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畜禽粪中有效磷提取方法的研究 被引量:1

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摘要 比较了不同提取条件下用去离子水和0.5 mol·L^-1NaHCO3提取的磷量,提出了适合畜禽粪中水溶性磷和植物有效态磷的提取方法。水溶性磷用去离子水提取,适宜的粪液比为1∶250,提取时间为2 h。植物有效态磷用0.5 mol.L NaHCO3-1提取,适宜的粪液比为1∶200,提取时间为1 h。用提出的方法检测了10个猪粪和10个鸡粪样中的水溶性磷和植物有效态磷,结果表明,重复之间水溶性磷提取量的变异系数在1.83%~4.03%,平均为3.36%;重复之间植物有效态磷提取量的变异系数在0.98%~3.16%,平均为2.24%,结果有较好的重现性。
作者 戴婷 章明奎
出处 《浙江农业科学》 2009年第4期824-826,838,共4页 Journal of Zhejiang Agricultural Sciences
基金 浙江省自然科学基金(No.R306011) 国家科技支撑计划项目项目(2008BADA7B06)
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参考文献8

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共引文献43

同被引文献14

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