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Sustainable Irrigation Technologies for Saving Water
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Sustainable Irrigation Technologies for Saving Water

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Water Management".

Deadline for manuscript submissions: 12 January 2025 | Viewed by 537

Special Issue Editor

Prof. Dr. Zhenhua Wang

E-Mail Website
Guest Editor
College of Water & Architectural Engineering, Shihezi University, Shihezi 832000, China
Interests: drip irrigation; water-saving management; soil–salt relations; drainage; saline water utilization; crop-water plating mode; aerated irrigation; agroecosystem preservation; fertilizer measurements
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The problem of water shortage is prevalent throughout the world, especially in some arid areas with fragile agroecosystems, which may limit agricultural production and socio-economic development. Therefore, it is necessary to seek some water-saving measures in all stages of irrigation to achieve sustainable agricultural development. By using the different types of irrigation methods such as drip and sprinkler irrigation, irrigation types such as deficit irrigation and alternate partial root-zoon irrigation, and irrigation engineering measures such as low-pressure pipeline irrigation and the construction of anti-leakage canal systems to improve crop yield and quality, water use efficiency, and adapting different water use patterns can provide a reasonable implementation pathway for sustainable agricultural development worldwide.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Water saving irrigation technology R&D and innovation;
  • Application of water-saving irrigation technology;
  • Unconventional water resource irrigation;
  • Optimization of water-saving equipment;
  • Channel anti-seepage;
  • Alternate partial root-zoon irrigation;
  • Irrigation management optimization.

I look forward to receiving your contributions.

Prof. Dr. Zhenhua Wang
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • water-saving irrigation technologies
  • sustainable development
  • yield improvement
  • water use efficiency
  • efficient utilization of water resources

Published Papers (2 papers)

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Research

14 pages, 5569 KiB  
Article
Effects of Different Film Types on Cotton Growth and Yield under Drip Irrigation
by Zhanli Ma, Jian Liu, Yue Wen, Wenhao Li, Yan Zhu, Libing Song, Yunguang Li, Yonghui Liang and Zhenhua Wang
Sustainability 2024, 16(10), 4173; https://doi.org/10.3390/su16104173 - 16 May 2024
Viewed by 163
Abstract
To address residual plastic film in fields in which mulched drip irrigation technology is applied, a sprayable degradable film (consisting of 1–5% clay, 5–20% humic acid, 0.5–5% crosslinker, and 0.5–5% auxiliary and water) can be used as a superior alternative to the plastic [...] Read more.
To address residual plastic film in fields in which mulched drip irrigation technology is applied, a sprayable degradable film (consisting of 1–5% clay, 5–20% humic acid, 0.5–5% crosslinker, and 0.5–5% auxiliary and water) can be used as a superior alternative to the plastic film applied in drip-irrigated fields. A field experiment was conducted in Xinjiang, Northwest China, to test the impacts of five different mulching treatments (SF1, sprayable degradable film applied at 1900 kg ha−1; SF2, sprayable degradable film applied at 1900 kg ha−1; SF3, sprayable degradable film applied at 2500 kg ha−1; PF, plastic film; and NF, no film mulching) on cotton growth and development, yield, and water use efficiency. The results showed that, compared to the NF treatment, sprayable degradable film mulching (SF1, SF2, and SF3) positively impacted the soil hydrothermal environment, promoted root growth, significantly increased plant height and leaf area, and enhanced physiological characteristics, which, in turn, increased yield and water use efficiency by 11.79–15.00% and 21.88–30.21%, respectively. The maximum yield and water use efficiency were observed in the PF treatment, amounting to 5345 kg ha−1 and 1.28 kg m−3, respectively, and they had no significant differences from those in the SF3 treatment. In general, applying moderate amounts of sprayable degradable film at a rate of 2500 kg ha−1 represents an effective agronomic strategy for managing residual film contamination while maintaining stable cotton yields. Full article
(This article belongs to the Special Issue Sustainable Irrigation Technologies for Saving Water)
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15 pages, 2916 KiB  
Article
Estimation of Centrifugal Pump Efficiency at Variable Frequency for Irrigation Systems
by Dorin Bordeasu, Florin Dragan, Ioan Filip, Iosif Szeidert and Gelu Ovidiu Tirian
Sustainability 2024, 16(10), 4134; https://doi.org/10.3390/su16104134 - 15 May 2024
Viewed by 231
Abstract
The sustainability of the food production achieved with the help of irrigation systems and the sustainability of their energy consumption are major challenges of the current century. Pumping systems currently account for approximately 30% of global electrical energy consumption. As electricity prices rise, [...] Read more.
The sustainability of the food production achieved with the help of irrigation systems and the sustainability of their energy consumption are major challenges of the current century. Pumping systems currently account for approximately 30% of global electrical energy consumption. As electricity prices rise, there is a growing need for technological advancements to enhance energy efficiency and reduce consumption costs effectively. This study focuses on operating centrifugal pumps at variable frequency as an effective means of achieving this goal. Most centrifugal pump manufacturers/providers traditionally assume that pump efficiency remains constant across various operating frequencies, often equating the efficiency at various frequencies to that at the standard frequency (50/60 Hz). In contrast, this paper introduces a new formula for estimating pump efficiency, crucial to precise power consumption determination, particularly in variable-frequency scenarios. The formula parameters are identified by using experimental data acquired from an existing pumping system. The tests and results presented in this paper demonstrate that the proposed formula outperforms the formulas of the current industry standards in accuracy. Practically, the new relation assures enhanced accuracy in estimating pump efficiency and absorbed power, allowing for the design of a more precise model used for control systems synthesis required for operating centrifugal pumps at variable frequency. This research offers a new way of calculating pump efficiency, which could be very useful for industry practitioners seeking to optimize energy consumption in pumping systems. Full article
(This article belongs to the Special Issue Sustainable Irrigation Technologies for Saving Water)
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