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Agronomy
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The Effects of Irrigation and Fertilization Management on Cropping Systems—2nd...
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The Effects of Irrigation and Fertilization Management on Cropping Systems—2nd Edition

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Innovative Cropping Systems".

Deadline for manuscript submissions: 28 February 2025 | Viewed by 1028

Special Issue Editors

Prof. Dr. Aiwang Duan

E-Mail Website
Guest Editor
Institute of Farmland Irrigation, Chinese Academy of Agricultural Sciences, Xinxiang 453003, China
Interests: irrigation management; crop evapotranspiration; water productivity
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Yang Gao

E-Mail Website
Guest Editor
Institute of Farmland Irrigation, Chinese Academy of Agricultural Sciences, Xinxiang 453003, China
Interests: irrigation management; saline water irrigation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Irrigation and fertilizer application are two important factors affecting the yield and utilization efficiency of water and fertilizers in different cropping systems. However, the interaction effects of different irrigation schedules and the combined management of fertilizer application on the performance of cropping systems remain poorly understood.

Recent progress has revealed the impact of irrigation and fertilization on crop growth, development, yield, and composition, and scientists have developed models for simulating crop response to irrigation scheduling at different growing stages. Meanwhile, the mechanism and simulation of crop response to different irrigation and fertilization applications challenge our current understanding of crop systems. This Special Issue aims to shed light on the complexity of irrigation and fertilization management on crop phenotype, physiological and biochemical processes, yield performance, and quality formation under different scenarios.

The research in this Special Issue includes the following topics: characterizing and quantifying the responses of crop physiology and biochemistry to different irrigation regimes and fertilizer applications; the priming of irrigation and fertilization on crop physiology and yield; the regulation of phytohormones on crop growth and yield formation under different scenarios of irrigation and fertilization, from the plant to the system; water and nutrient transport from the root to the shoot under different regimes of irrigation and fertilization; and the performance of crop systems under different irrigation regimes and fertilizer applications.

Research articles, review articles, and short communications are invited for submission to this Special Issue.

Prof. Dr. Aiwang Duan
Prof. Dr. Yang Gao
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

  • irrigation management
  • fertilization
  • cropping system
  • yield and quality
  • water productivity
  • nitrogen use efficiency
  • crop model

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Related Special Issue

Published Papers (1 paper)

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Research

25 pages, 4117 KiB  
Article
Modeling the Effects of Irrigation and Its Interaction with Silicon on Quinoa Seed Yield and Water Use Efficiency in Arid Regions
by Amira M. El-Tahan, Mohamed Emran, Fatmah A. Safhi, Asal M. Wali, Sherien E. Sobhy and Omar M. Ibrahim
Agronomy 2024, 14(9), 2088; https://doi.org/10.3390/agronomy14092088 - 12 Sep 2024
Viewed by 809
Abstract
Despite quinoa (Chenopodium quinoa Willd.) gaining international popularity in the early 21st century for its nutritional benefits, there remains a critical need to optimize its cultivation practices in arid regions. Current research often overlooks the combined effects of supplemental irrigation and foliar [...] Read more.
Despite quinoa (Chenopodium quinoa Willd.) gaining international popularity in the early 21st century for its nutritional benefits, there remains a critical need to optimize its cultivation practices in arid regions. Current research often overlooks the combined effects of supplemental irrigation and foliar treatments on quinoa’s yield and water efficiency, particularly under challenging environmental conditions like those in Borg El-Arab, Egypt. Field studies were conducted in Borg El-Arab, Alexandria, Egypt, during the winter seasons of 2021/2022 and 2022/2023 to determine the influence of supplemental irrigation (rainfed, 2000, and 4000 m3/hectare, respectively) and foliar spraying of sodium silicate (control, 200, and 400 ppm) on yield, yield components, seed quality, and water usage efficiency in quinoa cv. Chibaya grown in arid lands. Three replications were used in a split-plot design. The main plots were designated for irrigation, while the subplots were designated for foliar spraying. The results indicate that applying irrigation at a rate of 4000 m3/hectare significantly increased leaf dry weight per plant by 23.5%, stem dry weight per plant by 18.7%, total dry weight per 25 plants by 21.4%, leaf area per plant by 19.2%, and straw yield by 26.8% compared to the control treatment. There were no significant differences between irrigation with the rate of 4000 m3 or 2000 m3/hectare on biological yield kg/hectare, N (%), P (mg/100 g), and protein (%). The utilization of sodium silicate had no significance on all studied features except for straw yield kg ha−1 at the rate of 200 or 400 ppm. The results regarding the RAPD1 primer revealed that the 2000+0 silicon treatment was the only treatment that resemble the control with no up- or downregulated fragment. Moreover, 20 upregulated fragments were observed in all treatments, while 19 DNA fragments were downregulated. Furthermore, the results obtained regarding the RAPD2 primer revealed that 53 fragments were upregulated and 19 downregulated. Additionally, the RAPD3 primer demonstrated that 40 DNA fragments were upregulated, whereas 18 downregulated DNA fragments were detected. It may be inferred that the application of irrigation at a rate of 4000 m3 ha−1 might serve as a supplemental irrigation method. Spraying sodium silicate at a 400 mg L−1 concentration could alleviate the dry climate on the Egyptian shore. Full article
(This article belongs to the Special Issue The Effects of Irrigation and Fertilization Management on Cropping Systems—2nd Edition)
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