... monitor and verify soil- carbon pools and fluxes of greenhouse gas emissions Introduction burning, land drainage, mechanical seedbed preparation and nutrient mining through extractive farming practices ... listed below and provides a unifying conceptual framework that combines all mechanisms into a single and provocative model i) Soil aggregation and carbon sequestration ii) interaction of carbon with ... References Andrén, O and T Kätterer 2001 “Basic Principles for Soil Carbon Sequestration and Calculating Dynamic Country-level Balances Including Future Scenarios” in Lal, R., J.M Kimble, R.F Follett and
Ngày tải lên: 02/07/2020, 23:34
... manure and crop residues is advantageous in increasing organic matter in soil Land use change The land use pattern of India indicates that cropland dominates and followed by forestland The land ... health indicator since it is involved in maintaining important ecosystem functions in soil including organic carbon (C) accumulation, infiltration capacity, movement of water and root and microbial ... squeezing of carbon out of the atmosphere and its absorption and storage/uptake in a terrestrial or aquatic body Capturing and storage carbon in biomass and soils in the agriculture, horticulture and
Ngày tải lên: 27/09/2020, 15:28
mangroves as a major source of soil carbon storage in adjacent seagrass meadows
... I. Wayan Eka Dharmawan2, Xijie Yin1 & Bin Chen1 Mangrove forests have the potential to export carbon to adjacent ecosystems but whether mangrovederived organic carbon (OC) would enhance the soil OC storage in seagrass ... found significant spatial variation in both soil OC concentration and storage, with values decreasing toward sea, and the contribution of mangrovederived carbon also reduced with distance from ... higher soil OC concentrations, soil OC with lower δ 13C, and lower bulk density than those at the non-mangrove adjacent meadows Soil OC storage to 30 cm depth ranged from 3.21 to 6.82 kg C m−2, and
Ngày tải lên: 04/12/2022, 15:12
Synergism of rhizobium and rhizobacteria on growth, symbiotic parameters, soil quality and grain yield in summer mungbean (Vigna radiata L. Wilczek)
... nodulation (62 and 86%), dry weight of root (44 and 57%) and shoot (26 and 45%) were recorded in co– inoculation of Mesorhizobium sp and Pseudomonas aeruginosa over uninoculated control in pot and field ... deaminase activity and in vitro compatibility of Rhizobium sp with PGPR More grains per pod recorded in our study might have leaded to more assimilates stored in grain and in turn increase in ... indicates the number of microorganisms present in the soil Co–inoculation treatment significantly increased soil DHA with LSMR1+LSRB3 (48.48 and 51.34µg/TPF/g /soil/ h) and LSMR1+LSRB2 (43.69 and
Ngày tải lên: 15/05/2020, 12:58
Effect of long-term use of inorganic fertilizers, organic manures and their combination on soil properties and enzyme activity in rice-rice cropping system
... 469-486 Many tropical soils are poor in nutrients and rely on the recycling of nutrients from soil organic matter to improve and maintain crop productivity Intensive cultivation, growing of exhaustive ... application of organics and inorganics and sustained the productivity The minimum available nitrogen was observed in control (T1) At initial, tillering, panicle initiation and at harvesting stage, significantly ... Similar results were obtained in both the years of study during kharif and rabi season at initial stage These results were in close conformity with the findings of Kumar and Singh (2010) The organic
Ngày tải lên: 29/05/2020, 17:40
Effects of long term use of sodic water irrigation, amendments and crop residues on soil properties and crop yields in rice–wheat cropping system in a calcareous soil
... in a gradual increase in soil pH and exchangeable sodium percentage (ESP), deterioration of soil physical properties, and decrease in yields of both rice and wheat The cumulative yield loss in ... non-saline calcareous sandy loam soil (Typic Ustochrept) in northwestern, India The irrigation water treatments included good quality canal water (CW) and sodic water (SW) with residual sodium carbonate ... irrigation, amendments and crop residues on soil properties and crop yields in rice–wheat cropping system in a calcareous soil O.P Choudhary a,∗ , B.S Ghuman a , Bijay-Singh a , N Thuy b , R.J
Ngày tải lên: 19/10/2022, 17:54
effects of organic and inorganic materials on soil acidity and phosphorus availability in a soil incubation study
... effect, in terms of increased Olsen P, when inorganic P sources were applied in combination with OMs In general, the combined application of organic and inorganic P sources resulted in observed increases ... J M Anderson and J S I Ingram, Tropical Soil Biology and Fertility: A Handbook of Methods, CAB International, Wallingford, UK, 2nd edition, 1993 S R Nelson and and L E Sommers, “Organic carbon, ” ... workers (e.g., [15, 16]) The principal mechanisms involved in increasing soil pH by various types of OMs differ considerably and according to [17], and a broad distinction can be made between the
