Potential of Soil Conditioners to Mitigate Deficit Irrigation Impacts on Agricultural Crops: A Review
Ahmed Abdelfattah (ah.omar@fagr.bu.edu.eg) and
Harby Mostafa (harby.mostafa@fagr.bu.edu.eg)
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Ahmed Abdelfattah: Benha University
Harby Mostafa: Benha University
Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2024, vol. 38, issue 8, No 16, 2976 pages
Abstract:
Abstract In light of the current water scarcity, one strategy for reducing water consumption in irrigated agriculture is to reduce the amount of irrigation water compared to full crop irrigation or in other words deficit irrigation. Deficit irrigation management may be a critical issue due to climate change. Incorporation of different soil conditioners can improve soil hydro-physical properties and mitigate negative effects in water-stressed conditions. Recent review articles either addressed specific crop behavior under water deficit or covered a single type of soil conditioners. This manuscript represents an inclusive review providing insight into deficit irrigation methods incorporated with different soil conditioners. Crop response to deficit irrigation is discussed in the light of some mathematical models. Three main types of soil conditioners are covered: bentonite, biochar, and super-absorbent polymers. Mechanisms associated with effects of each conditioner to enhance soil water retention is highlighted as well. Previous study findings were discussed comparatively and future prospective, recommendations and challenges were addressed.
Keywords: Water use efficiency; Deficit irrigation; Partial root zone drying; Soil conditioners; Biochar; Hydrogel; Bentonite (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s11269-024-03800-4
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