Effects of Liquid Aluminum Chloride Amendments to Rice Hulls on pH and Soluble Reactive Phosphorus Contents

액상 염화알루미늄을 왕겨에 첨가시 pH와 수용성 인 함량에 미치는 영향

  • Choi, In-Hag (Ginseng & Organic Co., Ltd) ;
  • Yi, Seong-Joon (Department of Anatomy College of Veterinary Medicine, Kyungpook National University) ;
  • Choi, Jung-Hoon (Department of Chemistry, Hanyang University)
  • Published : 2009.05.31


The goals of this study were conducted to investigate the effects of applying liquid aluminum chloride ($AlCl_3$) to rice hulls on pH and soluble reactive P (SRP). A total of 800 broiler chicks (4 treatments $\times$ 4 replicates $\times$ 50 birds) were housed into 16 floor pens in a single house for 5 weeks. The treatments were divided into 4 groups: control, 100 g of liquid $AlCl_3/kg$ of rice hulls, 200 g of liquid $AlCl_3/kg$ of rice hulls, and 300 g of liquid $AlCl_3/kg$ of rice hulls. Liquid $AlCl_3$ was sprayed on the rice hulls surface at a rate of 100 g, 200 g, and 300 g liquid $AlCl_3$ per kg rice hull. pH values and SRP contents were significantly decreased (P<0.05) with the increased liquid $AlCl_3$ levels in comparison with control. However, no significant differences in SRP contents were observed among all treatments at 3 and 4 weeks. Applying 100 g, 200 g, and 300 g liquid $AlCl_3$ to rice hulls reduced SRP contents by 18, 25, and 52% for 5 weeks, respectively, compared with the controls. In conclusion, these results suggest that using liquid $AlCl_3$ on rice hulls should be promising for reducing water contamination and resulted in a reduction in SRP contents, which reduced pH.


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