Coupled heat and moisture transfer and evaporation in mulched soils

Mahdavi, Seyed Mohamad; Neyshabouri, M R; Fujimaki, Haruyuki; Majnooni-Heris, Abolfazl

doi:10.1016/j.catena.2016.12.010

Cited by 31 publications

(18 citation statements)

References 26 publications

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“…In this experiment, the results showed that all the GM, SM, and DH could restrain soil water evaporation. Both the GM and SM could avoid direct solar radiation to consequently decrease atmospheric evaporation potential by setting physical barrier layers on the soil surface (Mahdavi et al 2017). Based on energy balance, SM could also appreciably decrease soil evaporation by reducing the latent heat flux (Li et al 2008).…”

Section: Discussionmentioning

confidence: 99%

“…It can weaken the impact of splash erosion of raindrops on soil surface, protect soil from erosion caused by rainfall, and reduce runoff (Rees et al 2002;Findeling et al 2003;Gholami et al 2013). Moreover, effectively reducing evaporation (Qin et al 2006;Mahdavi et al 2017) and improving soil infiltration capacity (Wang et al 2016;Jordán et al 2010) owing to the physical barriers, which was set on the soil surface, hindered and slowed the exchange of water and energy between soil surface and atmosphere. Li et al (2016) found that compared with single fish-scale pits, the fish-scale pit with mulching significantly increased soil water storage and water compensation in jujube orchard owing to the increase of water infiltration and the decrease of evaporation.…”

Section: Introductionmentioning

confidence: 99%

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Fish-Scale Pits with Diversion Holes Enhance Water Conservation in Semi-arid Loess Soil: Experiments with Soil Columns, Mulching, and Simulated Rainfall

Zheng

Wang

et al. 2019

J Soil Sci Plant Nutr

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Fish-scale pits, as one of the most important ecological engineering in semi-arid areas, especially in the Loess Plateau, China, effectively reduced water and soil loss by intercepting runoff. However, the water saved by the pits is mainly accumulated in the upper soil layer and thus easily loosed by ineffective evaporation. In this study, soil column simulation experiments were conducted to observe the effects of diversion holes on soil evaporation and soil water distribution in the loessial soil under two rainfall depths and different soil surface treatments. The soil samples were passed through a 2-mm sieve. The soil filling height and the soil volume was 140 cm and 54,652.17 cm 3 in each soil column, respectively. For each treatment, there were three replicates. The results showed that gravel-mulching (GM), straw-mulching (SM), and diversion hole (DH) significantly decreased soil water evaporation compared with non-mulching (CK) under the different rainfall depths (P < 0.05). Under rainfall of 100 mm, the DH, GM, and SM caused an increase in the soil water content (SWC) in the 80-120 cm layer by 101.0%, 23.6%, and 65.5%, respectively. Under rainfall of 30 mm, CK increased SWC in the 0-40 cm layer, both GM and SM increased the SWC in the 0-60 cm layer, and the DH treatment allowed an increase in the 0-120 cm layer. Our results suggest that DH was a better measure to reduce soil evaporation and improve rainfall resource utilization, especially under high rainfall events. Our research provides scientific basis for the technology of soil deep spatiotemporal control and is of great significance to the balance and restoration of the ecological environment in the semi-arid Loess Plateau.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Fish-Scale Pits with Diversion Holes Enhance Water Conservation in Semi-arid Loess Soil: Experiments with Soil Columns, Mulching, and Simulated Rainfall

Zheng

Wang

et al. 2019

J Soil Sci Plant Nutr

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“…The highest values were found using the BC, reaching 2.09 m, and the lowest values were found with TDO at 1.98 m. We hypothesized that this is due to the M DP being affected by the soil ρ b and µ. This could also be caused by the BC treatments which allowed for a reduction in the evaporation of water and resulted in an increase in the soil ρ b [62]. The M DP value was also affected by the soil depth (Table 4).…”

