花垣县
- 网络huayuan county;Huayuan Comt;Huayuan Condado;Huayuan Grafschaft
花垣县-
花垣县矿产资源开发利用战略探讨
Strategy Study of development and utilization of minerals source in the Huayuan County
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花垣县渔塘铅锌矿区铅锌主要来源的探讨
An inquiry on the primary origin of lead and zinc in Yutang lead & zinc ore deposits of Huayuan County
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因此，对花垣县的耕地要大量加强钾肥、磷肥的施入；要增加土层厚度；要改善土壤质地；加强排灌设施建设。
Therefore , the Huayuan County has to substantially improve potash , heavily apply phosphate fertilizer , increase the layer thickness , improve the soil texture and strengthen the irrigation and drainage facilities as .