Enhancing Crop Resilience through Water Management in the Deduru Oya LB Canal Irrigation System
Introduction
This paper focuses on the water management strategies implemented in the Deduru Oya LB Canal irrigation system with the aim of enhancing crop resilience. Specifically, it explores the methods employed to regulate water flow, allocate water resources between traditional and modern irrigation systems, and ensure sustainable water availability for paddy cultivation in the LB irrigation area.
Water Management Model and Resilience Assessment
The study highlights the significance of a developed water management model that utilizes the Hydrological Engineering Center-Hydrological Modeling System (HEC-HMS) and the CROPWAT model. This model plays a crucial role in evaluating the system's resilience and optimizing water allocation. By utilizing these tools, the study aims to provide insights into effective water management practices that can enhance the system's ability to withstand variability and shocks.
Integration of Ancient Irrigation Systems
An analysis of water resources from ancient irrigation systems is conducted, with a specific emphasis on the improvements achieved through the integration of the Deduru Oya reservoir. This analysis sheds light on the synergies between traditional and modern irrigation systems and their combined benefits in ensuring a sustainable water supply for paddy cultivation.
Simulation Results and Implications
The paper presents simulation results from a ten-year period, illustrating the system's performance in meeting the water demand for paddy cultivation without failure. These results not only demonstrate the effectiveness of the Deduru Oya LB Canal irrigation system but also provide valuable insights into enhancing crop resilience in the LB irrigation area. The implications of these findings underscore the importance of integrated water management strategies in achieving sustainable agriculture and food security.
Conclusion: Through a comprehensive examination of water management strategies, including water flow regulation, resource allocation, and integration of ancient systems, this paper highlights the potential for enhancing crop resilience in the Deduru Oya LB Canal irrigation system. By optimizing water availability and allocation, the system can contribute to sustainable agricultural practices, ensuring the livelihoods of farmers and the long-term productivity of the North-Western Province in Sri Lanka.
