Irrigation It is unknown who first irrigated his crops with water brought specially from a nearby river,but archeological evidence suggests that,where ever farming began to take place,irrigation soon followed.There is evidence of irrigation from around 6000 B.C.E in summer in Mesopotamia, and also on ancient Egyptian farms near the Nile. Some 2000 years later,irrigation occurred in Geokysur in South Russia,and in the Zana valley in the Andes Mountains of Peru. By 3000 B.C.E the same techniques were used by the Indus valley civilization in what is now Pakistan. When,at around 6000 B.C.E, the first farmers in Mesopotamia planted their crops of barley,wheat and other plants near the Tigris or Euphrates rivers,they relied on rain,the occasional flood,and the ability of the soil to hold water to ensure that their crops grew from seed to harvest. Water could be carried in buckets from the river,but if the rain stopped and there was a lengthy drought,the crops w
Best options after B.Tech⇒ 1.Job Opportunities⇒ There are plenty of jobs for B.Tech holders they are⇒ 1.Government Sector ⇒ It is one of the promising carrier. There are many no of exams after B.Tech ,We can clear the civil service exams as well as bank exams. and if teaching is your passion you can also be a teacher in different government engineering collages. You can also be a scientist after the completion of your B.Tech course , if you are interested in finding new type of sciences. 2.Private Companies⇒ In the private companies there are two type of sectors they are: A. Product Based Companies= These are the companies who make the products by their own. For Example= Google, Microsoft, Facebook Etc. and these companies choose the people only from the Top Engineering c