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Soil Fertility Improvement and Integrated Nutrient Management—a Pathway to Sustainable Agriculture

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Resources and Sustainable Utilization".

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 4119

Special Issue Editors


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Guest Editor
Laboratory of Agronomy, Department of Crop Science, Agricultural University of Athens, 11855 Athens, Greece
Interests: agronomy; crop science; organic agriculture; fertilization; weeds; tillage; feed crops; alternative crops; industrial crops; sustainable agriculture; medicinal plants
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Laboratory of Agronomy, Department of Crop Science, Agricultural University of Athens, 11855 Athens, Greece
Interests: fertilization; organic agriculture; weed management; tillage; novel crops
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The agricultural sector is under immense demand to ensure food and nutritional security for the world’s growing population, which is expected to reach 9.8 billion people by 2050, according to the United Nations. In this context, agriculture places unpredictably high demands on natural resources, which could hinder environmental protection and degrade agricultural land. This situation has sparked a heated debate about the quest for more efficient fertilizer use and more sustainable use of soil nutrients, highlighting the need for better nutrient management and, more importantly, the integration of methods and practices aimed at achieving proper plant nutrition and productivity goals. The emergence of new agricultural practices, fertilization methods, amendments, and plant nutrition sources, as well as the use of bacteria and fungi to improve the efficiency of nutrient use by crops, are all interesting and sustainable solutions for maintaining soil life, improving fertility, and feeding plants for sufficient and high-quality agricultural production to promote sustainable agriculture. In order to minimize contamination and environmental consequences, it is beneficial to valorize new and/or existing sources of fertilizers and soil improvers, either directly (direct input to the soil) or indirectly (physicochemical transformation). Therefore, to optimize nutrient supply to crops and minimize the environmental risk of nutrient use, it is critical to understand nutrient reactions and processes in soils (soil fertility) and to efficiently manage inorganic and organic nutrient inputs (nutrient management).

For this Special Issue, authors are invited to publish articles focusing on recent scientific progress and innovation in soil fertility and plant nutrition for sustainable agriculture. We welcome novel research, reviews, and opinion papers covering all related topics that enhance our understanding of new agricultural practices that maintain and/or restore soil life and fertility, new methods and technologies for mineral and organic feeding, plant fertilization, new sources of and processes for providing healthy food without negative impact on the soil, and the use of plant cover and/or crop associations.

We look forward to receiving your contributions.

Dr. Ioannis Roussis
Dr. Ioanna Kakabouki
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. Sustainability 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 2400 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

  • soil quality
  • soil organic matter
  • plant nutrition
  • integrated nutrient management
  • nutrient use efficiency
  • no-tillage agriculture
  • biostimulants
  • organic fertilizers and biofertilizers plant growth promoting rhizobacteria
  • crop residues
  • compost

Published Papers (2 papers)

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Research

12 pages, 510 KiB  
Article
The Influence of Arbuscular Mycorrhizal Fungus Rhizophagus irregularis on the Growth and Quality of Processing Tomato (Lycopersicon esculentum Mill.) Seedlings
by Ioannis Roussis, Dimitrios Beslemes, Chariklia Kosma, Vassilios Triantafyllidis, Anastasios Zotos, Evangelia Tigka, Antonios Mavroeidis, Stella Karydogianni, Varvara Kouneli, Ilias Travlos and Ioanna Kakabouki
Sustainability 2022, 14(15), 9001; https://doi.org/10.3390/su14159001 - 22 Jul 2022
Cited by 7 | Viewed by 1698
Abstract
Tomato (Lycopersicon esculentum Mill.) is one of the most valuable horticultural crops, not only for its economic importance but also for its high nutritional value and sensory qualities. The arbuscular mycorrhiza (AM) fungus Rhizophagus irregularis can improve plant nutrient uptake and decrease [...] Read more.
Tomato (Lycopersicon esculentum Mill.) is one of the most valuable horticultural crops, not only for its economic importance but also for its high nutritional value and sensory qualities. The arbuscular mycorrhiza (AM) fungus Rhizophagus irregularis can improve plant nutrient uptake and decrease seedling transplanting shock. Although R. irregularis is one of the most extensively studied AMF species, there is a paucity of data on the effects of this species on processing tomato seedlings produced in an aerated hydroponic float system. A greenhouse experiment with four treatments and three replications was established in a completely randomized design. The treatments contained the addition of 0, 40, 80, and 120 fungal spores per L of nutrient solution (control, AMF1, AMF2, and AMF3, respectively). Root colonization analysis proved that the maximum dose of applied AMF (AMF3) supported colonization to a large extent, succeeding 36.74%. In addition, the highest values of total dry weight (1.386 g), survival rate (94.79%), N content (3.376 mg per 100 g DW) and P content (0.497 mg per 100 g DW) were also observed under AMF3 treatment. In conclusion, the application of high doses of the AM fungus R. irregularis in nutrient solutions of float system leads to a substantial improvement in the quality and growth of processing tomato seedlings. Full article
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25 pages, 1054 KiB  
Article
Nitrogen Uptake, Use Efficiency, and Productivity of Nigella sativa L. in Response to Fertilization and Plant Density
by Ioannis Roussis, Ioanna Kakabouki, Dimitrios Beslemes, Evangelia Tigka, Chariklia Kosma, Vassilios Triantafyllidis, Antonios Mavroeidis, Anastasios Zotos and Dimitrios Bilalis
Sustainability 2022, 14(7), 3842; https://doi.org/10.3390/su14073842 - 24 Mar 2022
Cited by 6 | Viewed by 1880
Abstract
Nigella sativa L. has been recognized as one of the most important medicinal plants in many parts of the world for centuries. The purpose of the current study was to evaluate the effects of fertilization and plant density on nitrogen uptake, utilization efficiency, [...] Read more.
Nigella sativa L. has been recognized as one of the most important medicinal plants in many parts of the world for centuries. The purpose of the current study was to evaluate the effects of fertilization and plant density on nitrogen uptake, utilization efficiency, and productivity of N. sativa under Mediterranean conditions. The three-year experiment was set up in a split-plot design with three replications. There were 2 plant densities; 200 and 300 plants m−2 with 4 fertilization levels: control, seaweed compost, farmyard manure and inorganic fertilizer. The highest seed yield (749–840 kg ha−1) was found in plants subjected to low-density and inorganic fertilization. The seed nitrogen (N) uptake as well as the nitrogen harvest index (NHI) were positively affected by the increase of available nitrogen and negatively by the increase of plant density, with their highest values recorded in the low-density and inorganic fertilization. In conclusion, plant densities greater than 200 plants m−2 result in higher crop growth but lower seed yield and decreased nitrogen uptake and use efficiency in N. sativa seeds, whereas the application of inorganic fertilizers increases crop yield, nitrogen uptake, and utilization efficiency because these fertilizers present higher nitrogen levels with higher solubility and thus faster availability for the crop in comparison with organic fertilizers. Full article
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