Hello,
Agriculture and radiology both are different course dear. If you are interested in botany then go for agriculture. It's mainly the cultivation livestock and plants. And radiology is paramedical course. If you interested in medicine career then go for it. It's mainly the diagnosis skills course.
But what do you want to know from this question it's not clear. If you want to know about the courses then I tell you in above portion of answer. But if you want to know how to go from agriculture to radiology then I'll tell you it's possible or not. It's possible,but you want to do any diploma course in radiology. After completing your agriculture subject then you can do diploma in radiology and get a job in diagnosis clinic or hospital as a radiologist.
All the best.
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