Soil drying and re-wetting
Soil drying and re wetting effects on phosphorus availability and plant yields
... whether soil DRW would increase P availability with realistic drying ...Initial soil DRW significantly increased P availability, although contrary to expectations, soil P availability was not ...
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Effective Stress and Compressibility of Unsaturated Clayey Soil under Drying and Wetting Cycles
... unsaturated soil, drying and wetting, effective stress, compressibility 1 Introduction The environmental conditions of every region are deter- mined by its ...its soil conditions. So, in its ...
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Laboratory Investigation Of The Suction Of Peat Soil In Drying And Wetting Process
... in soil suction ...peat soil samples were placed on sample containers. Soil sample filling in the sample container is fully cultivated to reduce equilibrium time and minimize the suction change in ...
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Consolidation behavior of an unsaturated silty soil during drying and wetting
... tube was then screwed to the base. After preparing the moulds the slurry was poured slowly into each mould. In order to achieve an equilibrium condition this mixture was covered with a nylon wrap and kept for about two ...
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Quantification of hysteresis effects on a soil subjected to drying and wetting cycles
... of soil hysteretic response during drying-wetting cycles is required to improve prediction of the soil water retention ...of soil water flow ...initial drying curves, dynamic ...
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Hysteresis between wetting and drying processes as affected by soil aggregate size
... chosen soil water potentials and aggregate sizes but also for the type of ...all soil water potential values ie ...between drying and wetting increased with increase of soil water ...
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Laboratory investigation of the effect of cyclic wetting and drying on the behaviour of an expansive soil
... cyclic wetting and drying under the same surcharge pressure as the main ...the drying stage. In order to plot the wetting path within each cycle, at least six or seven duplicated samples were ...
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Effects of Alternate Wetting and Drying on CBR of Coir Fibre Reinforced Black Cotton Soil
... of soil under it. In case of construction in soft soil, ground improvement by soil stabilization or soil reinforcement is usually ...of wetting and drying, cycles of freezing and ...
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Hydrochemical Effect of Different Quality of Water on the Behaviour of an Expansive Soil During Wetting and Drying Cycles
... subsequent drying stage. Deformation is increased during wetting and decreased during drying stage by increasing the number of ...for wetting and ...of wetting and drying ...
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X-ray microtomography analysis of soil pore structure dynamics under wetting and drying cycles
... X-ray microtomography analysis of soil pore structure dynamics under wetting and drying cycles1. Luiz F.[r] ...
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Field quantification of wetting–drying cycles to predict temporal changes of soil pore size distribution
... by soil moisture, with dry soil reducing its impact on the hydraulic ...general drying phase, expressed in our model by a high cumulative ET 0 or high ...
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Alternate wetting and drying irrigation for rice cultivation
... benefits of water saving and human disease control, while maintaining rice yields at least at the same level. However, many factors play a role in determining the success or failure of AWDI. Some of these factors can be ...
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Rice cultivation and soil properties as affected by Alternative Wetting and Drying irrigation in Chau Thanh, An Giang province
... Keywords: Alternate wetting and drying irrigation, Jasmine rice, soil properties, Water use efficiency, yield 1. Introduction For nearly half of the world’s population (2.7 billion people), rice ...
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ASTM D 559-96 Standard Test Method for Wetting and Drying Compacted Soil-cement Mixtures
... the soil-cement mixture to optimum water content at the time of compaction and mix ...the soil used is a heavy textured clayey material, compact the mixture of soil, cement, and water in the ...
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The effect of wetting and drying cycles and carbonation on thaumasite formation.
... 27 increased to values of about 10.5-11.33 towards the thaumasite affected concrete-soil interface. In the presence of magnesium sulfate the lower concentration of sulfate leads to a higher pH value as there is ...
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Moisture, Water Holding, Drying and Wetting in Forest Soils
... 3.2. Drying Experiments A comparison of fresh wet soils and the same soils dried at 30 ˚C is shown in Table ...after drying of the ...three drying experiments with soil A. The drying ...
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Interaction between contrasting rice genotypes and soil physical conditions induced by hydraulic stresses typical of alternate wetting and drying irrigation of soil
... interaction between contrasting rice genotypes, soil structure and mechanical impedance 29.. influenced by hydraulic stresses typical of AWD.[r] ...
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Interaction between contrasting rice genotypes and soil physical conditions induced by hydraulic stresses typical of alternate wetting and drying irrigation of soil
... by drying similar to the first cycle of AWD increased many root traits that are important to plant ...puddled soil, with subsequent rewetting having minimal impact on soil ...the soil physical ...
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Interaction between contrasting rice genotypes and soil physical conditions induced by hydraulic stresses typical of alternate wetting and drying irrigation of soil
... AWD is likely to produce different soil physical conditions for rice growth than a flooded 59.. system, potentially influencing cultivar choice to maximise plant performance.[r] ...
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Swelling Soils Behaviour in Cyclic Suction-Controlled Drying and Wetting
... of soil, • whether the soil presents a final fatigue at its equilibrium stage and its behaviour remains completely elastics, or whether there will be an opposite effect for the additional suction cycles ...
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