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班宜民，高级农艺师、高级配方师、河南省土肥先进工作者、中国土壤肥料协会会员、中国植物生理学会会员。
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班宜民，高级农艺师、高级配方师、河南省土肥先进工作者、中国土壤肥料协会会员、中国植物生理学会会员。
