For cultivation techniques, early - sowing in optimum time, rational planting, scientific fertilizing, strong field management was needed.

栽培技术上要求适时早播 、 适当密植 、 科学施肥和加强田间管理.

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Potato growers, however, rely on early sowing to escape the disease because of high cost.

可是, 农民因为应用杀菌剂昂贵,仅依靠早播躲避病害.

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