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Effects of New Types of Fertilizers on Soil and Crop...
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Effects of New Types of Fertilizers on Soil and Crop Physiological Quality

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Crop Production".

Deadline for manuscript submissions: 31 July 2025 | Viewed by 1082

Special Issue Editor

Dr. Dunyi Liu

E-Mail Website
Guest Editor
Chongqing Key Laboratory of Efficient Utilization of Soil and Fertilizer Resources, College of Resources and Environment, Academy of Agricultural Sciences, Southwest University, Chongqing 400716, China
Interests: nano-fertilizers; micronutrients; biofortification; crop production; nutritional quality

Special Issue Information

Dear Colleagues,

Fertilizer is the “nourishment” of crops, serving as a strategic material that supports crop production and food safety, nutrition quality, and the sustenance of the global population of 7.8 billion people. Currently, the imperative challenges of agricultural green transformation lie in fertilizer innovation, which necessitates achieving resource efficiency, environmental sustainability, nutrition and health, as well as the promotion of green and low-carbon practices. From this perspective, new types of fertilizers are the key to overcoming the existing production barriers associated with traditional agriculture and conventional fertilizers. These include nano-fertilizers, stable synergistic fertilizers, long-term controlled release fertilizers, microbial fertilizers, microbial inhibitors, and other green intelligent fertilizers, which have the advantages of stability, low dosage requirements, slow release, long-lasting efficacy, sustainability, multifunction responses, etc. Therefore, the application of new types of fertilizers can not only enhance crop growth and improve yield and nutritional quality but also mitigate the risk of carbon release while promoting environmental protection and sustainable green development.

The topic of interest of this Special Issue is the “Effects of New Types of Fertilizers on Soil and Crop Physiological Quality”, for the Section “Crop Production”. This Special Issue focuses on the development and application of new types of fertilizers and their effects on the cycling of soil nutrients, soil microbial processes, and the physiological processes influencing crop yield and quality formation. Moreover, it seeks to promote interdisciplinary investigations encompassing chemistry and engineering disciplines in material synthesis, biology studies in crops, as well as regulatory mechanisms. Original research articles and reviews are accepted.

Dr. Dunyi Liu
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. Agriculture 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

  • nano-fertilizers
  • stable synergistic fertilizers
  • controlled release fertilizers
  • microbial fertilizers
  • microbial inhibitors
  • soil nutrient cycling
  • soil microbiology
  • crop production
  • plant physiology
  • nutritional quality
  • sustainable agricultural

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Published Papers (1 paper)

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Research

17 pages, 3814 KiB  
Article
Compared to MgSO4, the Use of Magnesium Nanofertilizer Alleviates Potassium-Magnesium Antagonism in Tomato Roots
by Wenhui Chen, Ziyi Hu and Dunyi Liu
Agriculture 2025, 15(4), 368; https://doi.org/10.3390/agriculture15040368 - 9 Feb 2025
Viewed by 722
Abstract
Magnesium (Mg) deficiency is increasingly recognized as a critical factor limiting crop production, especially in soils with high potassium (K) application. This study investigated the effects of different Mg fertilizers (MgSO4 and Mg(OH)2-based nanofertilizer) on K–Mg interactions in hydroponically grown [...] Read more.
Magnesium (Mg) deficiency is increasingly recognized as a critical factor limiting crop production, especially in soils with high potassium (K) application. This study investigated the effects of different Mg fertilizers (MgSO4 and Mg(OH)2-based nanofertilizer) on K–Mg interactions in hydroponically grown tomato seedlings, with varying K (0.7, 7, and 21 mM) and Mg (0.1 and 1 mM) supply concentrations. The results observed with MgSO4 application showed that high K levels (21 mM) significantly antagonized Mg uptake, reducing total Mg content and negatively affecting plant growth and root-to-shoot ratios at both Mg supply levels. Specifically, the K3 (21 mM) treatment reduced total biomass by 45.35% compared to the K2 (7 mM) treatment. Moreover, a high K supply combined with low Mg intake exacerbated Mg deficiency. The optimal K:Mg ratio for growth was found to be 7:1. K–Mg antagonism occurred primarily during root uptake, with excessive K leading to increased Mg2+ efflux in the root elongation zone. Notably, the application of Mg(OH)2 nanoparticles alleviated K-induced Mg deficiency, as indicated by the lack of a significant correlation between K supply and relative Mg concentrations in plants treated with nano-Mg across K:Mg ratios ranging from 7:0.1 to 21:0.1. However, Mg concentration decreased by 17.54% and 35.63% in shoots and by 27.72% and 37.08% in roots for K2 and K3, respectively, in plants treated with MgSO4. It is concluded that optimizing K:Mg ratios and using Mg-based nanofertilizers can improve K and Mg utilization in high-K soils. Full article
(This article belongs to the Special Issue Effects of New Types of Fertilizers on Soil and Crop Physiological Quality)
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