Effect of Different Organic Matter Content on Soil Moisture Dynamics

Ding, Yao; Huang, He; Wang, Lei; Zhang, Zhao Qi; Zhang, Wei Hua

doi:10.4028/www.scientific.net/amm.477-478.481

Cited by 5 publications

(7 citation statements)

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“…The information presented herein indicates the beneficial effects of restoring SOM content in either alleviating drought or reducing its severity and duration by enhancing PAWC of the root zone (Table 5). The SOM‐induced improvement in soil health can lead to drought‐resilient soil (Sullivan, 2002), suppress evaporation (Ding et al., 2014), and reduce the need for any additional irrigation (Klein & Klein, 2015). Iizumi and Wagai (2019) reported that even a small increase in topsoil‐SOM content could enhance drought tolerance of the food production systems over 70% of the global harvested areas, especially in drylands of the world.…”

Section: Methodsmentioning

confidence: 99%

“…Land use and soil management can impact SWR by altering SOM content, aggregation, porosity, and pore-size distribution, surface runoff versus infiltration, and evaporation and deep drainage ( Figure 1). Increase in SOM content can suppress evaporation and F I G U R E 1 Factors affecting the impact of soil organic matter content on soil water retention and plant available water capacity infiltration of water (Ding, Huang, Wang, Zhang, & Zhang, 2014). Complex and strongly interacting factors make it a daunting methodological challenge to establish the direct cause-effect relationship between SOM content and SWR or PAWC.…”

Section: Soil Organic Matter Content and Water Retentionmentioning

confidence: 99%

“…Reducing the need for irrigation be increasing soil water storage through increase in SOM content Klein and Klein (2015) Brazil SOM content improved aggregation under pasture Suzuki, Reichert, and Reinert (2013) Brazil High SOM under no-till increased water storage Figueiredo, Ramos, and Tostes (2008) Burkina Faso SOM increases field capacity and permanent wilting point Leu et al (2010) Canada: Manitoba High correlation among SOC, soil water conditions, content, and bulk density Manns, Parkin, and Martin (2016) China Total organic carbon was correlated with water holding capacity Li, Li, Zed, Zhan, and Singh (2007) China SOM content suppresses evaporation losses Ding et al (2014) China SOM has a positive effect on soil water content S. X. Zhang, Zhang, Jiang, and Yu (2013) China: Alpine SOM content plays a dominant role in SWR Yang et al 2015Hungary A slight effect of SOM on moisture storage C Rajkai et al 2015Italy Input of compost and manure increased water capacity Elia, Conversa, Trotta, and Rinaldi (2007) Spain SOM content increased water retention and aggregation Acín-Carrera et al 2013Spain Humic acids with aliphatic domain displayed favorable hydrological properties of semi-arid soils Álvarez, Carral, Hernández, and Almendros (2013) Turkey Organic matter incorporation can enhance soil resilience against extreme weather Mujdeci, Simsek, and Uygur (2019) USA Crop residue management and conservation tillage for semi-arid regions Unger, Stewart, Parr, and Singh (1991) USA Maintaining and improving hydrological functions of soil Hatfield, Cruse, and Tomer (2013) The current and projected climate change, as well as the increase in risks of soil degradation, may aggravate the drought stress during crop growth because of reduction in PAWC (pedological drought) of soil, and depletion of soil water in the root zone at the critical stage of crop growth (i.e., flowering stage) in conjunction with high air and soil temperatures associated with a heat wave (agronomic drought).…”

Section: Brazilmentioning

confidence: 99%

Section: Brazilmentioning

confidence: 99%

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Soil organic matter and water retention

Lal

2020

Agronomy Journal

189

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The current and projected anthropogenic global warming and the attendant increase in the severity and extent of soil degradation may exacerbate the intensity and duration of drought occurrence in agroecosystems. Restoration of the soil organic matter (SOM) content of degraded/depleted soils can increase soil water retention (SWR) more at field capacity (FC) than that at the permanent wilting point (PWP), and thus increase the plant available water capacity (PAWC). The magnitude of increase in PAWC may depend on soil texture and the initial SOM content. Thus, restoration of the SOM content of degraded/depleted soils can make them as well as agroecosystems climate-resilient. Management practices which enhance soil health by restoring SOM content include conservation agriculture, cover cropping, residue mulching, and complex farming systems involving integration of crops with trees and livestock. Such technologies must be fine-tuned under site-specific conditions. Additional research is needed to establish the cause-effect relationship between increase in SOM content and PAWC and the ameliorative effect on drought-resilience for diverse crops and cropping systems. 1 INTRODUCTION Global warming has already reached 1 • C above the preindustrial levels (Lindsey & Dahlman, 2020; Sánchez-Lugo, Berrisford, Morice, & Nicolas, 2018), which in turn has aggravated the severity of drought caused by soil moisture deficit (Berg & Sheffield, 2018). Additionally, the positive net ecosystem exchange (NEE), caused by soilwater deficit, can make soil a net source of CO 2 (Green et al., 2019), especially following some repeated summer droughts (Sowerby, Emmett, Tietema, & Beier, 2008). Further, anthropogenic perturbations may even destabilize the

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Section: Methodsmentioning

confidence: 99%

Section: Soil Organic Matter Content and Water Retentionmentioning

confidence: 99%

Section: Brazilmentioning

confidence: 99%

Section: Brazilmentioning

confidence: 99%

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Soil organic matter and water retention

Lal

2020

Agronomy Journal

189

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“…Soil water movement processes are closely linked to soil organic matter content. Organic matter can reduce evaporation and improve water conservation and water supply performance [13][14][15]. Organic matter also significantly affects moisture retention [16], the characteristic curve of soil moisture [17], and thermal conductivity [18], which contribute to evaporation.…”

Section: Introductionmentioning

confidence: 99%

Effects of Earthworm Cast Application on Water Evaporation and Storage in Loess Soil Column Experiments

Shao

Wang

2020

Sustainability

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Earthworm cast is a common bio-organic fertiliser, which can effectively improve soil fertility and structure. However, only a few studies have focused on the effect of earthworm cast on soil water movement. In this study, loess soil was used to determine the effects of earthworm cast application on soil evaporation. The effects on water storage capacity and capillary upward movement were also investigated. A laboratory-based soil column experiment using earthworm cast with different particle sizes (1–3 × 1–2 cm and 3–5 × 2–4 cm) and three application doses (5%, 7.5%, and 10%) was carried out. The daily evaporation and volume of capillary ascension were monitored. The addition of earthworm cast clearly affected the soil evaporation by changing soil water storage capacity and capillary water upward movement. Compared with control soil, the application of 5% small-particle cast reduced the soil cumulative evaporation by 5.13%, while the cumulative evaporation was higher in all large-particle cast treatments. The upward capillary water movement increased with increasing dose of earthworm cast, but decreased with increasing particle size. Overall, the addition of earthworm cast clearly enhanced the water storage capacity of the soil, with the small-particle cast having greater effects than the large-particle cast. We concluded that the application of 5% small-particle earthworm cast can enhance soil water retention and reduce soil evaporation.

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