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1 测土施肥辽宁省农资公司2 化肥二次加工复混肥的方法及肥效试验北京市农资公司3 农药速测箱天津市农资公司4 柑桔专用肥研制与肥效试验湖北省农资公司5 氯化铵在棉花生产上应用效果的研究湖北省农资公司6 化肥有效低浓度湖北省公安县农资公司
1 Soil Testing and Fertilization Liaoning Provincial Agricultural Company 2 Method of Fertilizer Secondary Fertilizer Secondary Fertilizer Treatment and Fertilizer Efficiency Test Beijing Agricultural Material Company 3 Pesticide Speed Measurement Box Tianjin Agricultural Resources Company 4 Citrus Special Fertilizer Development and Fertility Test Hubei Agricultural Resources Company 5 Application of Ammonium Chloride in Cotton Production Research Hubei Provincial Agricultural Company 6 Effective Low Concentration of Chemical Fertilizer Hubei Gongju County Agricultural Material Company