Ngày tải lên: 02/11/2022, 09:28
EFFECTS OF BIOCHAR AMNEDMENTS AND WATER MANAGMENT REGIMES ON SOME SOIL CHEMICAL AND BIOLOGICAL CHARACTERISTICS IN PADDY SOIL AT BINH THUY DISTRICT, CAN THO CITY
... T (2012) Effects of alternating wetting and drying versus continuous flooding on fertilizer nitrogen fate in rice fields in the Mekong Delta, Vietnam Soil Biology and Biochemistry, 47, 166-174 ... characteristics in paddy soil at Binh Thuy district, Can Tho city Alternative wetting and drying, arbuscular mycorrhizal fungi, biochar, continuous flooding ABSTRACT The aim of this study was to investigate ... Eswaran, H (1985) Physical and chemical soil condition Soil physical and rice International rice research institute Losbanos, Languna Philippine p 42 Franchini, J C., Crispino, C C., Souza, R A.,
Ngày tải lên: 22/04/2024, 14:17
Soil organic carbon, carbon sequestration, soil microbial biomass carbon and nitrogen and soil enzymatic activity as influenced by conservation agriculture in pigeonpea and soybean
... formula Ninhydrin reactive N in fumigated soil Ninhydrin reactive N in unfumigated soil MBC g of soil = - x 24 Weight of soil sample Ninhydrin reactive N in fumigated soil Ninhydrin reactive ... vegetation Soil C pool comprises soil organic carbon (SOC) and soil inorganic carbon (SIC) pool (Lal, 2004) Soil organic carbon and carbon sequestration builds soil fertility, improves soil quality, ... 2018 Soil Organic Carbon, Carbon Sequestration, Soil Microbial Biomass Carbon and Nitrogen and Soil Enzymatic Activity as Influenced by Conservation Agriculture in Pigeonpea and Soybean Intercropping
Ngày tải lên: 15/05/2020, 12:13
Toward optimal soil organic carbon sequestration and soil physical properties with effects of conservation tillage, organic and synthetic fertilizers under RWCS in an inceptisol: A review
... the soil erodibility and appear to play an important role in maintaining the stability of soil structure Almost 90% of SOC exists in the form of aggregates in the topsoil Therefore, study of intra-aggregate ... 5.8%, 6.8%, and 7.9% of bulk soil, >0.25 mm aggregate, and 0.25 mm and 0.25 mm aggregate, and 0.25 mm aggregate by 11.3%, and 0.25 mm aggregate, and 0.25 mm Carbon restoration in soil profile ... residue retention, and tillage practices on soil organic carbon pools and soil residual fertility retained least amount of SOC in sub-surface (9.05 gkg-1 soil aggregates) soil In comparison with
Ngày tải lên: 28/09/2020, 17:26
Biomass and carbon sequestration prediction models for acacia mangium willd plantations in thai nguyen province, viet nam
... and Carbon Sequestration of Forest Ecosystems 18 Studies on Biomass and Carbon Sequestration in the World 23 Studies on Biomass and Carbon Sequestration in Vietnam 27 Studies on Biomass and Carbon ... Stand Variables 92 Sample Variables 98 Biomass and Carbon Estimation of Sample Tree and Stand 104 Green Biomass of Individual Tree and Stands 105 Dry Biomass and Carbon of Individual Trees and ... LM FLORECE, MG CARANDANG, and R L LAPITAN Carbon Stock Potential of Benguet Pine (Pinus kesiya Royle ex Gordon) Stands within a Mining Site in Padcal, Benguet Province, Philippines Ecosystems &
Ngày tải lên: 15/10/2018, 11:51
Conservation tillage impact on topsoil and deep soil aggregation and aggregate associated carbon fractions and microbial community composition in subtropical India: A review
... organic carbon has been suggested as a sensitive indicator of changes in soil organic matter Conservation tillage (NT and S) increased microbial metabolic activities and microbial index in >0.25 and ... Impact on Topsoil and Deep Soil Aggregation and Aggregate Associated Carbon Fractions and Microbial Community Composition in Subtropical India: A Review Rajendra Kumar1*, R K Naresh1, Robin Kumar2, ... genesis in attempts to identify and isolate soil organic matter (SOM) fractions that reflect the impacts of climate, soil physiochemical properties and physical disturbance on the soil organic carbon
Ngày tải lên: 12/03/2020, 22:29
Carbon Sequestration in Forest Ecosystems pot
... established is increasing, the importance of the remaining existing forests in maintaining the global carbon cycle cannot be understated By bringing current knowledge on carbon sequestration in forest ... disturbances in peatlands, and in forests affected by mining activities and urbanization on C sequestration in forests In the following Chapter 4, C influx- and efflux processes, C turnover and C pools ... different above- and belowground pools in plant, animal and microbial biomass, and in soil organic matter (SOM) Increases in atmospheric CO2 concentrations and temperature, and changes in rainfall patterns...
