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风之子89

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[求助] 急求,文献求助,

1 Bowman RA, Cole CV. An exploratory method for fractionation of organic phosphorus from grassland soils. Soil Science, 125: 95- 101, 1978
2 Lyons JB, Gorres JH, Amador JA. Spatial and temporal variability of phosphorus retention in a riparian forest soil. J Environ. Qual. 27 :895~903, 1998
3 Sharpley AN, Tunney H. The transport of bioavailable phosphorus in agricultural runoff. J Envi ron Qual. 21 : 30 – 35, 1992
4 Pote D H et al. Relating extractable soil phosphorus to phosphorus losses in runoff. Soi l Sci Soc A m J, 60 :855 - 859. 1996
求助上面文献,本人是新手,金币不多,不好意思,望大虾帮助……
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