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Water
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Advances in Sprinkler Irrigation Systems and Water Saving Volume II
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Advances in Sprinkler Irrigation Systems and Water Saving Volume II

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water, Agriculture and Aquaculture".

Deadline for manuscript submissions: closed (26 February 2024) | Viewed by 1826

Special Issue Editors

Prof. Dr. Haijun Yan

E-Mail Website
Guest Editor
College of Water Resources and Civil Engineering, China Agricultural University, Beijing 100083, China
Interests: irrigation performance evaluation; irrigation systems management; variable rate irrigation; smart irrigation; fertilization; new technology and equipment
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Xingye Zhu

E-Mail Website
Guest Editor
Research Center of Fluid Machinery Engineering and Technology, Jiangsu University, Zhenjiang, China
Interests: sprinkler irrigation systems and water; water-saving managment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Water shortage has become one of the main factors restricting food security and sustainable development around the world. Agriculture is the largest water user, and its low effective utilization coefficient of agricultural irrigation water makes water-saving irrigation of great significance. As one of the highest-efficiency water-saving irrigation techniques, sprinkler irrigation has been widely promoted all over the world due to its advantages of strong adaptability and yield increase, in addition to saving labor efforts. Although there are many advantages to sprinkler irrigation, its potential shortcomings cannot be ignored. These include high investment costs, sensitivity to environmental factors, and excessive energy consumption. Today, new technical methods such as smart irrigation, variable rate irrigation, and solar-powered irrigation have emerged in a bid to resolve these problems. In the future, sprinkler irrigation technology will continue to play a key role in water saving and yield increase, environmental protection, and sustainable development.

The purpose of this Special Issue of Water is to collect the latest research covering advances in sprinkler irrigation systems and water saving, specifically including, but not limited to, the following aspects:

  • Evaluation of sprinkler irrigation performance;
  • Variable rate irrigation;
  • Smart irrigation;
  • Low-pressure sprinkler irrigation;
  • Fertilization;
  • Parameter optimization;
  • New technology and equipment.

Prof. Dr. Haijun Yan
Prof. Dr. Xingye Zhu
Guest Editors

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. Water 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 2600 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

  • sprinkler irrigation
  • micro-sprinkler irrigation
  • hydraulic performance
  • variable rate irrigation
  • smart irrigation
  • low-pressure sprinkler
  • new technology and equipment
  • fertigation
  • water saving
  • reclaimed water use
  • yield increase
  • water-use efficiency

Published Papers (1 paper)

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Research

14 pages, 1506 KiB  
Article
Improving Wheat Grain Yield and Nitrogen Use Efficiency by Optimizing the Fertigation Frequency Using Center Pivot Irrigation System
by Dongyu Cai, Muhammad Rizwan Shoukat, Yudong Zheng, Haibin Tan, Mengyao Sun and Haijun Yan
Water 2023, 15(10), 1932; https://doi.org/10.3390/w15101932 - 19 May 2023
Cited by 1 | Viewed by 1324
Abstract
High efficient nitrogen (N) application method and proper N management strategies can further reduce the losses and enhance N use efficiency. Field experiments were conducted in the 2015–2016 and 2016–2017 growing seasons to evaluate the effects of four fertigation frequencies treatments (FT-1: all [...] Read more.
High efficient nitrogen (N) application method and proper N management strategies can further reduce the losses and enhance N use efficiency. Field experiments were conducted in the 2015–2016 and 2016–2017 growing seasons to evaluate the effects of four fertigation frequencies treatments (FT-1: all the topdressing N was applied at the jointing stage; FT-2: 67% and 33% of the topdressing N was applied at the jointing and filling stages; FT-3: 33%, 50% and 17% of the topdressing N was applied at the regreening, jointing and filling stages; FT-4: 33%, 33%, 17% and 17% of the topdressing N were applied at the regreening, jointing, anthesis and filling stages) on wheat yield, water use efficiency (WUE), partial productivity of N fertilizer (PFPN) and N harvest index (NHI). In addition, one-time topdressing by surface broadcasting at the jointing stage was set up as a control (BC-1). The results showed that FT-3 and FT-4 supplied sufficient NO3−-N in the 0–40 cm soil layer, which reduced the risk of soil NO3−-N leaching to the deeper layers. FT-4 had the highest grain yield, WUE, PFPN and NHI, with average values of 9153.4 kg ha−1, 2.1 kg m−3, 0.74 kg kg−1 and 31.3 kg kg−1, respectively, followed by these values corresponding to the FT-3 in two years. These findings suggest that topdressing N split with 3–4 times, that is to say applying approximately 16.7% of topdressing N in anthesis and filling stages, respectively by the center pivot fertigation method can significantly improve yield, WUE, PFPN and NHI. Full article
(This article belongs to the Special Issue Advances in Sprinkler Irrigation Systems and Water Saving Volume II)
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