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Agronomy
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Water Saving Irrigation Mechanism and Regulation Technology for Improving Crop...
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Water Saving Irrigation Mechanism and Regulation Technology for Improving Crop Water Use Efficiency

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

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 2625

Special Issue Editors

Prof. Dr. Sien Li

E-Mail Website
Guest Editor
Center for Agricultural Water Research in China, China Agricultural University, Beijing 100083, China
Interests: agricultural water saving; drip irrigation; evapotranspiration
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Junliang Fan

grade E-Mail Website
Guest Editor
College of Water Recourses and Architectural Engineering, Northwest A&F University, Yangling 712100, China
Interests: drip irrigation; evapotranspiration; water balance; crop–water relations; water resources management; soil fertility
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

[*] Background & history of this topic:

Drought-affected, semi-arid areas account for 35% of the global land area. The biggest constraint that limits agricultural development in arid regions is water shortage. Thus, determining how to improve the efficiency of agricultural water in arid regions to ensure agriculture and green and sustainable development is an important scientific problem of global agriculture.

Numerous studies have been carried out on the irrigation water-saving mechanism. However, despite the wide application of intelligent drip irrigation and other new technologies in arid regions, research on the technology needed to change farmland water, energy, and material circulation and to achieve a water-saving effect is still needed.

[*] Aim and scope of the special issue:

Therefore, the purpose of this Special Issue is (1) to focus, on a global scale, on irrigation and the latest research results on the effectiveness of the new technology; (2) to publish research on new technology for drip irrigation and other intelligent water-saving techniques; and (3) identify new numerical simulation methods for irrigation.

Prof. Dr. Sien Li
Prof. Dr. Junliang Fan
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

  • intelligent irrigation
  • crop water use efficiency
  • crop model

Published Papers (2 papers)

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Research

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17 pages, 2497 KiB  
Article
Yield, Quality, and Water and Fertilizer Partial Productivity of Cucumber as Influenced by the Interaction of Water, Nitrogen, and Magnesium
by Jinglai Li, Xiaoqing Yang, Mengchi Zhang, Dayong Li, Yu Jiang, Wenhui Yao and Zhi Zhang
Agronomy 2023, 13(3), 772; https://doi.org/10.3390/agronomy13030772 - 07 Mar 2023
Cited by 3 | Viewed by 1498
Abstract
The balanced management of water and nutrient factors is essential for the high-efficiency production of cucumber. The effect of magnesium coupling with water and nitrogen on cucumber was determined using a three-factor and three-level orthogonal rotation combination design experiment, and the yield, quality, [...] Read more.
The balanced management of water and nutrient factors is essential for the high-efficiency production of cucumber. The effect of magnesium coupling with water and nitrogen on cucumber was determined using a three-factor and three-level orthogonal rotation combination design experiment, and the yield, quality, and water and fertilizer efficiency of cucumber were studied. Yield was significantly influenced by the single factor of irrigation or nitrogen, with the largest value of 88,412.6 kg/ha under high levels of irrigation and nitrogen input. The increase in magnesium fertilizer has a significant promoting effect on reducing sugar and free amino acids, with results 19.0% and 9.8% higher than that of low magnesium application, respectively. The interaction of irrigation and magnesium alleviated the negative effects of nitrogen deficiency, thereby reducing the risk of nitrate accumulation and improving the partial productivity of nitrogen fertilizer. The interaction of nitrogen and magnesium significantly affected the yield of cucumber, and all the quality indicators except vitamin C and the partial productivity of water and fertilizer. Six indicators from three categories of yield, quality, and efficiency were used to establish the comprehensive evaluation system based on correlation analysis, and yield was assigned the highest combined weight of 0.4023 using game theory. Grey relational analysis model was adopted to evaluate the water and fertilizer treatments, and the optimal applied combination was irrigation of 653.7 m3/hm2, nitrogen fertilizer (CH4N2O) of 1141.9 kg/ha, and magnesium fertilizer (MgSO4.7H2O) of 422.1 kg/ha. This condition comprehensively promoted yield, quality, and efficiency, providing a scientific water and fertilizer management strategy for cucumber production in Northwest China. Full article
(This article belongs to the Special Issue Water Saving Irrigation Mechanism and Regulation Technology for Improving Crop Water Use Efficiency)
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Review

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21 pages, 11154 KiB  
Review
A Scientometric Analysis of Research Trends and Knowledge Structure on the Climate Effects of Irrigation between 1993 and 2022
by Siyu Huang, Sien Li, Mousong Wu, Chunyu Wang and Danni Yang
Agronomy 2023, 13(10), 2482; https://doi.org/10.3390/agronomy13102482 - 26 Sep 2023
Viewed by 649
Abstract
Irrigation, as one of the most impactful human interventions in the terrestrial water cycle, has been arousing great attention due to research on the impacts of its interaction with climate. In this paper, we used a scientometric analysis method to explore the overall [...] Read more.
Irrigation, as one of the most impactful human interventions in the terrestrial water cycle, has been arousing great attention due to research on the impacts of its interaction with climate. In this paper, we used a scientometric analysis method to explore the overall publication output of the climatic effects of irrigation (CEI) field from the Web of Science Core Collection (WSCC) database, covering the time period from 1993 to 2022. And, through a visual scientific citation analysis tool, CiteSpace, we studied the knowledge structure, disciplinary trajectory, frontier hotspots, and academic impacts in the field of CEI. Using topic screening, 2919 publications related to irrigation climate were searched. CEI research has gone through the knowledge germination stage (1993–2005), knowledge accretion stage (2006–2012), and the knowledge prosperity stage (2013–2022), respectively. Ecology, earth, and marine are the most influential disciplines of research in this field, and they are influenced by earth, geology, geophysics and plant, ecology, zoology. AWM and SOTTE are the most popular journals currently. The academic impacts of scientific stakeholders are uneven. European and American countries have profound influence in the research field. The keyword of “Climate change” is the turning point in the co-word analysis network, and research hotspots focus on “carbon dioxide”, “model”, “climate”, “growth”, “temperature”, “biomass”, “global warming”, “CO2”, “global change”, “dynamics”, “adjustments”, and “atmospheric CO2”. The knowledge base of the CEI field can be divided into 14 clusters, such as cotton production, semi-arid condition, and irrigation water supply, and these three clusters are the three largest among them. This paper offers a comprehensive scientometric review of CEI, and, to some degree, provides some reference for the relevant research on the climate effects of irrigation, which will be beneficial to understand the current research situation and development trend in this field, as well as provide state-of-the-art and future perspectives. Full article
(This article belongs to the Special Issue Water Saving Irrigation Mechanism and Regulation Technology for Improving Crop Water Use Efficiency)
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