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上海淀山湖至宝山一带,在太湖洼地的东北缘,地势平坦,海拔2～4.5米。根据水稻土分类及《上海市郊土壤图》,该地区长约70公里。从进水口经油脂厂至油墩港以青紫泥为主,混有黄泥土,取样于青紫泥土为第一段;油墩港至马陆以黄泥土为主,青紫泥土次之,取样于黄泥土为第二段;刘行经杨行至月狮路以夹沙土为主,沙土次之,取样于夹沙土为第三段。按不同的土壤类型、剖面层次、肥力水平,共采集30余个样本,进行了土壤微生物及微生物酶活性等分析。分析方法分离氨化细菌用牛肉膏、蛋白胨培养基,
Shanghai Dianshan Lake to Baoshan area, in the Taihu Lake depression northeast edge, flat, elevation 2 ~ 4.5 meters. According to paddy soil classification and “Shanghai suburban soil map”, the area is about 70 km long. From the inlet through the oil plant to Yidun Port, mainly with purple purplish red mud mixed with blue soil sampling for the first paragraph; oil pier port to Malu to yellow soil, followed by blue purple soil sampling in the yellow soil For the second paragraph; Liu Xing through to Yangshi Road, Yang Road, sand-based, followed by sand, sand samples in the sand for the third paragraph. According to different types of soil, section level and fertility level, a total of more than 30 samples were collected for soil microbial and microbial enzyme activity analysis. Analytical Methods Ammoniacal bacteria were isolated using beef extract, peptone medium,