Introduction to Irrigation

What percentage of the world’s fresh water withdrawals are used for irrigation?

• A. 75 percent

• B. 40 percent

• C. 60 percent

• D. 90 percent

Which of the following does NOT influence evapotranspiration?

• A. Temperature

• B. Stage of root growth

• C. Humidity

• D. Wind

Tags

NGSS.MS-ESS2-4

What is the efficiency percentage of flood or furrow irrigation?

• A. 50 percent

• B. 40 percent

• C. 98 percent

• D. 10 percent

What percentage of water loss does an irrigation device which is only one to two

feet from the ground have?

• A. 40 percent

• B. 98 percent

• C. 50 percent

• D. 10 percent

Tags

NGSS.MS-ESS2-4

Which of the following is NOT a common type of irrigation?

• A. Bucket

• B. Surface

• C. Seepage

• D. Drip

Which of the following is an example of sprinkler irrigation?

• A. Pail or bucket

• B. Center pivot

• C. Drip

• D. Condensation

Which of the following is NOT a plant or soil condition which indicates a need for

irrigation?

• A. Location of soil moisture

• B. Type of soil

• C. Evapo-transpiration

• D. Plant height

Tags

NGSS.MS-LS2-1

What is the term for water held in the soil between field capacity and permanent

wilting point?

• A. Water Tables

• B. Condensation

• C. Available water

• D. Rainwater harvesting

Tags

NGSS.MS-ESS2-4

What are the two types of root systems called?

• A. Contained or spreading

• B. Fixed or localized

• C. Long or short

• D. Shallow or deep

Which of the following is NOT a control technology function discussed in this presentation?

• A. Start and stop equipment

• B. Speed up and slow down equipment

• C. Control chemigation and fertigation applications

• D. Provide current weather conditions