Phosphorus forms leached in a sandy Typic Hapludalf soil under no-tillage with successive pig slurry applications

Tadeu L. Tiecher,Cledimar R. Lourenzi,Eduardo Girotto,Tales Tiecher,Lessandro De Conti,Anderson C.R. Marques, Lincon O.S. Silva,Carina Marchezan,Gustavo Brunetto,Carlos A. Ceretta

Agricultural Water Management（2020）

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摘要

•High and frequent pig slurry application increase leaching of P.•P was transferred via leaching mainly in the particulate form.•On average, P loss by leaching was 0.2 kg ha-1 year-1 or 0.07% of total P applied.•P concentrations in the leached solution exceeded the environment critical limit.

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关键词

Leaching loss,Soluble P,Available P,Particulate P,Environmental contamination

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