water use efficiency through on-farm water management techniques
TRANSCRIPT
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Water Use Efficiency through On-Farm Water Management
Techniques
ADAPTIVE RESPONSES TO CLIMATE CHANGE
Winston Shaw, Manager On-Farm Water Management Unit, NIC
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National Irrigation Commission Ltd.
• The National Irrigation Commission (NIC) facilitates agricultural productivity in irrigated areas through the provision of reliable, efficient and affordable irrigation
• The chief role of the NIC is to provide irrigation services to the agricultural sector
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On-Farm Water Management Unit
• Improve on-farm water management and water use efficiency through:
– Training both farmers and technical officers in water management and irrigation techniques
– The development of small scale irrigation schemes & rain water harvest systems with partnering agencies e.g. FAO, EU, UNDP, USAID
– Establish relevant farm demonstration plots
– Provides guidance on best practices in irrigation
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Water Management Techniques
• Method of Water Application
• On-Farm Irrigation System Design
• Management of Soil Moisture
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Water Application in Non Irrigated Areas
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Water Application in Irrigated Areas
• Three Main Methods:
– Furrow/Surface
– Sprinkler
– Drip
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Furrow Irrigation
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Sprinkler Irrigation
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Drip Irrigation
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Low Application Rate
1- 4 L/H emitters flow. Flexible spacing .
Application rate to meet:
Plant requirement.
Soil infiltration.
Cost effective design.
Simplicity.
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Water Demand
• There is an increasing demand Island wide on water for irrigation needs
• Consequently, there is a greater focus on water
conservation, not just in times of drought, but:
– in anticipation of future population growth, and
– Increased agricultural activities e.g. Agroparks &
MOAF Initiative “Grow What we Eat…”
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Trickle Application System
• The most efficient and economical method of water application to crops
BENEFITS
Highly efficient water use
Integration of fertilizer application
Durable, long life dripline
Easy installation, operation & maintenance
Uniform distribution of water
Lower pressure & energy needed
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Monitoring and Managing Soil Moisture
• Important in Water Management
• Irrigate based on information from the soil
• Prevents over irrigating
• Prevents water logging
• Minimize water loss
• Cost effective
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Tensiometer
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Tensiometer
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Rainwater Harvesting in Agriculture
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Rain Water Harvest Projects
• 11 Pilots sites were installed in South St. Elizabeth through funding and technical support from FAO
• 500,000 gallon storage and 5 x 0.25acre demonstration plots in St. Elizabeth – UNDP/GEF
• 6 RWH reservoirs in North Clarendon • 15 RWH reservoirs and small scale irrigation schemes
in 7 parishes funded by GOJ Adaptation (ongoing) • System featured:
– Catchment and storage – Solar powered pump – Gravity drip irrigation system
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NIC/FAO RWH Project
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Gravity Drip System
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Way Forward
• Government/State Support • Develop and Implement Strategies in Water Use
Efficiency • Capacity Building in Water Management and
Climate Smart Techniques among farmers and technical officers
• Public Education • Adapt and Implement Current Technology • Continue Collaborative Work with International
and Local Partners
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Demonstration Plot