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Agronomy
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Techniques Applied to Grass Fields for Controlling Salinity and Water...
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Techniques Applied to Grass Fields for Controlling Salinity and Water Stress

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Grassland and Pasture Science".

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 2827

Special Issue Editors

Prof. Dr. Jose Beltrao

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Guest Editor
Faculty of Sciences and Technology, University of Algarve, Unversity of Algarve, 8005-139 Faro, Portugal
Interests: wastewater reuse; salinity; irrigation; turfgrass; modelling; water quality; agriculture
Prof. Dr. Miquel Salgot

E-Mail Website
Co-Guest Editor
Department of Biology, Healthcare and Environment, University of Barcelona, Gran Via de les Corts Catalanes, 585, 08007 Barcelona, Spain
Interests: soil science; agricultural chemistry; hidrology; wastewater reuse
Prof. Dr. Süer Anaç

E-Mail Website
Co-Guest Editor
Department of Agricultural Structures and Irrigation, Faculty of Agriculture, Ege University, 35100 Bornova-İzmir, Turkey
Interests: irrigation; salinity; wastewater reuse; water resources management; irrigation water quality
Dr. Nikolaos Ntoulas

E-Mail Website
Co-Guest Editor
Laboratory of Floriculture and Landscape Architecture, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece
Interests: urban horticulture; green roofs; living walls; turfgrass science and management; inorganic and organic amendments
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Due to the lack of water in arid and semiarid areas in coastal regions—namely, potable and fresh water—luxurious uses are increasingly contested. In order to solve this problem, low-quality water has gained an increasingly more prevalent role in the planning and development of additional water supplies. In most cases, the salination process is due to irrigation management practices and sea water intrusion. The use of low-quality water for irrigation purposes of grass fields, such as golf courses, other sport fields, gardens and parks, has reduced grass growth and quality, increasing soil salination whilst deteriorating soil structure and permeability. Conventional protection techniques to combat the salination process and water stress of grass fields include soil leaching, enhanced fertilization, localized irrigation systems, use of salt tolerant grass species. However, though these protection techniques may be very useful to plants, they do not solve the problem of soil or groundwater contamination. We especially encourage authors to take advantage of environmentally safe and clean protection techniques of grass fields (drought tolerant grass species, salt-removing grass species, especially grass soil substrates, adequate irrigation systems, minimal water levels that are enough to obtain a good visual appearance of grass), therefore, maintaining their sustainability.

Prof. Dr. Jose Beltrao
Prof. Dr. Miquel Salgot
Prof. Dr. Süer Anaç
Dr. Nikolaos Ntoulas
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

  • grass field
  • golf course
  • drought tolerant grass species
  • salt-removing grass species
  • irrigation system
  • soil leaching
  • soil substrate
  • clean protection techniques
  • soil contamination

Published Papers (1 paper)

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Research

17 pages, 1663 KiB  
Article
Linear Relationship of a Soil Total Water Potential Function and Relative Yield—A Technique to Control Salinity and Water Stress on Golf Courses and Other Irrigated Fields
by Jose Beltrao, Gulom Bekmirzaev, Jiftah Ben Asher, Manuel Costa and Thomas Panagopoulos
Agronomy 2021, 11(10), 1916; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy11101916 - 24 Sep 2021
Viewed by 2002
Abstract
A simple empirical approach is proposed for the determination of crop relative yield (%) through the soil total water potential (kPa). Recurring to decimal logarithms, from analytical exponential expressions, a linear simple relationship of soil total water potential Ψt (matric Ψm + potential [...] Read more.
A simple empirical approach is proposed for the determination of crop relative yield (%) through the soil total water potential (kPa). Recurring to decimal logarithms, from analytical exponential expressions, a linear simple relationship of soil total water potential Ψt (matric Ψm + potential Ψo) function and crop relative yield was studied and developed. The combination of the salinity model, the soil water retention model and the matric potential approach were used to reach this objective. The representation of turfgrass crop relative yield (%) versus a function of soil total water potential f(Ψt) values was shown through a log-normal graph (y = a + mx); the log scale axis “y” (ordinates) defines relative yield Yr, being two the origin ordinate “a” and “m” the slope; the normal decimal scale axis “x” (abscissa) is the function of soil total water potential f(Ψt). Hence, it is possible, using only two experimental points, to define a simple linear relation between a function of soil total water potential and crop relative yield, for a soil matric potential value lower than −20 kPa. This approach was first tested on golf courses (perennial turfgrass fields), but it was further decided to extend it to other annual crop fields, focused on the model generalization. The experimental plots were established, respectively, in Algarve, Alentejo and Oeiras (Portugal) and in the North Negev (Israel). Sprinkler and trickle irrigation systems, under randomized blocks and/or water and salt gradient techniques, were used for water application with a precise irrigation water and salt distribution. Results indicated that there is a high agreement between the experimental and the prediction values (R2 = 0.92). Moreover, the precision of this very simple and easy tool applied to turfgrass fields and other irrigated soils, including their crop yields, under several different sites and climatic conditions, can contribute to its generalization. Full article
(This article belongs to the Special Issue Techniques Applied to Grass Fields for Controlling Salinity and Water Stress)
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