Abstract: tSeaweed fertilizer, as a kind of new bio-organic fertilizer, is made of natural seaweed, which is rich in nutrients and varieties of growth-promoting factors. It can obviously promote plant growth, increase fruit yield, improve fruit quality, resist to environmental stresses, prevent pest and disease damage, etc., furthermore, it can also play a critical role in the improvement and repair of degraded soil. This paper summarizes recent advances in the analysis of the effects of seaweed fertilizer on the degraded soil and aims to serve. 

Key words: seaweed fertilizer, degraded soil in apple orchard, soil remediation