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Development and Application of High-Efficiency Water-Saving Irrigation Technology
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Development and Application of High-Efficiency Water-Saving Irrigation Technology

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

Deadline for manuscript submissions: closed (20 April 2024) | Viewed by 3799

Special Issue Editor

Dr. Yan Mo

E-Mail Website
Guest Editor
Department of Irrigation and Drainage, China Institute of Water Resources and Hydropower Research, Beijing 100048, China
Interests: irrigation equipment development; subsurface drip irrigation; irrigation scheduling; fertigation; yield; water use efficiency

Special Issue Information

Dear Colleagues,

With global climate change and population growth, the problem of the shortage of water resources and increase in food demand has intensified. Agricultural irrigation needs to focus on the application of advanced high-efficiency water-saving irrigation technology to improve agricultural water use efficiency and the production capacity of grain or oil. In this context, it is particularly urgent to quantitatively reveal the response of processes driving crop water saving and yield increase to irrigation technology and develop efficient and intelligent irrigation equipment. This Special Issue invites relevant results of field experiments, model simulations, and equipment development related to the following topics:

  • High-efficiency water-saving irrigation scheduling and management strategy;
  • Soil water, fertilizer, salt, gas, and heat coupling and field energy balance with high-efficiency water-saving irrigation technology;
  • Research and development of high-efficiency water-saving irrigation equipment;
  • Technology and equipment to improve grain or oil yield and water use efficiency in agricultural irrigation.

Dr. Yan Mo
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. 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

  • high-efficiency water-saving irrigation technology
  • agricultural water management strategy
  • irrigation scheduling
  • fertilizer regime
  • water and fertilizer integrated technology
  • yield and quality
  • water use efficiency
  • water and fertilizer integrated equipment
  • crop model
  • fluid mechanics model

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Published Papers (2 papers)

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Research

20 pages, 38835 KiB  
Article
Coupled DSSAT and HYDRUS-1D Simulation of the Farmland–Crop Water Cycling Process in the Dengkouyangshui Irrigation District
by Jie Zhou, Delong Tian, Haibin Shi, Bing Xu, Zhonghou Zheng, Fan Wang, Guoshuai Wang and Xiangyang Miao
Water 2024, 16(7), 1049; https://doi.org/10.3390/w16071049 - 5 Apr 2024
Cited by 1 | Viewed by 1779
Abstract
(1) Background: Effective water management in agricultural systems poses a significant challenge, particularly in the Dengkouyangshui irrigation district. Inefficiencies and insufficient detail in water usage across crop growth stages have resulted in suboptimal water cycling. Recent infrastructure improvements and technological interventions necessitate a [...] Read more.
(1) Background: Effective water management in agricultural systems poses a significant challenge, particularly in the Dengkouyangshui irrigation district. Inefficiencies and insufficient detail in water usage across crop growth stages have resulted in suboptimal water cycling. Recent infrastructure improvements and technological interventions necessitate a reevaluation of water usage, especially concerning changes in irrigation and seepage dynamics. (2) Methods: This study addresses these concerns by employing an integrated modeling approach that combines the DSSAT with the HYDRUS-1D soil hydrology model to simulate complex interactions among soil, crop growth, and irrigation practices within the district. Observational data were used to calibrate and validate the integrated model, including soil moisture, LAI, and crop yields from the 2022 and 2023 agricultural seasons. (3) Results: The simulation results strongly align with the empirical data, highlighting the ability of the model to capture the intricate dynamics of soil–water–atmosphere–plant interactions. (4) Conclusions: The soil’s retention and moisture-holding characteristics exhibited resilience during periods without water supplementation, with measurable declines in soil moisture at various depths, indicating the soil’s capacity to support crops in water-limited conditions. This study delineates water consumption by maize crops throughout their growth cycle, providing insights into evapotranspiration partitioning and quantifying seepage losses. An in-depth analysis of water balances at different growth stages informs irrigation strategies, suggesting optimal volumes to enhance efficiency during critical crop development phases. This integrative modeling approach is valuable for providing actionable data to optimize the water cycling process and improve agricultural sustainability in the Dengkouyangshui irrigation district. Full article
(This article belongs to the Special Issue Development and Application of High-Efficiency Water-Saving Irrigation Technology)
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23 pages, 5387 KiB  
Article
Determination of Winter Irrigation Quotas for Corn and Oil Sunflower Considering Crop Salt Tolerance Threshold under Subsurface Pipe Drainage Technology
by Shengjie Wang, Yan Mo, Jingling Li, Juan Xiao and Xinwang Liu
Water 2024, 16(1), 72; https://doi.org/10.3390/w16010072 - 24 Dec 2023
Cited by 1 | Viewed by 1479
Abstract
Subsurface pipe drainage (SPD) is an important technique for the improvement of saline–alkali lands in China. Winter irrigation after crop harvest is a key measure used in the Yellow River irrigation area in northwest China to reduce soil salinity in the root zone [...] Read more.
Subsurface pipe drainage (SPD) is an important technique for the improvement of saline–alkali lands in China. Winter irrigation after crop harvest is a key measure used in the Yellow River irrigation area in northwest China to reduce soil salinity in the root zone of crops. To optimize winter irrigation under SPD, the calibrated HYDRUS-2D model was utilized in this study to investigate the effects of soil texture (clay loam, silt loam, loam, and sandy loam), initial soil salinity (1, 3, 5 g/kg), and the winter irrigation quotas (80, 100, 120, 150, 180 mm) on the rate of soil desalination. In this study, soil salinity levels during the stable production of common crops such as sunflower and corn in the Yinbei Irrigation District in Ningxia, China, were taken as the thresholds, efficient utilization of irrigation water was considered, and suitable crops and appropriate winter irrigation quotas for different soil textures and levels of soil salinity were proposed. Soil with a salt content of 1~3 g/kg is suitable for the planting of corn with 80 mm of irrigation water. Sandy loam soil with a salt content of 3~5 g/kg is suitable for sunflower–corn intercropping with 120 mm of irrigation water. Sandy loam soil with a salt content exceeding 5 g/kg is suitable for the planting of sunflower with 80 mm of irrigation water. Other types of soils need to be improved by reducing the spacing between subsurface pipes, using desulfurized gypsum, biochar, and other additives. People engaged in agriculture can utilize this research to determine the appropriate volumes of irrigation water, crop types, planting systems, and subsurface pipe parameters based on local conditions. Full article
(This article belongs to the Special Issue Development and Application of High-Efficiency Water-Saving Irrigation Technology)
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