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Understanding Irrigation Systems

This quiz tests your knowledge of irrigation systems, their history, methods, and advantages. Answer questions about the engineering behind these systems and their applications in agriculture and beyond.

#Irrigation #Agriculture #Water Management #Environmental Science #Sustainable Practices

1 Most of these irrigation systems still exist undamaged up to now, in ________ and Polonnaruwa, because of the advanced and precise engineering.

2 The smart controller determines current conditions by means of historic weather data for the local area, a soil moisture sensor (water potential or ________), weather station, or a combination of these.

3 It is a method of artificially raising the water table to allow the soil to be moistened from below the plants' ________ zone.

4 Here, a 'stairs' is made through the use of ground level differences which helps to decrease water ________ and also distributes the water to all patches (sort of irrigation).

5 Sub-irrigation is also used in commercial ________ production, usually for potted plants.

6 After the water source, the water usually travels through a ________.

7 The system was extensively restored and further extended during the reign of King ________ (1153–1186 CE).

8 Irrigation systems are also used for ________, disposal of sewage, and in mining.

9 Advantages are water and nutrient conservation, and labor-saving through lowered system maintenance and ________.

10 ________ has been used successfully on lawns, but it is more expensive than a more traditional sprinkler system.

💡 Interesting Facts

  • a decline of the population of brook trout in the Straight River in central Minnesota was caused by rising water temperatures, prompting government scrutiny of nearby irrigation operations.
  • the Dethridge wheel (pictured), invented in Australia in 1910, measures the flow of water delivered to farms for irrigation.
  • the East Ghor Main Canal diverts nearly all the annual flow of the Yarmouk River for irrigation in Jordan.
  • Mosida, Utah was a failed planned community whose developers tried to irrigate the desert with water pumped from Utah Lake.
  • Kukkarahalli lake adjoining the University of Mysore, was created in 1864 during Mummadi Krishnaraja Wodeyar's rule of the Kingdom of Mysore, to provide water for irrigation.
  • treated wastewater from Kern River Oil Field, the fifth-largest U.S. oil field, is used to irrigate crops in the San Joaquin Valley in California.
  • irrigation canals in the Treasure Valley and Magic Valley have dramatically transformed the Snake River Plain ecoregion in southern Idaho.
  • California's Owens River has been entirely diverted for irrigation and drinking water.
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