Whether the agricultural postgraduate entrance examination needs to take mathematics depends on the school and major you apply for. Some agronomy majors, such as crop science, plant science, animal science, etc. Mathematics may be required, and some majors, such as agricultural economics, agricultural management, agricultural machinery, etc. , may not need to take the math test. Agronomy majors that need to take math exams usually involve some basic mathematical knowledge and skills, such as linear algebra, probability theory and statistics, calculus, numerical analysis and so on. These knowledge and skills are very important for studying agricultural production, forecasting agricultural trends and making agricultural decisions. Agronomy majors that do not need to take math exams usually involve some management and economic knowledge, such as agricultural enterprise management, agricultural marketing, agricultural policy analysis and so on. These knowledge and skills are very important for studying agricultural production and management activities, formulating agricultural policies and plans, and improving agricultural benefits and farmers' income.