The newly planted trees are always wrapped with hemp rope at their roots, which is only a superficial phenomenon. In fact, there is a clay ball wrapped on the hemp rope.

A soil ball is a soil ball dug up when transplanting trees, that is, the clods left after the roots are intertwined are not knocked out, and then some roots are cut off. Generally, the mud roots are trimmed into balls, so they are called soil balls. In order to prevent the clods on the soil balls from falling off, they are usually wrapped with hemp rope.

The function of the soil ball is to fix the root system, and the soil ball carries water to ensure that the root system absorbs water and inorganic salts and improve the survival rate of seedlings. ?