You can't. Mathematics, agriculture and mathematics belong to different majors, and the adjustment is generally carried out between different directions of the same major. Mathematical agriculture refers to the combination of mathematics and agriculture, which mainly studies the application of mathematics in the agricultural field. Mathematics III refers to a direction of mathematics specialty, which mainly studies the theories and methods of pure mathematics. Due to the great differences in curriculum and research direction between the two majors, transfer is generally not allowed.

In addition, the adjustment also needs to consider professional learning ability and adaptability. Because of the differences in curriculum content and academic requirements between Mathematics Agriculture and Mathematics III, if students show good learning ability and adaptability in one major, they may face greater difficulties after transferring to another major. Therefore, schools generally decide whether to agree to transfer according to students' learning situation and professional needs.

If students are interested in Math III, they can consider choosing Math III as their major, or take an active part in Math III-related courses and activities while studying math agriculture to improve their knowledge and ability in this field.

In short, the adjustment needs to be decided according to the regulations of the school and the professional needs, and students should choose reasonably according to their own interests and actual conditions.