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据了解，天狼星矿业于今年1月份就向相关部门提交了申请，但出于各种审批的原因一直延迟到今年5月份仍未得到答复。审批延迟，让该公司一季度启动钾肥项目的计划落空。不过，约克公园管理处已经表态将在6月份给予最终答复。
北约克国家公园钾肥项目投资约为10亿美元，建设周期为3年，2018年一期500万吨钾肥投产，2020年扩产至1200万或1300万吨。天狼星表示，如果今年获批，他们将于年底前启动项目建设。
