Irrigation and Soil Water Content Variability
Characterization of Soil Water Content Variability and Soil Texture Using GPR Groundwave Techniques
... near-surface soil water content is vital for guiding agricultural management decisions and for reducing the potential negative environmental impacts of ...near-surface soil water ...
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Spatial and temporal variability of soil water content
... the soil water content showed an anisotropic behaviour which was stronger on the surface, probably due to the direction of tillage ...All soil properties showed positive nugget, which can be ...
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A non-invasive approach to monitor variability of soil water content with electromagnetic methods
... 3.1. Soil heterogeneities detected by ERI The subsurface of the experimental site is characterized by low electrical resistivity, typical of soils with high content of clay and ...local water table ...
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Irrigation Monitoring with Soil Water Sensors
... the soil surface, but it is important to avoid downward water movement along the surface of the ...the soil at the desired depth (Figure ...with soil around it, making sure good contact is ...
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SOIL AND IRRIGATION WATER INTERPRETATION MANUAL
... nutrient soil test values must correlate with crop growth from fields of known ...date, soil and rainfall/irrigation must be identical in time, quality, and ...responding soil, and one plot is ...
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Automatic Irrigation on Sensing Soil Moisture Content
... required soil moisture content table taken from agriculture database, the result shows that 99% accuracy in average of all the sample soils taken for ...
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Evaluating Soil Water Content Data Monitored at Different Locations in a Vineyard with Regard to Irrigation Control
... The procedure guaranteed a tight contact between the access tubes and the surrounding soil. The monitor- ing profiles were numbered M1–M6. M1, M2, M5, and M6 were placed very next to a dripper; M3 and M4 were ...
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Organic carbon content and its liable components in paddy soil under water saving irrigation
... in soil SOC contents and its liable components, SOC, SMBC and SWEC contents were observed in a rice field under non-flooding irrigation and flooding ir- rigation (FI) in east China, in order to investigate ...
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Measuring Soil Moisture for Irrigation Water Management
... sealed, water-filled tube with a vacuum gauge on the upper end and a porous ceramic tip on the lower ...with water and the porous tip is buried in the soil to the desired depth (Figure ...get ...
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Soil-specific strategic irrigation: saline-sodic water as an irrigation resource
... sodic water will be important for agricultural production in water limited environments, and has been demonstrated as suitable for irrigation on a soil-specific ...practical irrigation ...
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Incorporating spatial variability in soil and crop properties for effective irrigation
... Without the financial support of the Cooperative Research Centre for Irrigation Futures (CRC IF) who offered me the Postgraduate Scholarship I would not have been able to undertake this study. I would also like to ...
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Incorporating spatial variability in soil and crop properties for effective irrigation
... Without the financial support of the Cooperative Research Centre for Irrigation Futures (CRC IF) who offered me the Postgraduate Scholarship I would not have been able to undertake this study. I would also like to ...
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Modelling the impacts of in-field soil and irrigation variability on onion yield
... for irrigation coupled with increasing consumer demands for traceability and environmental sustainability are also exerting new pressures on current approaches to onion ...on water saving to reduce ...
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Nested Scales of Spatial and Temporal Variability of Soil Water Content Across a Semiarid Montane Catchment
... shallow soil moisture are variable across catchments (Lin, 2011; Western et ...spatial variability of VWC at different catchment wetness ...the variability of individual locations in the context of ...
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Locating the Variability of Soil Water Holding Capacity and Understanding Its Effects on Deficit Irrigation and Cotton Lint Yield
... full irrigation was being used to replenish the soil profile to its field capacity on each cycle, the standard errors shown in Table 3 could prove ...deficit irrigation techniques, enough flexibility ...
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Field Estimation of Soil Water Content
... 4.3. TAKING MEASUREMENTS 4.3.1. General procedure The datalogger or computer is used to locate the waveform reflected from the probe. This involves determination of a start point and a stopping point, both usually ...
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AUTOMATED SOIL WATER TENSION-BASED DRIP IRRIGATION FOR PRECISE IRRIGATION SCHEDULING
... Optimal irrigation scheduling, irrigation control and drip line layout to increase water productivity and profit in subsurface drip irrigated ...agriculture. Irrigation and Drainage 64, ...
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Effects of alternate moistube-irrigation on soil water infiltration
... of water-saving irrigation, and research on water infiltration with alternate moistube-irrigation is important for the design of irrigation schemes and helpful to understand and apply ...
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Irrigation Decisions Simplified with Electronics and Soil Water Sensors
... where T is the soil water suction, i.e., the negative matric potential in kPa, R is the resistance of the block, t the days since the last irrigation or rain, At the number of days[r] ...
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Effects of irrigation water salinity on soil salt content distribution, soil physical properties and water use efficiency of maize for seed production in arid Northwest China
... Jiangxi Water Resources Institute, Nanchang 330013, China; ...Agricultural Water Research in China, China Agricultural University, Beijing 100083, China) Abstract: In order to explore the use of groundwater ...
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