Section: Microwave Penetration Depth (M Dp )mentioning

confidence: 94%

The Performance of the DES Sensor for Estimating Soil Bulk Density under the Effect of Different Agronomic Practices

et al. 2020

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The estimation of soil wet bulk density (ρn) and dry bulk density (ρb) using the novel digital electromechanical system (DES) has provided information about important parameters for the assessment of soil quality and health with a direct application for agronomists. The evaluation of the DES performance is particularly appropriate for different tillage methods, mulching systems, and fertilizers used to increase soil fertility and productivity, but currently, there is a lack of information, particularly in the arid areas in underdeveloped countries. Therefore, the main aim of this study was the application of a novel digital electromechanical system (DES) to evaluate bulk density, wet (ρn) and dry (ρb), under different soil treatments according to the variations in thermal efficiencies (ηth), microwave penetration depths (MDP), and specific energy consumption (Qcon) in an experimental area close to Baghdad (Iraq). The experimental design consisted of 72 plots, each 4 m2. The agronomic practices included two different tillage systems (disc plough followed by a spring disk and mouldboard plough followed by a spring disk) and twelve treatments involving mulching plastic sheeting combined with fertilizers, to determine their effect on the measured soil ρn and ρb and the DES performance in different soils. The results indicated that soil ρn and ρb varied significantly with both the tillage systems and the mulching systems. As expected, the soil ρn and ρb, MDP, and Qcon increased with an increase in the soil depth. Moreover, the tillage, soil mulching, and soil depth value significantly affected ηth and Qcon. A strong relationship was identified between the soil tillage and MDP for different soil treatments, leading to the changes in soil ρb and the soil dielectric constant (ε’).

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“…Furthermore, SST overpowers weed growth (Kader et al, 2017;Mutetwa and Mtaita, 2014). SST strongly affects the establishment of microclimates that lead to increased fertilizer productivity in soil, reduces soil irrigation consumption (Cerdà et al, 2016;Jiang et al, 2017;Mahdavi et al, 2017;Wu et al, 2017;Zhou et al, 2017), affects soil temperature (Al-Shammary and Al-Sadoon, 2014;Al-Shammary et al, 2016) and improves the physical structure of soil (Dec et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of Thermo-Physical Properties of Soil Using Solarisation Technology

Al-Shammary¹,

Kouzani

Kaynak

et al. 2017

American Journal of Applied Sciences

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Soil Thermo-Physical Properties (TPP) depend on heat transfer in the soil. This paper presents a study on different soil solarisation technologies influenced by soil TPP. This study evaluates three factors: The tillage depth for soil at three levels (15, 25 and 45 cm), the number of plastic film at three levels (single, double and without plastic film) and three cases of fertilizers (chemical fertilizer, organic fertilizer and without fertilizer). The parameters explored in this study include soil bulk density (Mg/cm 3 ), soil porosity (%), soil volumetric moisture content (cm 3 /cm 3 ) and soil thermal diffusivity (m 2 /sec). Data management and analysis were performed using SAS 9.1 statistical software and the spilt-plot under higher values for Φ and θ for soil (52.70% and 0.231 cm 3 /cm 3 , respectively). Furthermore, the current study shows significant differences between the types of fertilizers on ρ b . Organic Fertilizer (OF) obtained a lower value of ρ b (1.2 Mg/m 3 ), compared with chemical fertilizer and without fertilizer (1.28 and 1.31 Mg/m 3 , respectively). In contrast, contrary to expectations, this study did not find significant differences between the types of fertilizer on D and θ for soil. A positive correlation was found in the interaction between the studied factors in the parameters. Furthermore, D increased with increasing soil bulk density (pb) and tillage depth.

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Coupled heat and moisture transfer and evaporation in mulched soils

Cited by 31 publications

References 26 publications

Fish-Scale Pits with Diversion Holes Enhance Water Conservation in Semi-arid Loess Soil: Experiments with Soil Columns, Mulching, and Simulated Rainfall

Fish-Scale Pits with Diversion Holes Enhance Water Conservation in Semi-arid Loess Soil: Experiments with Soil Columns, Mulching, and Simulated Rainfall

The Performance of the DES Sensor for Estimating Soil Bulk Density under the Effect of Different Agronomic Practices

Experimental Investigation of Thermo-Physical Properties of Soil Using Solarisation Technology

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