This self-paced learning module explores the essential role of ridges and furrows within the Integrated Aqua-Vegeculture System (iAVs). Through guided reading from the iAVs Handbook and interactive quizzes, participants will gain practical knowledge of their design, function, and benefits.
Key topics include:
- Purpose and Function of Ridges and Furrows
- How furrows direct nutrient-rich water to plant roots.
- The role of furrows in improving water distribution and nutrient delivery.
- How ridges prevent waterlogging, enhance aeration, and reduce risks of root rot.
- The nutrient gradient in the sand bed, with higher concentrations near furrows.
- How furrows achieve targeted irrigation and maximize nutrient uptake.
- The impact of ridges on air circulation and irrigation efficiency.
- Recommended dimensions for furrows, including depth, width, and layout.
- How to adapt furrow and ridge design for different crops and spacing needs.
- The importance of maintaining correct furrow depth relative to the flood level.
- The “edge effect” created by ridges and furrows, promoting diverse conditions for plants and microbes.
- How ridges and furrows facilitate root interaction, microbial activity, and environmental stability.
- The micro-environments introduced by varied topography and their impact on plant growth.
- How to create furrows with a level top sand surface.
- How to ensure ridges remain above the flood line to maintain system integrity.
- How ridges provide stability for plants and better resource allocation for growth.
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