of desulfurized gypsum and polyglutamic acid (γ-PGA) improves saline soil were studied in order to provide a theoretical and technical basis for improving saline soil in Northwest China.
Li Hongyi +4 more
core +1 more source
铜和镉复合污染对红树林区微生物群落结构和沉积物酶活性的影响 [PDF]
, 2018 采用野外样地研究与室内根箱栽培相结合的方法,对漳江口红树林保护区铜、镉污染生境沉积物微生物结构与土壤酶活性进行研究,旨在探讨其对重金属的响应.微生物磷脂脂肪酸数据表明漳江口红树林湿地3种红树植物秋茄(Kandelia obovata)、白骨壤(Avicennia marina)、桐花树(Aegiceras corniculatum)根际土壤微生物群落的多样性与林外光滩区域比较差异有统计学意义 ...
严重玲 +6 more
core +1 more source
Shuitu Baochi Xuebao, 2023 研究农业流域土壤侵蚀—沉积对土壤养分和酶活性的影响可为土壤侵蚀退化评价提供重要科学依据。选择典型薄层黑土区的宾州河流域为研究区,在流域上游、中游和下游各选取2个代表性坡面,基于137Cs示踪技术估算土壤侵蚀—沉积速率,分析流域和坡面尺度土壤侵蚀—沉积对土壤养分(有机质、全氮和速效磷)和土壤酶活性(转化酶、脲酶和碱性磷酸酶)的影响。结果表明:(1)土壤侵蚀速率在流域上游最大,分别是流域中游和下游的1.9,11.2倍;坡面尺度上土壤侵蚀速率在坡中部最大,分别是坡上部和坡下部的1.3~2.6,2.8~12 ...
耿华杰 +6 more
doaj
Effects of Different Crust Types on Soil Aggregates and Organic Carbon of Vegetated Concrete Substrates [PDF]
, 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
Shuitu Baochi Xuebao, 2007 采集广州市中心城区部分公园绿地表层土壤（0-20 cm）,研究了土壤pH、有机质、粘粒、氮、磷、钾含量等肥力特性和脲酶、蔗糖酶、磷酸酶活性。结果表明,广州公园绿地土壤以酸性（pH 4.5-5.5）和中性（pH 6.5-7.5）占的比例高,部分土壤呈碱性,土壤pH值较自然土壤有增高的趋势;土壤有机质含量以中等水平为主,土壤全氮、碱解氮以中等到低水平为主。土壤全磷和有效磷以中等以上水平为主,土壤全钾、速效钾以中等以上水平为主,土壤脲酶、蔗糖酶和磷酸酶活性平均分别为0.36 m g NH3-N/g,12.29
卢瑛, 冯宏, 甘海华
doaj +2 more sources
塔里木沙漠公路防护林土壤微生物生物量与土壤环境因子的关系 [PDF]
, 2009 为探讨极端干旱区风沙土土壤微生物与土壤环境因子的作用规律,采用相关分析法研究了塔里木沙漠公路防护林地土壤微生物生物量与理化因子和酶活性的关系.结果表明:土壤容重和粒径减小(R0.85)时,防护林地中土壤微生物数量和生物量有增大趋势,由容重与微生物量的相关性主导;土壤养分含量与土壤微生物数量和生物量呈正相关,主要由速效养分和放线菌、微生物生物量C、P的相关性所致;土壤酶活性与土壤微生物数量和生物量的相关性差异较大,R在0.51～0.91,主要取决于蔗糖酶、磷酸酶与放线菌、微生物量C的相关 ...
周宏伟 +7 more
core
Effects of Mixing Tree Species on Soil Enzyme Activity and Carbon-Use Efficiency in Eroded Masson Pine Forest [PDF]
[Objective] Soil microbial metabolic efficiency profoundly affects soil nutrient cycling and soil carbon sequestration in the recovery process of eroded and degraded areas. However, it is unclear how tree species mixture affects soil extracellular enzyme
JIANG Yongmeng +7 more
core +1 more source