It is a normal maintenance measure, as long as it conforms to the regulations and the law of plant growth.
Walnut, also known as walnut, belongs to Juglandaceae, and its varieties are divided into wild hickory and artificially grafted walnut. Originated in Central Asia, it is cultivated all over China. Generally, artificially improved varieties are selected because the improved varieties have higher yield and thinner shells than wild varieties, commonly known as pickled walnuts.