Dynamics of Pig Slurry Nitrogen in Soil and Plant as Determined with 15N
作者： Martin H. Chantigny , Denis A. Angers , Thierry Morvan , Candido Pomar
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摘要: The fate of pig (Sus scrofa) slurry labeled with 15N was investigated when applied on a clay soil (fine, mixed, frigid, Typic Humaquept) and a sandy loam (loamy, mixed, frigid, Typic Dystrochrept) cropped to maize (Zea mays L.) in 2000 and to barley (Hordeum vulgare L.) in 2001. The slurry was applied in spring 2000, and plant and soil samples were collected at 6 h (Day 1) and at Days 14, 42, 96, and 413 after application. The samples were analyzed for 15N content in plant, in whole soil, and in soil NH4+–N, NO3−–N, organic N, and clay‐fixed …
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