ARP (Apple replant problem, ARP) , which is also known as the continuous cropping obstacles of apple, influences the cultivation of replanted fruit trees. It occurs in all major apple planting regions throughout the world. Generally, it is believed that both biotic and abiotic factors act together to cause ARP, and that the biotic factors are recognized as the main cause of continuous cropping obstacles. This study aims to examine the responses of Malus hupehensis Rehd. and edaphon to dazomet, which was used to alleviate ARP, and to develop an effective method to prevent and cure ARP. The study was carried out in 2012 at the

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Effects of anaerobic and aerobic fermentation of organic materials on continuous cropping soil environment and Malus hupehensis seedling biomass.