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Agronomy
Special Issues
Application of Soil Sensing Technology in Irrigated Agricultural Land
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Application of Soil Sensing Technology in Irrigated Agricultural Land

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Water Use and Irrigation".

Deadline for manuscript submissions: closed (31 July 2021) | Viewed by 7726

Special Issue Editor

Prof. Isabel Pedroso De Lima

E-Mail Website
Guest Editor
Department of Civil Engineering, University of Coimbra, Rua Luis Reis Santos, Pólo II Univ. Coimbra, 3030-788 Coimbra, Portugal
Interests: soil and water conservation; water use adaptation to climate change; hydroclimatological extremes; spatiotemporal scale issues in hydroclimatology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear colleagues,

The application of soil sensing technology in agriculture is becoming increasingly essential to meet the ever growing requirements associated with accurately estimating the spatiotemporal pattern of irrigation water needs and the related dynamic irrigation scheduling, as well as to improving land management, preserving soil and water, and contributing to balancing production and environmental quality. Real-time, sensor-based, and soil-water balance scheduling methods are key in the complex challenge of augmenting irrigation water use efficiency and water productivity while maintaining crop productivity and quality, and keeping environmental impacts low. Difficulties are enhanced by the increasing variability in edaphoclimatic factors in irrigated agriculture due to climate change, pressure on the resource (water), food demand and sustainability issues.

Overall, soil sensing can contribute to inform irrigated agriculture and to better deal with water consumption, crop quality, environmental quality and socio-economic sustainability issues at different scales: at the farm and field scales (proximal sensing) and at larger scales (remote sensing), which also enables the improvement of regional, continental, and global soil resource assessments. The support given by the monitoring and assessment of physical and bio-chemical soil attributes and condition, alongside with the understanding of environmental, irrigation, and crop evolution and production conditions is essential and demands combined effort and synergy from different specialization areas.

This Special Issue aims to collect research papers and reviews that take stock of the current status of technology, techniques, and modelling concepts that contribute to improve the monitoring of the soil condition and advance our current understanding of relevant processes and dynamics in irrigated agriculture. It constitutes an opportunity to gather studies and multidisciplinary approaches related to advanced soil sensing technologies and innovative methodologies for irrigation water management and soil conservation at different spatial and temporal scales, including those that combine proximal and remote sensing. Contributions reporting novel technological developments, theoretical, numerical, and field or laboratory experimental results, as well as engineering applications, are welcome.

Prof. Isabel Pedroso De Lima
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. 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

  • soil water balance
  • irrigation water use efficiency
  • water productivity
  • precision agriculture
  • predictive irrigation scheduling
  • soil moisture sensors
  • multi-sensors systems
  • soil and water conservation
  • environmental monitoring
  • proximal and remote sensing

Published Papers (2 papers)

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Research

13 pages, 3480 KiB  
Article
FPGA-Embedded Smart Monitoring System for Irrigation Decisions Based on Soil Moisture and Temperature Sensors
by Aziz Oukaira, Amrou Zyad Benelhaouare, Emmanuel Kengne and Ahmed Lakhssassi
Agronomy 2021, 11(9), 1881; https://doi.org/10.3390/agronomy11091881 - 19 Sep 2021
Cited by 14 | Viewed by 4847
Abstract
The basic need common to all living beings is water. Less than 1% of the water on earth is fresh water and water use is increasing daily. Agricultural practices alone require huge amounts of water. The drip technique improved the efficiency of water [...] Read more.
The basic need common to all living beings is water. Less than 1% of the water on earth is fresh water and water use is increasing daily. Agricultural practices alone require huge amounts of water. The drip technique improved the efficiency of water use in irrigation and initiated the introduction and development of fertigation, the integrated distribution of water and fertilizer. The past few decades have seen extensive research being carried out in the area of development and evaluation of different technologies available to estimate/measure soil moisture to aid in various applications and to facilitate the use of drip irrigation for users and farmers. In this technology, plant moisture and temperature are accurately monitored and controlled in real time over roots in the form of droplets, by developing smart monitoring system to save water and avoid water waste using drip irrigation technology. Water is delivered to the roots drop by drop, which saves water as well as prevents plants from being flooded and decaying due to excess water released by irrigation methods such as flood irrigation, border irrigation, furrow irrigation, and control basin irrigation. Drip irrigation with an embedded intelligent monitoring system is one of the most valuable techniques used to save water and farmers’ time and energy. In this paper, we design an embedded monitoring system based in the integrated 65 nm CMOS technology in agricultural practices which would facilitate agriculture and enable farmers to monitor crops. Hence, to demonstrate the feasibility, a prototype was constructed and simulated with modelsim and validated with nclaunch the both tools from Cadence, as well as implementation on the FPGA board, was be performed. Full article
(This article belongs to the Special Issue Application of Soil Sensing Technology in Irrigated Agricultural Land)
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15 pages, 2459 KiB  
Article
Using Quinine as a Fluorescent Tracer to Estimate Overland Flow Velocities on Bare Soil: Proof of Concept under Controlled Laboratory Conditions
by João L. M. P. de Lima, Soheil Zehsaz, M. Isabel P. de Lima, Jorge M. G. P. Isidoro, Romeu Gerardo Jorge and Ricardo Martins
Agronomy 2021, 11(7), 1444; https://doi.org/10.3390/agronomy11071444 - 20 Jul 2021
Cited by 6 | Viewed by 2296
Abstract
This study presents a tracer technique based on the fluorescent properties of quinine to help on the visualization of shallow flows and allow a quantitative measurement of overland flow velocities. Laboratory experiments were conducted to compare the traditional dye tracer and thermal tracer [...] Read more.
This study presents a tracer technique based on the fluorescent properties of quinine to help on the visualization of shallow flows and allow a quantitative measurement of overland flow velocities. Laboratory experiments were conducted to compare the traditional dye tracer and thermal tracer techniques with this novel fluorescent (quinine) tracer by injecting a quinine solution and the other tracers into shallow flowing surface water. The leading-edge tracer velocities, estimated using videos of the experiments with the quinine tracer were compared with the velocities obtained by using thermograms and real imaging videos of the dye tracers. The results show that the quinine tracer can be used to estimate both overland and rill flow velocities, since measurements are similar to those resulting from using other commonly used tracers. The main advantage of using the quinine tracer is the higher visibility of the injected tracer under ultraviolet A (UVA) light for low luminosity conditions. In addition, smaller amounts of quinine tracer are needed than for dye tracers, which lead to smaller disturbances in the flow. It requires a simple experimental setup and is non-toxic to the environment. Full article
(This article belongs to the Special Issue Application of Soil Sensing Technology in Irrigated Agricultural Land)
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