Agricultural Water Stress and Deficit Irrigation

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Agricultural Water Management".

Deadline for manuscript submissions: closed (25 May 2023) | Viewed by 2282

Special Issue Editors


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Guest Editor
Centre for Water Resources Development and Management (CWRDM), Kozhikode 673571, Kerala, India
Interests: agricultural water management; micro irrigation; deficit irrigation; impact of climate change in agriculture; evapotranspiration; drought management

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Guest Editor
Project Coordinator (STCR), ICAR-Indian Institute of Soil Science, Bhopal 462 038, Madhya Pradesh, India
Interests: soil test crop response studies; nutrient and crop management in watershed; spatial variability of soil fertility in watersheds of eastern India plateau; carbon sequestration and conservation agriculture in different land-use system

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Guest Editor
ICAR—Indian Insitutte of Soil and Water Conservation, Research Centre, Udagamandalam, India
Interests: climate change impact assessment; soil–water management studies, soil quality and soil fertility management; soil carbon sequestration; soil mineral weathering studies

Special Issue Information

Dear Colleagues,

Freshwater is the most essential resource for the survival of all organisms, including humans. Despite being a renewable resource, the world is facing water scarcity. Several natural factors, combined with increasing anthropogenic pressure, are turning water scarcity into a widespread concern in many parts of the world. Furthermore, climate change is expected to disrupt hydrological regimes and the availability of water.

In this sense, agriculture is the largest freshwater user. Additionally, its continued growth is increasing the severity of water scarcity and the frequency of imbalance situations between water supply and demand occurring in agro ecosystems around the world, which are facing growing pressure to reduce water use. These facts highlight the need to maximize crop water productivity. Moreover, among the tools that growers can use to achieve this goal, there should be more precise irrigation strategies and scheduling procedures that will protect water resources and their integrity for their future use. However, when water is scarce, farmers are faced with two choices: either to irrigate a smaller land area but meet total ET needs or to irrigate the whole area below the required level. The latter approach is known as deficit irrigation (DI), where plants are subjected to water stress to a level that has minimal effect on plant growth and yield.

Therefore, the aim of this Special Issue is to gather innovative and novel approaches in managing agricultural water stress and/or modeling deficit irrigation strategies, as well as research on tools and mechanisms involved in the response of crops to water stress.

All types of manuscripts (original research, reviews, etc.) are welcome. 

Dr. U. Surendran
Prof. Dr. Pradip Dey
Dr. P. Raja
Guest Editors

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.

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Keywords

  • irrigation management
  • deficit irrigation
  • water stress
  • soil–plant water relationship
  • water use efficiency
  • water productivity
  • water saving technologies
  • evapotranspiration
  • micro irrigation
  • drip fertigation
  • modelling approaches

Published Papers (1 paper)

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Research

16 pages, 4072 KiB  
Article
Crop Coefficient Estimation and Effect of Abscisic Acid on Red Cabbage Plants (Brassica oleracea var. Capitata) under Water-Stress Conditions
by Ebtessam A. Youssef, Marwa M. Abdelbaset, Osama M. Dewedar, José Miguel Molina-Martínez and Ahmed F. El-Shafie
Agriculture 2023, 13(3), 610; https://doi.org/10.3390/agriculture13030610 - 2 Mar 2023
Cited by 3 | Viewed by 1738
Abstract
Understanding the anticipated impact of climate change on agriculture, as well as water conservation, is critical to achieving food security. Therefore, during this critical time and due to reduced water resources and increased food demand, it is important to study the impact of [...] Read more.
Understanding the anticipated impact of climate change on agriculture, as well as water conservation, is critical to achieving food security. Therefore, during this critical time and due to reduced water resources and increased food demand, it is important to study the impact of water-stress conditions on crops. Two successive seasons were carried out through the 2021 and 2022 seasons to estimate the crop coefficient (Kc) and study the effect of abscisic acid on red cabbage plants (Brassica oleracea var. capitata) under water-stress conditions at a private farm in the Bilbeis region, Sharqia Governorate, Egypt. The aim was to estimate the crop coefficient (Kc) and effect of different concentrations of abscisic acid (ABA) (0, 25, 50, and 75 ppm) under various irrigation levels (100, 80, and 60% of field capacity “FC”) on the growth process and yield parameters of red cabbage plants. The results revealed that the average estimated crop coefficient (Kc) for red cabbage crops under standard conditions, 100% of FC, was 0.75, 1.07, 1.2 and 0.88 and 0.77, 1.2, 1.25 and 0.82 for Initial, Development, Mid, and End stages during the 2021 and 2022 growing seasons, respectively. Data collected during both seasons clearly showed that all treatments significantly increased both the plant’s growth process and yield parameters when compared to the control. However, abscisic acid (ABA, 75 ppm) application with irrigation requirements (80% of FC) was statistically the most effective treatment in this study. Hence, this means a water savings of 20% can be achieved without significantly compromising the yield. Full article
(This article belongs to the Special Issue Agricultural Water Stress and Deficit Irrigation)
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