Special Issue "Rhizosphere Research in Agriculture"

A special issue of Agriculture (ISSN 2077-0472).

Deadline for manuscript submissions: 28 February 2019

Special Issue Editor

Guest Editor
Dr. Youry Pii

Faculty of Science and Technology, Free University of Bozen-Bolzano, Bolzano, Italy
Website | E-Mail
Interests: Plant Growth Promoting Rhizobacteria, Iron deficiency, Iron-Sulphur interplay, Nitrate uptake, Rhizosphere Microbiome, Agrochemicals

Special Issue Information

Dear Colleagues,

It has been widely assessed that the increase in the world’s population, which is predicted to reach nine billion people by 2050, requires that agriculture maintain and/or enhance its productivity potential to meet the global demand of food. Up to now, this objective has been fulfilled by progressively increasing the input of external fertilizers; however, in the last few decades, fertilizer inputs did not enhanced crop yield proportionally, but posed serious threat for the environment. The overcoming of this issue necessarily requires the improvements in nutrients-use efficiency of crops, which can be achieved by deeply understanding and, afterwards, exploiting the intrinsic biological potential of rhizosphere processes.

The rhizosphere is commonly used to describe the volume of soil influenced by root biological activities and it represents a complex and highly-dynamic environment where a vast number of interactions, between roots, minerals, organic compounds, solutes, gases, and microorganisms, determine the biogeochemical cycling of elements. In spite of its pivotal importance, rhizosphere research faces several challenges, mainly related to i) the study of root activities under field conditions, ii) the correlation of the root activities with the physical-chemical alterations of both rhizosphere soil and microbiome, iii) the understanding of the molecular mechanisms underpinning root exudation and nutrients uptake, and iv) modelling acquired knowledge to develop strategies to manage the rhizosphere, aimed at improving agriculture productivity and sustainability.

On these bases, the main aim of this Special Issue, “Rhizosphere Research in Agriculture”, is to bring together the more up-to-date pieces of knowledge concerning: i) the relationships established between plants, soil, and microorganisms in the rhizosphere, ii) the molecular/biochemical mechanisms underlying the release of root exudates and the acquisition of nutrients, and iii) innovative tools and methods for rhizosphere research.

Dr. Youry Pii
Guest Editor

Manuscript Submission Information

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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 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 550 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.


  • Rhizosphere
  • Rhizosphere Microbiome
  • Plant Growth Promotion
  • Nutrients Dynamics
  • Nutrient Uptake
  • Rhizodeposition
  • Root Exudates

Published Papers (1 paper)

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Open AccessArticle Tripartite Relationships in Legume Crops Are Plant-Microorganism-Specific and Strongly Influenced by Salinity
Agriculture 2018, 8(8), 117; https://doi.org/10.3390/agriculture8080117
Received: 6 May 2018 / Revised: 13 July 2018 / Accepted: 14 July 2018 / Published: 24 July 2018
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This study investigated the effects of specific strains of two arbuscular mycorrhizae fungi (AMF) (Rhizophagus irregularis and Claroideoglomus claroideum) and of two plant growth-promoting bacteria (PGPB) (Rhizobium leguminosarum and Burkholderia spp.), supplied either individually or as combination of a mixture
[...] Read more.
This study investigated the effects of specific strains of two arbuscular mycorrhizae fungi (AMF) (Rhizophagus irregularis and Claroideoglomus claroideum) and of two plant growth-promoting bacteria (PGPB) (Rhizobium leguminosarum and Burkholderia spp.), supplied either individually or as combination of a mixture of both arbuscular mycorrhizae fungi with each bacteria on root morphology, growth and fresh grain yield in pea (Pisum sativum L.) plants. Inoculated and non-inoculated pea plants were subjected to two levels of salinity (0 and 50 mM) by the addition of sodium chloride into tap water. Prior to fresh grain harvesting the morphology of root system was analyzed and the dry matter of roots and shoots were individually measured in randomly selected plants. Fresh pods were individually harvested per each plant; fresh (green) grains were separately counted and weighted per each pod at each individual plant, and the average grain weight was calculated by dividing total grain weight of plant with the respective number of green grains. The raise of salinity in the irrigation water strongly diminished the growth of pea plants by significantly reducing weight, length, surface area and root volume of pea plants. The relationships of pea plants with beneficiary fungi and bacteria were specific to each microorganism and highly depended on the environment. We found that under saline conditions, Rhizophagus irregularis provided a better vegetative growth and a higher yield than Claroideoglomus claroideum. Although, single application of Burkolderia spp. provides a better vegetative growth than single application of Rhizobium leguminosarum the best results, in terms of growth and harvested yield, were still obtained by combined application of AM fungi with Rhizobium leguminosarum. This combination was able to sustain the average grain weight at the level of non-saline plants and provided a significantly higher yield than the control plants. Full article
(This article belongs to the Special Issue Rhizosphere Research in Agriculture)

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