Drip irrigation uptake in traditional irrigated fields: The edaphological impact

Puy, Arnald; Avilés, José María García; Balbo, Andrea L.; Keller, M; Riedesel, Svenja; Blum, Daniel; Bubenzer, Olaf

doi:10.1016/j.jenvman.2016.07.017

Cited by 17 publications

(17 citation statements)

References 69 publications

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“…Differences in the response of SOC by soil depth in fine‐textured soils may be associated, at least in part, with the downward translocation of soil particles during the percolation of irrigation water. In a study examining changes in soil properties of historically flood‐irrigated fields that have been converted to drip irrigation, Puy et al, ( 2017 ) showed that soils directly under drippers had a higher ratio of coarse/fine particles than adjacent, unirrigated soils in the same field. This suggests that irrigation has the potential to shift SOC dynamics by translocating clay particles downward, thereby decreasing the proportion of the fine fraction in irrigated surface soils and altering soil hydrological properties at all depths (Warrington et al, 2007 ).…”

Section: Discussionmentioning

confidence: 99%

“…Irrigation method likely plays an important role in determining the effects of irrigation on SOC content in agricultural soils by mediating changes in hydrological and physicochemical properties that vary with depth. In flood‐irrigated agricultural plots established in the 10th–13th centuries current era that were converted to drip irrigation, areas directly under drippers showed increases in SOC and marked textural changes, as discussed in Section 4.2 , whereas those adjacent to the drip zone lost SOC, likely due to increased SOC oxidation and reduced inputs of fresh plant biomass (Puy et al, 2017 ). Given that inputs of both water and fertilizer (e.g.…”

Section: Discussionmentioning

confidence: 99%

“…Given that inputs of both water and fertilizer (e.g. via fertigation) are much more localized under drip irrigation, the positive effects of irrigation on SOC are limited to those areas directly under the drippers (Kallenbach et al, 2010 ; Puy et al, 2017 ; Sánchez‐Martín et al, 2008 ). Differences in the distribution of water among irrigation methods (i.e.…”

Section: Discussionmentioning

confidence: 99%

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Soil organic carbon in irrigated agricultural systems: A meta‐analysis

Emde

Hannam

Most

et al. 2021

Global Change Biology

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Over the last 200 years, conversion of non‐cultivated land for agriculture has substantially reduced global soil organic carbon (SOC) stocks in upper soil layers. Nevertheless, practices such as no‐ or reduced tillage, application of organic soil amendments, and maintenance of continuous cover can increase SOC in agricultural fields. While these management practices have been well studied, the effects on SOC of cropping systems that incorporate irrigation are poorly understood. Given the large, and expanding, agricultural landbase under irrigation across the globe, this is a critical knowledge gap for climate change mitigation. We undertook a systematic literature review and subsequent meta‐analysis of data from studies that examined changes in SOC on irrigated agricultural sites through time. We investigated changes in SOC by climate (aridity), soil texture, and irrigation method with the following objectives: (i) to examine the impact of irrigated agriculture on SOC storage; and (ii) to identify the conditions under which irrigated agriculture is most likely to enhance SOC. Overall, irrigated agriculture increased SOC stocks by 5.9%, with little effect of study length (2–47 years). However, changes in SOC varied by climate and soil depth, with the greatest increase in SOC observed on irrigated semi‐arid sites at the 0–10 cm depth (14.8%). Additionally, SOC increased in irrigated fine‐ and medium‐textured soils but not coarse‐textured soils. Furthermore, while there was no overall change to SOC in flood/furrow irrigated sites, SOC tended to increase in sprinkler irrigated sites, and decrease in drip irrigated sites, especially at depths below 10 cm. This work sheds light on the nuances of SOC change across irrigated agricultural systems, highlights the importance of studying SOC storage in deeper soils, and will help guide future research on the impacts of irrigated agriculture on SOC.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Soil organic carbon in irrigated agricultural systems: A meta‐analysis

