Hello student ,
It should be depend upon your interest in study . As both of them has good career in future .
In study of agriculture you will get to know about plants, insects, fertilizer, seed , farm machineries and equipments, soil and water engineering , food processing and technology .
Whereas polytechnic is a diploma course in various subjects .The course comprises vocational education in the specialized streams of science, technology, engineering or any other technical subject.
So you should choose your career according to your interest .
Hope this will help you !
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