3 14 is the code, and agricultural engineering is the second test of mathematics, so it is convenient to enter the exam. The specific test is:

Advanced Mathematics, 5th Edition, Volume I and Volume II, Tongji University Teaching and Research Office Higher Education Press 1993.

Linear Algebra, the textbook of national agricultural colleges and universities, China Agricultural Publishing House.

Probability theory and mathematical statistics higher education press

I hope I can help you.