Deep tillage refers to ploughing the field before sowing and transplanting, turning up the deep soil and covering the shallow soil.
Education is a kind of inheritance and promotion of human morality, science, technology, knowledge reserve and spiritual realm, and it is also the transmission of human civilization.
Broadly speaking, all activities that enhance people's knowledge and skills and affect people's ideology and morality are education.
Education in a narrow sense mainly refers to school education, which means that educators exert purposeful, planned and organized influence on the body and mind of the educated according to the requirements of a certain society (or class) and cultivate them into people needed by a certain society (or class).