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1998年是多雨年份。多雨果树极易发生腐病及水涝烂根等根部病害。 果树根部发生病害的主要原因是: 1.因土壤环境不适宜,如土壤积水,地下水位高。
1998 is a rainy year. Rainy trees prone to rot and waterlogging rot roots and other root diseases. The root causes of fruit tree diseases are the main reasons: 1. Because the soil environment is not suitable, such as soil water, groundwater level is high.