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为探讨当地主要土壤类型施用硼钼肥拌种的最适用量,为大面积推广硼钼肥拌种提供依据,于1982、1983两年,在本所及胶县、即墨9个点进行小区、盆栽和2400亩的大面积试验示范。供试品
In order to explore the most suitable soil for the application of boron and molybdenum fertilizers in the local area, this study provided the basis for popularizing boron and molybdenum fertilizers in large area. In 1982 and 1983, Bonsai and 2400 acres of large-scale pilot demonstration. testing sample