Characterization of phosphorus in animal manures collected from three (dairy, swine, and broiler) farms in China.
Characterization of phosphorus in animal manures collected from three (dairy, swine, and broiler) farms in China.
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中国三个（奶牛场、猪场和肉鸡场）动物粪便中磷的特征
DOI：
10.1371/journal.pone.0102698
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发表时间：
2014
期刊：
影响因子：
3.7
通讯作者：
Zhang F
中科院分区：
文献类型：
--
作者：
Li G;Li H;Leffelaar PA;Shen J;Zhang F
为了确定磷的种类和浓度在动物粪便中，我们比较其特征在于磷在牛粪，猪粪，肉鸡垫料，使用顺序程序，简化的两步程序（NaHCO 3/NaOH+EDTA），和溶液磷-31核磁共振（31 P-NMR）光谱程序。在顺序的程序中，去离子水提取39，22，和32%; NaHCO 3提取48，26，和37%; NaOH提取8，9，和13.8%;和HCl提取3，42.8，和17%的牛粪，猪粪和肉鸡垫料中的总磷，分别。通过NaHCO 3/NaOH+EDTA程序提取的牛粪、猪粪和肉鸡垫料中的总磷分别为7.5、32.4和15.8 g P kg−1。溶液~（31）P-NMR方法检测到牛粪、猪粪和肉鸡垫料中植酸分别占总磷的9%、34%和29%。这些结果表明，不同畜禽粪便中磷的形态、有效性和数量存在差异，为我国畜禽粪便磷的表征提供了有价值的信息。
In order to identify the phosphorus species and concentration in animal manure, we comparatively characterized phosphorus in dairy manure, swine manure, and broiler litter, using a sequential procedure, a simplified two-step procedure (NaHCO3/NaOH+EDTA), and a solution Phosphorus-31 Nuclear Magnetic Resonance (31P-NMR) spectroscopy procedure. In the sequential procedure, deionized water extracted 39, 22, and 32%; NaHCO3 extracted 48, 26, and 37%; NaOH extracted 8, 9, and 13.8%; and HCl extracted 3, 42.8, and 17% of the total phosphorus in dairy manure, swine manure and broiler litter, respectively. Total phosphorus extracted by the NaHCO3/NaOH+EDTA procedure was 7.5, 32.4, and 15.8 g P kg−1 for dairy manure, swine manure, and broiler litter, respectively. The solution 31P-NMR procedure detected that 9, 34, and 29% of total phosphorus was phytic acid in dairy manure, swine manure, and broiler litter, respectively. These results show that phosphorus forms, availability, and quantities differ between animal manures, which provides valuable information for P characterization of animal manures in China.
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