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Soil water content

Corn root length density and root diameter as affected by soil compaction and soil water content

Corn root length density and root diameter as affected by soil compaction and soil water content

... of soil compaction have been recognized as one of the problems restricting the root system and consequently impairing yields, especially in the Southern Coastal Plain of the ...alleviates soil compaction ...

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ANALYZING SPATIAL AND TEMPORAL VARIABILITY OF SOIL WATER CONTENT (

ANALYZING SPATIAL AND TEMPORAL VARIABILITY OF SOIL WATER CONTENT (

... loam soil in the Central Experimental Farm of Agriculture Canada, Ottawa, for measuring volumetric water content of the surface ...of soil. Therefore, soil water content ...

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CORRECTION OF RESISTANCE TO PENETRATION BY PEDOFUNCTIONS AND A REFERENCE SOIL WATER CONTENT

CORRECTION OF RESISTANCE TO PENETRATION BY PEDOFUNCTIONS AND A REFERENCE SOIL WATER CONTENT

... the soil water content, the procedure proposed here has some important ...different soil compaction levels due to the adjustment of regression equations to estimate |a|, using BD as ...

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ESTIMATES OF SOIL WATER CONTENT USING GROUND PENETRATING RADAR IN FIELD CONDITIONS

ESTIMATES OF SOIL WATER CONTENT USING GROUND PENETRATING RADAR IN FIELD CONDITIONS

... TDR soil water content values for each point of the GPR image illustrated in Figure ...for soil water content were determined by the average of adjacent values (values in ...

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Spatial and temporal patterns of soil water content in an agroecological production

Spatial and temporal patterns of soil water content in an agroecological production

... The soil texture and soil water content across the plot The highest average values of soil water content (SWC) were found at a depth of ...m soil depth was higher ...

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DEVELOPMENT OF CAPACITIVE SENSOR FOR MEASURING SOIL WATER CONTENT

DEVELOPMENT OF CAPACITIVE SENSOR FOR MEASURING SOIL WATER CONTENT

... the soil water content consists in determining the value of its dielectric ...The water soil content is a function of the dielectric ...

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Potassium estimation in the soil solution based on electrical conductivity and soil water content

Potassium estimation in the soil solution based on electrical conductivity and soil water content

... and water samplers were installed in the soil at depths of ...and soil water content ...and soil water content was determined by ...of soil solution was ...

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THE CRITICAL SOIL WATER CONTENT AND ITS RELATION TO SOIL WATER DYNAMICS

THE CRITICAL SOIL WATER CONTENT AND ITS RELATION TO SOIL WATER DYNAMICS

... To illustrate the efficiency of soil water extraction in different situations, TABLE 2 shows the mean matric potential within both soils at both transpiration rates and for different dis[r] ...

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NEUTRON PROBE MEASUREMENT OF SOIL WATER CONTENT CLOSE TO SOIL SURFACE

NEUTRON PROBE MEASUREMENT OF SOIL WATER CONTENT CLOSE TO SOIL SURFACE

... This study contributes to the understanding of neutron probe measurements close to soil surface, suggesting a new approach to define how close to soil surface safe water content measurem[r] ...

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An Alert Regarding a Common Misinterpretation of the Van Genuchten α Parameter

An Alert Regarding a Common Misinterpretation of the Van Genuchten α Parameter

... and soil water content, the soil water retention ...scaling water content from 0 to 1 between residual and saturated values, the BC equation contains two parameters, one ...

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STATE-SPACE APPROACH TO EVALUATE THE RELATION BETWEEN SOIL PHYSICAL AND CHEMICAL PROPERTIES

STATE-SPACE APPROACH TO EVALUATE THE RELATION BETWEEN SOIL PHYSICAL AND CHEMICAL PROPERTIES

... between soil physical and chemical properties in an area cultivated with ...m. Soil water content, soil organic matter, clay content and aggregate stability were sampled along a ...

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Application of a plane-stratified emission model to predict the effects of vegetation in passive microwave radiometry

Application of a plane-stratified emission model to predict the effects of vegetation in passive microwave radiometry

... emission models and their results are summarised below. Non-coherent models estimate emissivity using the dielectric contrast at the air/soil interface and are accurate only when the (variable) sampling depth ...

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CO2, CH4 and N2O fluxes from soil of a burned grassland in Central Africa

CO<sub>2</sub>, CH<sub>4</sub> and N<sub>2</sub>O fluxes from soil of a burned grassland in Central Africa

... analysed soil was characterized by an acidic pH, slightly higher in the burned plots, and relatively low content of total C and N (Table ...of soil mineral N in both sampling campaigns (Table 1), and ...

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LEAST LIMITING WATER RANGE IN SOIL UNDER CROP ROTATIONS AND CHISELING

LEAST LIMITING WATER RANGE IN SOIL UNDER CROP ROTATIONS AND CHISELING

... Soil water availability to plants is affected by soil compaction and other ...Limiting Water Range (LLWR) comprises soil physical variables affecting root growth and soil ...

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Agroforestry, grass, biomass crop and row-crop management effects on soil water dynamics for claypan landscapes

Agroforestry, grass, biomass crop and row-crop management effects on soil water dynamics for claypan landscapes

... Soil water use and water storage varies by vegetative management practice and these practices affect land productivity and hydrologic ...on water use for a claypan soil in northern ...

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FIELD DETERMINED VARIATION OF THE UNSATURATED HYDRAULIC CONDUCTIVITY FUNCTIONS USING SIMPLIFIED ANALYSIS OF INTERNAL DRAINAGE EXPERIMENTS

FIELD DETERMINED VARIATION OF THE UNSATURATED HYDRAULIC CONDUCTIVITY FUNCTIONS USING SIMPLIFIED ANALYSIS OF INTERNAL DRAINAGE EXPERIMENTS

... The internal drainage process of the soil profile was monitored by making simultaneous measurements of the soil water content and soil water pressure head over a period of 20 days.. The [r] ...

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Diurnal pattern of the drying front in desert and its application for determining the effective infiltration

Diurnal pattern of the drying front in desert and its application for determining the effective infiltration

... the soil water balance model, the infiltration and soil water redistribution process in the un- saturated zone could be tracked at any meaningful time scale of ...using soil ...

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Using measured soil water contents to estimate evapotranspiration and root water uptake profiles – a comparative study

Using measured soil water contents to estimate evapotranspiration and root water uptake profiles – a comparative study

... measured soil moisture time series already include information on evapo- transpiration and root water uptake ...a water balance ...that soil water content measurements are ...

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SOIL SPATIAL VARIABILITY AND THE ESTIMATION OF THE IRRIGATION WATER DEPTH

SOIL SPATIAL VARIABILITY AND THE ESTIMATION OF THE IRRIGATION WATER DEPTH

... irrigation water depth involves the knowledge of the actual soil water content before irrigation, of the soil water content at field capacity, and of soil bulk ...

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Cotton root volume and root dry matter as function of high soil bulk density and soil water stress

Cotton root volume and root dry matter as function of high soil bulk density and soil water stress

... alleviate soil compaction ...of soil bulk density and water stress. Three levels of soil density ...of water content (70 and 90% of field capacity) were ...with soil bulk ...

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