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The term crop circle can be used in terms of farm and in unusual ground making pattern

in term of farm growing different crops one after the another in the same field is known as crop circle.
doing crop circle farmer can increase in the productivity of the land and can maintain the balance between
the important nutrients of the land. if farmer growing same crop it will use in same nutrient again and again
land nutrient reduce day and day. this will effect land fertility and crop also.
to increase crop productivity we have to grow crops in circle i.e one crop after a fixed interval of time
for example wheat for six month and then rice after six months and in between field should we leave empty
for some time and allow soil and pests to grow so then help to increase productivity.
with this we can also fertilizers like mixture of urea and potassium. it is a older but effective technique for increases
fertility basically used by our ansesters .

Drawing pattern of different shapes and colour in the field is know as crop circle ground making pattern.
it can we used for information sharing ,for design etc. this technique is developed by mit students.
it consume lot of the time to draw but looks beautiful after some crop circles have become the subject of various paranormal and fringe beliefs, ranging from the hypothesis that they are created by freak meteorological phenomena to the belief that they represent messages from extraterrestrials..