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通过全县范围内的土壤详查和有关专题调查,查明了在当前耕作条件下的土壤肥力现状和存在问题。本文仅就双三制条件下普遍存在的几个有关土壤肥料的问题进行讨论。
Through detailed investigation of the soil within the county and relevant special investigations, the status and existing problems of soil fertility under the current farming conditions were identified. This article discusses only a few issues that are common to soil-based fertilizers under the double-three system.