The most important invention of the Sumerian's was Irrigation. Irrigation is how the Sumerian's led their water through pipes, etc.
irrigation
They built a series of canals Most nile irrigation takes the form of "flood irrigation" rises (annually) in flood. they also used a counterbalanced device called a "shadouf" to rise water to irrigation trenches when thelevel of the river had dropped-again these are still in use in some rural areas around the river.
Irrigation first began in China in 500 B.C.
they were using irrigation.
Trickle Irrigation
methods of irrigation means the different methods by which u can perform agriculture(farming).
There are two methods. The first and most inefficient is distillation. The second is reverse osmosis.
what are the new methods agriculture in kerala?
There are several irrigation methods-Sprinkler irrigationDrip IrrigationIrrigation through tubewells and motors etc.
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Flooding
The ancient sumerians developed the very first methods of irrigation.
Irrigation generally refers to man made methods of getting water to given areas.
t are the difference between old and new irrigation method
i think its very good
improving irrigation methods