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含锌锰硼海藻酸体系Ca(NO3)2-Mg(NO3)2-H2O相图绘制及其在水溶肥料制备中的应用
Phase diagram of Ca(NO3)2-Mg(NO3)2-H2O system containing zinc, manganese, boron and alginate and its application in the preparation of water-soluble fertilizer
【摘要】 采用等温溶解平衡法研究定量海藻酸、Zn(NO3)2、Mn(NO3)2、H3BO3体系中Ca(NO3)2-Mg(NO3)2-H2O的相平衡关系,绘制0℃、10℃、20℃下的水盐体系相图,并根据相图制备了多种配方的液体水溶肥料产品。浸种实验表明,Ca、Mg、Zn、Mn、B、海藻酸质量浓度分别为71.00、36.20、16.15、8.09、2.02、0.106 1 g/L的配方水溶肥料400倍稀释液浸种效果最好。
【Abstract】 Isothermal dissolution equilibrium method is used to study the phase equilibrium relationship of Ca(NO3)2-Mg(NO3)2-H2O in alginate,Zn(NO3)2,Mn(NO3)2and H3BO3systems.The phase diagrams of the water-salt system at 0℃,10℃and 20℃are drawn.According to the phase diagrams,various formulations of liquid water-soluble fertilizer products are prepared.The immersion seed experiments show that 400 times dilution solution of water-soluble fertilizer which the concentrations of Ca,Mg,Zn,Mn,B and alginate are 71.00,36.20,16.15,8.09,2.02 and 0.106 1 g/L has the best effect.
【Key words】 water-soluble fertilizer; phase diagram; alginate; immersion seed; wheat;
- 【文献出处】 磷肥与复肥 ,Phosphate & Compound Fertilizer , 编辑部邮箱 ,2023年01期
- 【分类号】TQ440.6
- 【下载频次】11