JEQ Journal of Natural Resources and Life Sciences Education
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Fig. 1. Relationship between water to manure ratio (W; cm3 g–1) and manure water-extractable phosphorus (WEP), as expressed relative to WEP extracted at a W of 250:1. Data are from Haggard (unpublished data, 2005), Kleinman et al. (2002), and our current study. The symbol *** designates significance at the 0.001 probability level.





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