搜索结果: 1-15 共查到“农学 soil water”相关记录62条 . 查询时间(0.106 秒)
Soil water deficit as a tool to measure water stress and inform silvicultural management in the Cape Forest Regions, South Africa
Soil Water Availability Climatic Gradient Slash Pine Monterey Pine Edaphic Properties
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2024/1/19
An understanding of variations in water availability to plantation forests on a spatial and temporal scale is essential when designing risk averse and site-specific silvicultural management regimes. V...
Functional traits indicate a continuum of tree drought strategies across a soil water availability gradient in a tropical dry forest
Tropical dry forest Soil moisture content Functional guilds Drought avoidance Drought resistance Drought tolerance
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2024/1/12
This study evaluates drought survival mechanisms of tropical dry forest (TDF) trees based on their functional traits (FTs). We addressed the following questions: (i) What are the dominant functional g...
SPATIO-TEMPORAL VARIATIONS OF SOIL WATER USE IN THE GROWING SEASON IN NORTHEAST CHINA USING MODIS DATA
Soil Water Use Gross Primary Productivity Visible and Shortwave Infrared Drought Index (VSDI) MODIS Spatio-temporal Pattern Growing Season Northeast China
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2018/5/11
Water use efficiency is known as an important indicator of carbon and water cycle and reflects the transformation capacity of vegetation water and nutrients into biomass. In this study, we presented a...
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
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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...
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
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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 ...
On parameterization of heat conduction in coupled soil water and heat flow modelling
advective heat flux dual-permeability model preferential flow soil heat transport soil thermal conductivity surface energy balance
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2015/3/5
Soil water and heat transport plays an important role in various hydrologic, agricultural, and industrial applications. Accordingly, an increasing attention is paid to relevant simulation models. In t...
Comparison of two sensors ECH2O EC-5 and SM200 for measuring soil water content
bulk density CaCO3 ECH20 soil moisture sensor EC-5 fraction of sand particles SM200 sensor soil and soil water salinity soils of the Czech Republic soil water content
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2015/3/3
The goal of this study was calibration of the ECH20 soil moisture sensor EC-5 and the sensor SM200 for selected soils of the Czech Republic. Based on the soil maps of the Czech Republic and various cl...
Influence of the degree of soil organic matter lability on the calcium carbonate equilibrium of soil water
calcium carbonate equilibrium degree of lability liming need soil organic matter soil water
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2015/3/2
In average samples of three sandy-loamy acid Cambisols from a South Bohemian area labile organic matters were determined by the permangate method modified by the dichromate method, and the rate consta...
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
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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...
A brief overview of the causes, impacts and amelioration of soil water repellency – a review
soil water repellency hydrophobicity agriculture land management water shortages
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2015/2/3
This article describes the phenomenon of soil water repellency, starting from the fundamental principals of water transport and storage in soil. Soil water repellency is a reduction in the rate of wet...
Using the sensitivity of biomass production to soil water for physiological drought evaluation
physiological drought soil water content transpiration biomass production mathematical modelling maize
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2015/2/3
The analysis of drought as a phenomenon and the proposal of how to define and quantify the deficiency of water in soil for plants, so called physiological drought, are described. The presented approac...
Soil water regime estimated from the soil water storage monitored in time
ecology classification soil water regime soil water content monitoring soil water storage
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2015/2/3
During the vegetation season, the water storage in the soil aeration zone is influenced by meteorological phenomena and by the vegetated cover. If the groundwater table is in contact with the soil pro...
Development of air pollutant deposition, soil water chemistry and soil on Šerlich research plots, and water chemistry in a surface water source
mountain forest stands deposition precipitation water chemistry soil water chemistry water chemistry in water sources soil chemistry
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2015/2/2
In 1986 (1987) research plots were established in a forest stands on the south-western slope of Šerlich Mt., Orlické hory Mts. (Kristina Colloredo-Mansfeld – Forest Administration Opočno), a...
Analysis of Soil Water Response to Grass Transpiration
evapotranspiration root water uptake water stress function Richards’ equation preferential flow dual-permeability model lysimeter
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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...
Natural vegetation management to conserve biodiversity and soil water in olive orchards
Olea europaea productivity tillage vegetation cover
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2014/10/28
The combined impact of soil tillage intensification and expansion of olive farming is resulting in soil degradation and biodiversity decline. We hypothesized that, instead of tilling, mowing to contro...