Increased development of cropland, A surplus of food & a rise of the city-states.
Irrigation canals do not expand from land. They expand from water into the land.
the irrigation canals flooded into he crops and then watered them to much and they all died
Chinese Yu the Great introduced a system of irrigation canals
The use of canals to bring water to crop fields is called 'irrigation' or 'irrigating'.
irrigation systems are canals that are dug from the nile to the crops to water the crops hope this helps.
canals
Irrigation for farming.
The Egyptians made special canals called irrigation canals. They were used to carry water from place to place.
Irrigation that is used to cover a large area that needs water quickly. Use is by canals or large pipelines that lead into the area(s) to be irrigated. The flood a plain and plants use that to drink.
- 45 main canals - About 120, 000 tertiary channels.
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Irrigation canals expanded farmland because they haelped farmers bring water to areas of farmland that were not close to rivers or lakes. Irrigation canals were set up so that water would flow to vegetation and crops that were farther from the rivers or lakes.