Emde

Hannam

Most

et al. 2021

Global Change Biology

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“…They demonstrated their usefulness, profitability, and sustainability and indicated that the design, handling, and maintenance of this system, together with the quality of the irrigation water and type of soil, are fundamental aspects that determine their sustainability. On the other hand, Puy et al [85] indicated that this type of system can have harmful consequences in terms of the degradation of the soil or the production of greenhouse gas emissions.…”

Section: Irrigation Technology and Innovationmentioning

confidence: 99%

Sustainable Irrigation in Agriculture: An Analysis of Global Research

Velasco-Muñoz

Aznar-Sánchez

Batlles‐delaFuente

et al. 2019

Water

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Irrigated agriculture plays a fundamental role as a supplier of food and raw materials. However, it is also the world’s largest water user. In recent years, there has been an increase in the number of studies analyzing agricultural irrigation from the perspective of sustainability with a focus on its environmental, economic, and social impacts. This study seeks to analyze the dynamics of global research in sustainable irrigation in agriculture between 1999 and 2018, including the main agents promoting it and the topics that have received the most attention. To do this, a review and a bibliometric analysis were carried out on a sample of 713 articles. The results show that sustainability is a line of study that is becoming increasingly more prominent within research in irrigation. The study also reveals the existence of substantial differences and preferred topics in the research undertaken by different countries. The priority issues addressed in the research were climatic change, environmental impact, and natural resources conservation; unconventional water resources; irrigation technology and innovation; and water use efficiency. Finally, the findings indicate a series of areas related to sustainable irrigation in agriculture in which research should be promoted.

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“…One approach to addressing the scale gap in soil water measurement is the use of sensors, which could provide accurate soil water measurements from scales representing small plots up to the field. Several sensing techniques have emerged to measure SWC at field scale including cosmic ray probes [10][11][12], electromagnetic induction sensors (EMI) [13,14], ground penetrating radar (GPR) [15,16], electrical resistivity imaging (ERI) [17,18], global positioning system (GPS) reflectometry [19], and actively heated fiber-optics (AHFO) [20][21][22][23][24]. Among these sensing techniques, the AHFO is a relatively new sensor that provides spatially distributed SWC measurements along a fiber-optic cable (e.g., 0.5 m spatial resolution).…”

Section: Introductionmentioning

confidence: 99%

Field Water Balance Closure with Actively Heated Fiber-Optics and Point-Based Soil Water Sensors

Gamage

Biswas

Strachan

2019

Water

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While traditional soil water sensors measure soil water content (SWC) at point scale, the actively heated fiber-optics (AHFO) sensor measures the SWC at field scale. This study compared the performance of a distributed (e.g., AHFO) and a point-based sensor on closing the field water balance and estimating the evapotranspiration (ET). Both sensors failed to close the water balance and produced larger errors in estimated ET (ET ε ), particularly for longer time periods with >60 mm change in soil water storage (∆SWS), and this was attributed to a lack of SWC measurements from deeper layers (>0.24 m). Performance of the two sensors was different when only the periods of <60 mm ∆SWS were considered; significantly lower residual of the water balance (R e ) and ET ε of the distributed sensor showed that it could capture the small-scale spatial variability of SWC that the point-based sensor missed during wet (70-104 mm SWS) periods of <60 mm ∆SWS. Overall, this study showed the potential of the distributed sensor to provide a more accurate value of SWS at field scale and to reduce the errors in water balance for shorter wet periods. It is suggested to include SWC measurements from deeper layers to better evaluate the performance of the distributed sensor, especially for longer time periods of >60 mm ∆SWS, in future studies.

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Drip irrigation uptake in traditional irrigated fields: The edaphological impact

Cited by 17 publications

References 69 publications

Soil organic carbon in irrigated agricultural systems: A meta‐analysis

Soil organic carbon in irrigated agricultural systems: A meta‐analysis

Sustainable Irrigation in Agriculture: An Analysis of Global Research

Field Water Balance Closure with Actively Heated Fiber-Optics and Point-Based Soil Water Sensors

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