At present, as the economy development of Jiangsu province and the need for fresh increase, the facility strawberry developed rapidly. And the restrict of arable land the facility removal cost, strawberry continuous cropping obstacle inevitably. The continuous cropping obstacle such as soil acidification, cumulative of pathogenic bacteria, decline of resistannce restricted the sustainable development of strawberry industry. It influenced the yield, quality food and safety of strawberry. It was the most urge...