This paper summarizes the ways of agricultural utilization of municipal sludge, such as using in farmland, holt, making complex fertilizer and remediation of degenerative land.
文章综述了污泥农用资源化的几种方式，如农田施用、林地施用、制复合肥、修复退化土地等。
Because the climate gets warmer, the environment of agricultural production is improved, the way of cultivation is changed and the utilization ratio of land is raised.
隋唐时期气候转暖，改善了农业生产的外部环境，引起了种植方式的变化，提高了土地利用率。
Pipe drainage system has big control of excluding agricultural groundwater and soil moisture and raise the utilization of land area.
暗管排水可以很好的控制排除农田地下水和土壤含水量，提高土地利用率。
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