Ngày tải lên: 28/03/2014, 10:20
Carbon sequestration in sub-tropical soils under rubber plantations in north-east India potx
... forest in the Indian state of Tripura since 1975 to improve degraded lands, generate income for locals, and meet increasing demand for rubber It is expected that reforestation of degraded lands ... surface soil compared to a non-linear increase in subsurface soil However, both CNOX and CT stocks increased quadratically over time Summing the C content over soil depth, the profile-wise accumulation ... Conclusions Standing biomass, biomass C content, and annual litter-fall of rubber plants quadratically and significantly increased Greater accumulation litter-fall on the surface linearly and significantly...
Ngày tải lên: 31/03/2014, 09:21
carbon sequestration in agricultural soils a multidisciplinary approach to innovative methods
... Carbon Sequestration in Agricultural Soils Alessandro Piccolo Editor Carbon Sequestration in Agricultural Soils A Multidisciplinary Approach to Innovative Methods Editor Prof Dr Alessandro ... • • • • Increase in average temperature in Europe Decrease in rainfall in Southern Europe Increase in rainfall in Northern Europe Possible increase in the frequency of heavy rainfall events across ... sources and sinks in forest land and related land-use changes In 2009, a technical group, formed by experts from different institutions (ISPRA; Ministry of the Environment, Land and Sea; Ministry...
Ngày tải lên: 29/05/2014, 14:41
precipitation effects on soil carbon cycling in the sonoran desert
... precipitation vary in magnitude and timing, altering the depth of water infiltration and the duration of high soil moisture (Weltzin et al 2003, Schwinning and Sala 2004) Variation in soil moisture ... events is critical to understanding soil moisture availability Rain falls as discrete events (pulses) that vary in size and sequencing, resulting in soil “wet-dry cycles” Soil organisms are responsive ... gaining a mechanistic understanding of the changes in soil carbon processes with vegetation change will be important in determining how precipitation change will affect ecosystem function in...
Ngày tải lên: 13/11/2014, 09:11
Green chimney localized carbon sequestration in closed environment
... and other terrestrial options for the environmental reason, such as helping to maintain food security and secure land tenure in developing countries, increasing farm income, restoring and maintaining ... term Carbon sequestration by soil due to reduction in CH4 soil sink Furthermore, using soil in the study would result in a complex system of photobioreactor, thus requiring complex modeling and ... (Cohen and Waddell, 2009) In addition, removing CO2 by using biosequestration is not merely about reforestration and land management, broadly it includes the carbon capture and sequestration by using...
Ngày tải lên: 07/10/2015, 10:10
Green chimney localized carbon sequestration in closed environment
... and other terrestrial options for the environmental reason, such as helping to maintain food security and secure land tenure in developing countries, increasing farm income, restoring and maintaining ... term Carbon sequestration by soil due to reduction in CH4 soil sink Furthermore, using soil in the study would result in a complex system of photobioreactor, thus requiring complex modeling and ... (Cohen and Waddell, 2009) In addition, removing CO2 by using biosequestration is not merely about reforestration and land management, broadly it includes the carbon capture and sequestration by using...
Ngày tải lên: 13/10/2015, 15:54
Báo cáo lâm nghiệp: "Carbon accumulation in Finland’s forests 1922–2004 – an estimate obtained by combination of forest inventory data with modelling of biomass, litter and soil" potx
... origin, and the transfers of carbon in litter and soil between forests and other land uses in Finland’s forests between 1922 and 2004 Figure Annual changes in the carbon stock of litter and soil ... Carbon fluxes in Finland’s forests between 1922 and 2004 Figure Average carbon budget of Finland’s forests in the 1990s (carbon fluxes and annual changes in the carbon stocks (in parentheses) in ... carbon per forested area in forests remaining as forests and an expanded forested area (see Fig 1) Carbon accumulated mainly in the biomass of trees, Carbon sink of Finland’s forests Figure Carbon...
Ngày tải lên: 07/08/2014, 16:20
Báo cáo lâm nghiệp: "Soil carbon dioxide efflux in pure and mixed stands of oak and beech" potx
... higher in the beech and mixed stands The soils of all stands are well drained; the ground water is below 1.5 m depth during the growing season and rises in winter up to 3045 cm depth In each stand, ... tested, using contrasts in association with a linear mixed model containing the following variables: stand, moisture treatment, the interaction between stand and moisture treatment, and the two random ... allocation [3], and on soil microclimate [2] In addition, interactions between species in mixed stands have been reported in some instances [40], which might aect soil respiration Table I Mean stand characteristics...
Ngày tải lên: 07/08/2014, 16:20