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Agronomy
Special Issues
Innovative Fertilizer – Fostering Resilient Agriculture
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Innovative Fertilizer – Fostering Resilient Agriculture

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Agroecology Innovation: Achieving System Resilience".

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 10255

Special Issue Editors

Dr. Javier Erro

E-Mail Website
Guest Editor
Department of Chemistry and Soil Chemistry, University of Navarra, 31007 Pamplona, Spain
Interests: plant phosphate nutrition; soil remediation; phosphate fertilizers; nutrient use efficiency
Special Issues, Collections and Topics in MDPI journals
Dr. Maite Olaetxea

E-Mail Website
Guest Editor
Department of Environmental Biology, BIOMA Institut, Sciences School, University of Navarra, 31007 Pamplona, Spain
Interests: biostimulant activity and nutrient complexing of humic acids; molecular and genetic mechanisms of biostimulants and fertilizers
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Since the mid-1950s, the overuse of low-efficiency synthetic fertilizers to increase crop productivity has increased soil and water pollution with the subsequent damage to the surrounding ecosystems. In addition, the abusive use of non-renewable reserves to produce fertilizers has compromised future supplies. As a result, the decrease in nutrient inputs in soil is of particular concern, and legal restrictions are being implemented to address this issue.

In this context, the development of new technologies toward more efficient and sustainable strategies to maintain crop production reducing fertilizers application is essential. To this aim, it is vital to use alternative resources as well as reduce the environmental impact.

Likewise, the study of the impact of fertilizers in soil–nutrient and plant–nutrient interactions is necessary with the purpose of testing the decrease in nutrient losses and the adaptation of nutrient release to fit crop demands. In this line, different variables should be considered in order to cover a broad range of scenarios, such as the type of crops, soil pH, fertilizer solubility, dose, size and location, and experimental duration. In this sense, long-term assays could be of interest in the study of residual effects to test both fertilizer efficiency and nutrient use efficiency in plants.

Dr. Javier Erro
Dr. Maite Olaetxea
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

  • fertilizers
  • resilient
  • sustainability
  • environmental impact
  • efficiency

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Published Papers (2 papers)

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Research

15 pages, 1722 KiB  
Article
Effects of Organic Fertilizer Replacement Nitrogen Fertilizer on Nitrogen Utilization and Growth of Mung Bean: Evidence from 15N-Tracing Technology
by Ennan Zheng, Yinhao Zhu, Mengting Qin, Peng Chen, Ming Liu and Zhijuan Qi
Agronomy 2023, 13(1), 235; https://doi.org/10.3390/agronomy13010235 - 12 Jan 2023
Cited by 5 | Viewed by 7415
Abstract
To optimize a suitable fertilization method needed for high nitrogen utilization and growth of mung bean in the black soil of Northeast China, a field experiment was carried out with 10 treatments based on isotope-tracing technology. The nitrogen fertilizer utilization, residual, loss and [...] Read more.
To optimize a suitable fertilization method needed for high nitrogen utilization and growth of mung bean in the black soil of Northeast China, a field experiment was carried out with 10 treatments based on isotope-tracing technology. The nitrogen fertilizer utilization, residual, loss and dry-matter transportation, leaf area, photosynthetic potential, and wet-basis moisture content of mung bean were discussed. The results showed that the total utilization rate of nitrogen fertilizer under different treatments was 34.75~47.71%, while in the 0~15 cm soil layer, the total residual rate was 11.36~33.69%, and the loss rate was 21.03~53.89%. The T1 treatment had the lowest total nitrogen fertilizer utilization rate and the greatest loss rate. The leaf area and photosynthetic potential at the seedling stage in the T9 treatment, the branching stage in the T2 treatment, and the flowering stage in the T4 and T9 treatments were 5.11~31.82% higher than those in the CK treatment, and the values at the drumming and maturing stages were significantly lower than those in the CK treatment (p < 0.05). The total wet-basis water content of the root, stem, leaf, and pod in the whole stages compared with the CK treatment increased by 3.35~7.41% in T4, T5, T7, and T8. In the T6 and T9 treatments, the output rate of stem-sheath storage matter and the transformation rate were significantly higher than those in the T1 treatment (p < 0.05). The dry-matter accumulation in the T1 and T9 treatments was significantly different from that in the CK treatment, which increased by 27.72% and 5.10%, respectively. Thus, organic fertilizer coupled with nitrogen fertilizer can improve the nitrogen fertilizer utilization rate and the growth of mung beans. Full article
(This article belongs to the Special Issue Innovative Fertilizer – Fostering Resilient Agriculture)
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9 pages, 2020 KiB  
Article
Mechanochemical Preparation of a Novel Slow-Release Fertilizer Based on K2SO4-kaolinite
by Ehab AlShamaileh, Mohammad Alrbaihat, Iessa Moosa, Qusay Abu-Afifeh, Hebah Al-Fayyad, Imad Hamadneh and Aiman Al-Rawajfeh
Agronomy 2022, 12(12), 3016; https://doi.org/10.3390/agronomy12123016 - 29 Nov 2022
Cited by 5 | Viewed by 2217
Abstract
In this study, a novel slow-release fertilizer (SRF) consisting of kaolinite and K2SO4 was prepared, employing the process of mechanochemical milling in a planetary ball mill. To obtain the optimum milling time and speed, several samples were made at fixed [...] Read more.
In this study, a novel slow-release fertilizer (SRF) consisting of kaolinite and K2SO4 was prepared, employing the process of mechanochemical milling in a planetary ball mill. To obtain the optimum milling time and speed, several samples were made at fixed mass ratios of kaolinite: K2SO4 (3:1). The milling rotational speed ranged from 200 to 700 rpm for 120 min. Different milling times ranging from 60 to 180 min at fixed 600 rpm milling speed were also investigated to evaluate the incorporation of K2SO4 and to measure the liberation of K+ and SO42− ions into solution. The properties of the studied samples were analyzed by Fourier transformation infrared spectrometry (FTIR), thermal gravimetric analysis (TGA), and ion chromatography (IC). The mechanochemical process is a green chemistry procedure that is successfully applied to incorporate K2SO4 into the amorphous kaolinite structure. The slow-release performance was evaluated by determining the K+ and SO42− content in the aqueous solution upon leaching. The optimum released amount of K+ after 24 h was 32 mg L−1 for the milling conditions of 180 min and 700 rpm, indicating that K2SO4-kaolinite has good slow-release properties. The novel SRF is cost-effective, environmentally friendly, and improves the fertilizer’s efficiency in many agricultural applications. Full article
(This article belongs to the Special Issue Innovative Fertilizer – Fostering Resilient Agriculture)
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