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On-line technique for preparingand measuring stable carbon isotopeof total dissolved inorganic carbonin water samples ( d13CTDIC)
carbon isotope composition Total Inorganic Carbon
2015/9/10
A fast and completely automated procedure is proposed for the preparation and determination of d13C of total
inorganic carbon dissolved in water ( d13CTDIC). This method is based on the acidification...
Evaluation of Different Soil Water Potential by Field Capacity Threshold in Combination with a Triggered Irrigation Module
field water capacity dual-porosity model HYDRUS-1D
2015/7/30
Irrigation efficiency improvement requires optimization of its parameters like irrigation scheduling, threshold and
amount of water usage. If these parameters are not satisfactorily optimized, negat...
Water Stability of Soil Aggregates in Different Systems of Tillage
conventional tillage shallow disking soil structure
2015/7/28
The influence of various agrotechnical measures on macrostructural changes in topsoil and subsoil was studied
in the course of a four-year experiment. Macrostructure was evaluated according to the a...
Identifying the Origin of Soil Water Repellency at Regional Level Using Multiple Soil Characteristics: The White Carpathians and Myjavska Pahorkatina Upland Case Study
land-use molarity of an ethanol droplet (MED) soil organic carbon
2015/7/28
This paper evaluates the relationship between water repellency and multiple characteristics of topsoil samples
belonging to seven Reference Soil Groups, taken from the area of the White Carpathians ...
Long-term improvement in surface water quality after land consolidation in a drinking water reservoir catchment
land use protection zone soil and water conservation water pollution
2015/3/13
The aim was to explore how soil and water conservation measures, applied in the process of land consolidation, affected nutrient concentrations in surface waters of the Hubenov drinking water reservoi...
Soluble and Insoluble Pollutants in Fog and Rime Water Samples
fog water rime water pollutant concentration
2015/3/1
Fog and rime water samples were collected at the meteorological observatory Milešovka in February
and june 2006. In the samples, the soluble and insoluble pollutant concentrations were evaluate...
A Chernozem soil water regime response to predicted climate change scenarios
climate change SWAP simulation modelling soil moisture soil tillage Chernozem soil water conservation direct drilling
2015/2/3
Climate, hydrology and vegetation are closely linked at local, regional and global scales. The recent land use and plant production systems are adapted to the present climatic conditions. Thus, studie...
Variability of water repellency in sandy forest soils under broadleaves and conifers in north-western Jutland/Denmark
critical surface tension Denmark forest soils hydrophobicity water drop penetration time water repellency
2015/2/3
Soil water repellency has important consequences for ecological and hydrological properties of soils and usually retards infiltration capacity and induces preferential flow. This phenomenon has been k...
Analysis of Soil Water Response to Grass Transpiration
evapotranspiration root water uptake water stress function Richards’ equation preferential flow dual-permeability model lysimeter
2015/1/28
This paper focuses on numerical modelling of soil water movement in response to the root water uptake that is driven by transpiration. The flow of water in a lysimeter, installed at a grass covered hi...
Simulating water distribution patterns for fixed spray plate sprinkler using the ballistic theory
ballistic model center-pivot kinetic energy losses
2014/10/28
Ballistic simulation of the spray sprinkler for self-propelled irrigation machines requires the incorporation of the effect of the jet impact with the deflecting plate. The kinetic energy losses produ...
Improving the water productivity of paddy rice (Oryza sativa L.) cultivation through water saving irrigation treatments
Pot Experiments Water Management Wetting and Drying
2013/3/5
Rice grows well under certain condition and environment including soil, water and nutrients. Some researches have shown that traditional method with continues flooding need tremendeous amount of water...
Cropping frequency and N fertilizer effects on soil water distribution from spring to fall in the semiarid Canadian prairies
Fallow Frequency Water Use Plant Biomass Spring Wheat Soil Water
2013/3/4
In the semiarid Canadian prairies, water is the most limiting and nitrogen (N) the second most limiting factor influencing spring wheat (Triticum aestivum L.) production. The efficiency of water-and n...
Soil fertility effect on water productivity of maize in the upper blue nile basin, Ethiopia
AquaCrop Simulation Water Productivity Soil Fertility Nitisols
2013/3/4
Maize (Zea mays) is among the major cereals grown in the high rainfall areas of the subSaharan Africa’s (SSA) such as the Ethiopian part of the Blue Nile basin. However, its productivity is severely c...
Effects of Temperature,Water Regime,Light,and Soil Properties on 15N2 Fixation Associated with Decomposition of Organic Matter in Paddy Soils
heterotrophic N2 fixation photodependent N2 fixation
2009/9/10
Effective utilization of the biological nitrogen fixation (BNF) activity is important for enhancing the N fertility of paddy soils and for developing sustainable rice cultivation systems. To analyze t...
Interactive Effects of Soil Water Regime with Above-Ground Conditions on Photosynthesis in Wheat Plants:II. Combined effects of soil water deficit with low air humidity
Humidity Leaf position Photosynthesis Ribulose 1 5-bisphosphate carboxylase/oxygenase
2009/8/6
Effects of soil water deficit, low air humidity and in combination were examined at the milky stage under controlled conditions. Low air humidity which plants experienced prior to measurement affected...