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  • 标题:Soil Test Phosphorus Recovery from Livestock Manures Compared with Inorganic Fertilizer in Soil Incubations
  • 本地全文:下载
  • 作者:J. Craig Miller ; T. Astatkie ; Ali Madani
  • 期刊名称:Applied and Environmental Soil Science
  • 印刷版ISSN:1687-7667
  • 电子版ISSN:1687-7675
  • 出版年度:2010
  • 卷号:2010
  • DOI:10.1155/2010/425613
  • 出版社:Hindawi Publishing Corporation
  • 摘要:This paper compared dairy and hen manure P recovery relative to fertilizer P recovery for two Nova Scotia soils with different antecedent soil test P (STP), incubated for 5, 15, 30, 60, and 110 days. Fertilizer equivalence of manure P was expressed as P recovery ratio in percentage points (%PRR). Repeated measures analysis with soil pH covariate revealed: (1) manure %PRR averaged 72% (low-STP soil) and 80% (medium-STP soil), (2) there were no significant differences in %PRR between dairy and hen manure, and (3) manure %PRR decreased with incubation time for the low-STP soil but not for the medium-STP soil. The soil pH covariate was significant for both low- and medium-STP soils, and the relationship with %PRR was positive for low- but not for the medium-STP soil.
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