搜索结果: 1-15 共查到“土壤学 organic carbon”相关记录16条 . 查询时间(0.082 秒)
Interactive effects of arbuscular mycorrhizae and maize (Zea mays L.) straws on wheat (Triticum aestivum L.) growth and organic carbon storage in a sandy loam soil
Glomus caledonium rhizosphere acidification root-to-straw ratio soil enzyme straw return
2015/3/10
A pot experiment was conducted to study interactive effects of arbuscular mycorrhizae (AMs) and maize (Zea mays L.) straws on wheat (Triticum aestivum L.) growth and organic carbon (C) storage in a st...
Effect of agricultural lands afforestation and tree species composition on the soil reaction, total organic carbon and nitrogen content in the uppermost mineral soil profile
acidification afforestation carbon nitrogen soil reaction
2015/3/10
Forests occupy one third of the world’s land area and govern carbon (C) transfers and influence nitrogen (N) content in the biosphere. Afforestation leads to soil changes of specific dynamics, often a...
Soil organic carbon dynamics and its influence on the soil erodibility factor
agrotechnical erosion control measures soil erodibility factor soil erosion soil organic carbon
2015/3/5
The effect of erosion and erosion control measures on changes in the amount of organic matter in soil was studied. We investigated the influence of organic matter inputs into the soil on surface runof...
Simulation of soil organic carbon changes in Slovak arable land and their environmental aspects
agricultural management long-term simulation RothC model soil organic carbon soil quality
2015/3/5
One of the key goals of the Thematic Strategy for Soil Protection is to maintain and improve soil organic carbon (SOC) stocks. A decline of SOC stocks is politically perceived as a serious threat to s...
Modelling soil organic carbon changes on arable land under climate change – a case study analysis of the Kočín farm in Slovakia
arable land climate change Kocín farm Slovakia soil organic carbon
2015/3/3
We have estimated soil organic carbon and crop yield changes under distinct climate change scenarios for the Kočín farm in Slovakia. Two regional climate change scenarios, i.e. the A2 and B2 SRES...
Application of RothC model to predict soil organic carbon stock on agricultural soils of Slovakia
agricultural land RothC Slovakia soil organic carbon
2015/3/2
Soil organic matter (SOM) takes part in many environmental functions and, depending on the conditions, it can be a source or a sink of the greenhouse gases. Presently, the changes in soil organic carb...
Using the DNDC model to compare soil organic carbon dynamics under different crop rotation and fertilizer strategies
crop yield fertilization croplands
2014/10/23
Soil organic carbon (SOC) plays a vital role in determining soil fertility, water holding capacity and susceptibility to land degradation. On the Chinese Loess Plateau, a large amount of crop residues...
Organic carbon dynamics and enzyme activities in agricultural soils amended with biogas slurry, liquid manure and sewage sludge
Biogas Slurry Organic Wastes Organic Carbon Dynamics
2013/2/27
The application of organic soil amendments is a common practice for increasing soil fertility and soil organic carbon (SOC) content. In recent years, a new product from biogas production, biogas slurr...
Assessment of soil quality using soil organic carbon and total nitrogen and microbial properties in tropical agroecosystems
Agroecosystems Microbial Biomass Soil Organic Carbon Soil Total Nitrogen Tropical
2013/3/4
Assessment of soil quality is an invaluable tool in determining the sustainability and environmental impact of agricultural ecosystems. The study was conducted to assess the quality of the soils under...
Loss on ignition: Measuring soil organic carbon in soils of the Sahel, West Africa
Loss on ignition Sahel Mali Africa carbon sequestration
2011/1/13
Traditional methods of measuring soil organic carbon (SOC) are not adequate for accurate evaluation of C sequestration nor to meet environmental safety requirements. Methods that permit accurate asses...
Evaluation of methods for measuring soil organic carbon in West African soils
Soil organic carbon loss on ignition dichromate oxidation
2011/1/12
Increased interest in implementing projects in the Sahel region of Africa for sequestration of atmospheric carbon dioxide in soil organic matter has intensified the need for methods that accurately me...
Land use effect on soil and particulate organic carbon, and aggregate stability in some soils in Tunisia
Land use soil organic carbon particulate organic carbon
2011/1/11
Conversion of native forests to cultivation is usually accompanied by a decline in soil organic carbon and nutrients, and deterioration of soil structure. Our knowledge of this process must increase i...
Rainfall and Manure Application Timing Affect Organic Carbon Losses
Rainfall and Manure Application Organic Carbon
2009/12/16
Dissolved organic carbon (DOC) losses from tile drains are an underquantified portion of the terrestrial carbon cycle. This is particularly important in the eastern corn belt where tile drainage domin...
The Influence of Clay Content, Organic Carbon and Land Use Types on Soil Aggregate Stability and Tensile Strength
Tensile strength GIS soil aggregate stability organic carbon clay content
2009/1/13
Soil tensile strength (TS) and aggregate stability (AS) values can be used as indicators of soil structural quality. The objective of this study was to determine the influences of land use types, soil...
Standard and modified methods for soil organic carbon determination in agricultural soils
soil organic carbon agricultural soils determination methods
2010/1/15
The presented study demonstrates the benefits of using modified vertical photometry methods for rapid, reliable and accurate soil organic carbon determination in agricultural soils. For tests we selec...