Shuitu Baochi Xuebao, 2004 通过室内短期培养实验，利用δ^13C的方法研究了小麦秸秆分解过程中黑土有机碳组分的变化规律。结果表明：有机物料本身含有相当数量的腐殖物质，这些物质的加入对土壤中有机碳的更新与活化有重要的作用。黑土中添加小麦秸秆后，土壤有机碳各组分的含量明显增加。随着培养时间的延长，土壤有机碳各组分的含量在不断变化，新形成的和原土中的HA与FA间发生转化，而且主要以FA向HA转化为主，原土的HA与FA间的转化速度比新形成的HA和FA的转化速度相对较慢。最初FA的形成速度大于HA的速度。随着培养时间的延长 ...
刘淑霞 刘景双 王金达 于君宝 魏丽红
doaj +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
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
Factors Influencing Spatial and Temporal Characteristics of Organic Carbon Loading to Rivers From Sediment in Small Watersheds in Sugarcane Areas [PDF]
, 2023 [Objective] The spatial and temporal characteristics and influencing factors of soil organic carbon loss from sugarcane in a typical small watershed in the red soil area of Guangxi Zhuang Autonomous Region were determined, and the spatial and temporal ...
Chen Tingting +8 more
core +1 more source
Effects of Desertification on Phosphorus Fractions of Alpine Meadow Soils [PDF]
, 2023 [Objective] Soil phosphorus fractions determine the migration and availability of phosphorus during soil evolution. The spatial distribution characteristics of soil phosphorus fractions in alpine meadows under different desertification levels were ...
Gao Yongheng +5 more
core +1 more source
Relationship Between Land Use Carbon Balance and Human Activity Intensity in Tuojiang River Basin [PDF]
, 2023 [Objective] The synergistic relationship between land use carbon balance and human activity intensity were studied in order to provide a reference for regional collaborative carbon emission reduction planning in the Tuojiang River basin, and thereby meet
Gao Xuesong, Wang Qi, Zhang Wenying
core +1 more source
Nutrient Characteristics and Factors Influencing Surface Soil with Gully Erosion on Sloping Farmland for Low Hilly Terrain in Black Soil Area [PDF]
, 2023 [Objective] The soil nutrient characteristics and influencing factors of surface soil gully erosion for low hilly terrain in the black soil area were studied in order to provide data and theoretical support for the rational use of land resources ...
He Xuyang +7 more
core +1 more source
Effects of Different Mulching Measures on Distribution of Organic Carbon and Inorganic Carbon in Soil Aggregates Under Spring Maize Cultivation [PDF]
, 2023 [Objective] The effects of different mulching methods on the distribution of organic and inorganic carbon in soil aggregates on the Loess Plateau, and the mechanism under which soil aggregates sequester carbon under mulched conditions were determined in ...
Li Meng +8 more
core +1 more source
Long-term straw incorporation significantly reduced subsoil organic carbon stock in cinnamon soil [PDF]
, 2020 peer ...
Xu, Hu +5 more
core +1 more source
Effects of Different Logging Residue Treatments on Acid Hydrolyzed Soil Organic Carbon Fractions and Soil Microbial Communities in a Chinese Fir Plantation [PDF]
[Objective] Acid hydrolyzed soil organic carbon fractions are important in soil, and the changes of their contents will affect soil microbial community composition.
GUO Jianfen +5 more
core +1 more source