这份调查报告，用辩证唯物主义的观点，分析了腐烂病的发生与肥、水、树势、产量和树叶保护情况的密切关系．所揭示的规律在全省各老果区具有普遍性。把此文与本刊一九七一年第二期刊登的寿光县园艺场《运用毛主席哲学思想，治好苹果腐烂病》结合一读，对于研究解决苹果腐烂病问题，将有一个明确方向。 The survey report, with dialectical materialism, analyzes the close relationship between the occurrence of rot disease and the status of fertilizer, water, tree vigor, yield and foliage conservation. The rules revealed in the province of the old fruit area is universal. This article with the publication of the second issue of 1970, Shouguang County Horticultural Field, “the use of Chairman Mao’s philosophy to cure apple rot disease” combined with a read, for the study and solve apple rot disease, there will be a clear direction .