Numerical Type 1 and 2 - Water Requirement of Crops - Water Resource Engineering 1

TL;DR

Calculating average and peak discharge for wheat and rice crops, determining duty of irrigation water on field, and head of water course discharge and duty.

Transcript

hello everyone in this video we are going to discuss the two numericals which are based upon the theory part that we have earlier discussed so let's start the first numerical it says that for the data which is given in the table and taking the core depth and the core period for the weed as 13.5 centimeters and the four weeks respectively and for th... Read More

Key Insights

• 💦 Discrepancies in water requirements for wheat and rice crops emphasize the need for precise irrigation planning.
• 🙊 Calculating average and peak discharge ensures adequate supply during different growth stages for optimal crop yield.
• 🤽 Effective rainfall and core period play pivotal roles in determining net water demand and peak discharge requirements.
• 💦 Duty calculations for irrigation water help in efficient water management and allocation for crop cultivation.
• 🙊 designing irrigation facilities based on peak discharge ensures seamless water supply during core growth periods.
• 💦 Measuring discharge at the head of the water course accounts for losses and ensures prescribed water delivery to fields.
• 💦 Balancing water supplies considering losses and actual delivery helps in optimizing irrigation efficiency for increased agricultural productivity.

Questions & Answers

Q: How is average discharge calculated for wheat and rice crops?

Average discharge is calculated by dividing the area under the crop by the average duty value, following the defined formula for discharge calculation.

Q: Why is peak discharge crucial in irrigation planning?

Peak discharge helps in designing irrigation facilities to meet maximum water demand during core periods for efficient crop growth and development.

Q: How do effective rainfall and core depth impact water requirements?

Effective rainfall deducted from total water requirements determines net water needed, while core depth influences peak discharge calculations for optimal irrigation planning.

Q: What factors determine duty of irrigation water on the field?

Duty is influenced by base period, effective depth, and area of the field, providing a measure of water required per unit area for crop cultivation.

Summary & Key Takeaways

• Calculate average and peak discharge for wheat and rice crops based on provided data tables.

• Determine duty of irrigation water on the field and at the head of the water course.

• Take into account effective rainfall, crop period, and core depth in calculations for water irrigation.