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Agronomy
Special Issues
Limited Irrigation Management: From Crop Response to Agronomic Practice
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Limited Irrigation Management: From Crop Response to Agronomic Practice

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Water Use and Irrigation".

Deadline for manuscript submissions: closed (20 February 2024) | Viewed by 1782

Special Issue Editors

Prof. Jing-lei Wang

E-Mail Website
Guest Editor
Institute of Farmland Irrigation, Chinese Academy of Agricultural Sciences, Beijing, China
Interests: crop water requirement and regulation
Dr. Stefano Marino

E-Mail Website
Guest Editor
Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy
Interests: agronomy; precision agriculture; crop yield; fertilization; irrigation; remote sensing; horticultural crops; vegetation indices
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

At present, many countries and regions worldwide are facing significant challenges in terms of water shortages and an increasing demand for food production. Moreover, crop growth, yield, and quality are inseparable from efficient agricultural irrigation measures. In some areas, limited irrigation occurs when water availability is restricted and cannot meet the full evapotranspiration (ET) demand. During the whole crop growth cycle, it is necessary to appropriately and timely monitor crop growth conditions, adjust irrigation management strategies, and maximize water use efficiency.

This Special Issue, entitled "Limited Irrigation Management: from Crop Response to Agronomic Practice", aims to collate the latest cutting-edge research and advances in limited irrigation management in agriculture. We welcome research articles, reviews, and opinion articles addressing any topic related to crop-limited irrigation and water management, such as crop water deficit diagnosis and water demand information detection, crop growth status analysis, limited irrigation strategies, crop water management practices, and water use efficiency improvement.

Prof. Jing-lei Wang
Dr. Stefano Marino
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. Agronomy is an international peer-reviewed open access monthly 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

  • limited irrigation
  • crop water requirement
  • crop water stress
  • crop evapotranspiration
  • crop moisture diagnostics
  • water management practices
  • water use efficiency

Published Papers (2 papers)

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Research

24 pages, 22436 KiB  
Article
Evaluating Tomato Performance: A Novel Approach of Combining Full and Deficit Irrigation with Saline Water
by Abdulaziz G. Alghamdi, Akram K. Alshami, Ahmed El-Shafei, Abdulrasoul M. Al-Omran, Arafat Alkhasha, Anwar A. Aly and Abdulaziz R. Alharbi
Agronomy 2024, 14(3), 559; https://doi.org/10.3390/agronomy14030559 - 10 Mar 2024
Viewed by 716
Abstract
The tomato is a vital component of agriculture and is the second-most important vegetable globally. Maintaining a high tomato production requires both water quality and quantity. Water-scarce regions like Saudi Arabia still lack an understanding of the impact of deficit irrigation and the [...] Read more.
The tomato is a vital component of agriculture and is the second-most important vegetable globally. Maintaining a high tomato production requires both water quality and quantity. Water-scarce regions like Saudi Arabia still lack an understanding of the impact of deficit irrigation and the use of a blend of saline and freshwater, especially their nuanced impact across growth stages. The purpose of this study was to evaluate the effects of six different irrigation amounts: full irrigation with 100% ETc (FI), regulated deficit irrigation with 60% ETc (DI), and deficit irrigation with 60% ETc, except for the initial (DI-int), development (DI-dev), mid-season (DI-mid), and late-season (DI-lat) stages. This was performed with three different water qualities: fresh (FW), saline (SW), and fresh-saline blend (1:1) (MW) water. FW and MW enhanced the growth, physiology, morphology, yield, and quality, while SW had the lowest values. DI reduced these parameters and lowered yields by 13.7%, significantly improving water use efficiency (WUE) by 44% and fruit quality. DI-mid or DI-lat slightly improved yields while remarkably decreasing WUE and fruit quality. DI outperforms deficit irrigation in all growth stages except one, and countries with limited freshwater resources can benefit from a mix of fresh and saline water with a 60% ETc deficit irrigation, resulting in greater water savings. Full article
(This article belongs to the Special Issue Limited Irrigation Management: From Crop Response to Agronomic Practice)
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14 pages, 2929 KiB  
Article
Assessing the Impact of IrrigaSys Decision Support System on Farmers’ Irrigation Practices in Southern Portugal: A Post Evaluation Study
by Hanaa Darouich, Lucian Simionesei, Ana R. Oliveira, Ramiro Neves and Tiago B. Ramos
Agronomy 2024, 14(1), 66; https://doi.org/10.3390/agronomy14010066 - 27 Dec 2023
Viewed by 819
Abstract
The IrrigaSys decision support system (DSS) has supported farmers’ decision-making regarding irrigation scheduling in the Sorraia Valley irrigation district in Southern Portugal over a span of six years (2017–2022). This study aims to conduct a postevaluation of farmers’ adherence to the DSS, employing [...] Read more.
The IrrigaSys decision support system (DSS) has supported farmers’ decision-making regarding irrigation scheduling in the Sorraia Valley irrigation district in Southern Portugal over a span of six years (2017–2022). This study aims to conduct a postevaluation of farmers’ adherence to the DSS, employing a multicriteria analysis (MCA) approach with data from the 2019 (driest year) and 2020 (average year) growing seasons. Two distinct scenarios were taken into consideration: the first focused on water conservation, and the second centered on farmers’ economic returns. The outcomes of the first scenario revealed that farmers exhibited a reasonable level of expertise, particularly during the driest season. They achieved water-saving indicators comparable to those obtained when adhering to optimized irrigation schedules generated weekly by the DSS. In the wetter season, discrepancies emerged between farmers’ and model indicators, primarily attributed to challenges in integrating reliable information from precipitation forecasts into the decision-making process. In the second scenario, both farmers’ and model results exhibited close economic indicators throughout both seasons. While IrrigaSys requires further developments, these results show that the DSS has effectively contributed to supporting irrigation water management in the study region. Full article
(This article belongs to the Special Issue Limited Irrigation Management: From Crop Response to Agronomic Practice)
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