Book of Extended summaries ISDA

International Conference on Reimagining Rainfed Agro-ecosystems: Challenges &
Opportunities during 22-24, December 2022 at ICAR-CRIDA, Hyderabad
Conclusion
The assessment revealed that the GMI approach had a significant impact in addressing issues
related to the sustainable use and equitable sharing of water resources, and the barriers to
adopting both micro-irrigation and climate-resilient farming practices. At the field level, a rise
in cropping intensity with diversified crops of high economic value and increased yield and
water productivity resulted from this approach's effectiveness. Also, it enabled an attitude of
cooperation rather than competition, helped strengthen interpersonal relationships through
constant and effective coordination, and lowered individual investment. Additionally, it
provided easy access to subsidies and water-efficient technologies like micro-irrigation
systems for those who otherwise could not afford them within the group. It perpetuated risktaking
abilities to indulge in experimenting with varied and advanced agricultural techniques
and technology and provided sufficient bargaining power for their outputs.
References
Shahid, S., Alamgir, M., Wang, X. J., & Eslamian, S. (2017). Climate change impacts on and
adaptation to groundwater. In Handbook of Drought and Water Scarcity, pp. 107-124, CRC
Press.
Soil Preferential Flow: A Case Study from Semi-arid Watershed
Pushpanjali, K.S. Reddy, K. Sammi Reddy and Vinod Kumar Singh
ICAR-Central Research Institute for Dryland Agriculture, Hyderabad- 500 059, India
T1-08R-1149
Semi-arid ecosystems are important ecological and economic hotspots that comprise over 40%
(6B ha) of the world’s total land surface. In general, a semi-arid landscape is characterized by
shallow soils and large proportions of bare rock, both expected to influence infiltration and
groundwater recharge processes considerably. The dynamic soil matrix generally precludes the
use of the traditional, deterministic modelling approach to predict flow and transport at the field
scale. Preferential flow is a generic term used for obvious flow paths like biopores, fractures
and macropores whereby water movement through a porous medium follows favoured routes
bypassing other parts of the medium (Luxmoore 1991). It was not until the late seventies that
increasing agricultural and environmental concerns created a renewed interest in the subject
(Beven and Germann 2013). Since then, numerous studies have been undertaken to describe,
measure, and model preferential flow. Application of geographic information system (GIS) and
image analysis helps reduce field work and traversing and establish relationship between
landform and soil in the watershed and its sub-divisions.
A semi-arid landscape is characterized by shallow soils and large proportions of bare rock, both
expected to influence infiltration and groundwater recharge processes considerably. The dynamic
Resilience through land and water management interventions, water management and governance
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